首页 > 最新文献

International Journal of Sports Physical Therapy最新文献

英文 中文
Data-Driven Prognosis and Improved Outcomes Part 2: The Opportunity of Grading Risk. 数据驱动的预后和改进的结果 第 2 部分:风险分级的机遇。
IF 1.7 Q3 Medicine Pub Date : 2024-05-02 eCollection Date: 2024-01-01 DOI: 10.26603/001c.116860
Gray Cook
{"title":"Data-Driven Prognosis and Improved Outcomes Part 2: The Opportunity of Grading Risk.","authors":"Gray Cook","doi":"10.26603/001c.116860","DOIUrl":"https://doi.org/10.26603/001c.116860","url":null,"abstract":"","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":null,"pages":null},"PeriodicalIF":1.7,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11065766/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140862737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Associations Between Hip Pathology, Hip and Groin Pain, and Injuries in Hockey Athletes: A Clinical Commentary. 曲棍球运动员髋关节病变、髋关节和腹股沟疼痛与受伤之间的关系:临床评论
IF 1.6 Q3 SPORT SCIENCES Pub Date : 2024-05-02 eCollection Date: 2024-01-01 DOI: 10.26603/001c.116580
Matt Kelly, Josh Secomb

Femoroacetabular impingement (FAI), particularly cam morphology, is highly prevalent among elite hockey athletes. Moreover, hip and groin pain has become a common issue in hockey, with approximately 50% of European professional athletes reported to experience a hip or groin problem during a season. While most athletes will not miss training or competition due to this, restricted competitive performance and increased risk of reduced physical and psychological well-being are likely. Recent research suggests that the development of cam morphology is related to the repetitive shear stresses experienced at the hip joint during adolescence from skating. This condition likely increases the potential for intra-articular and extra-articular injuries in these athletes later in their careers. Research also indicates that the hip joint mechanics during forward skating substantially increase the possibility of sustaining a labral tear compared to other sports. Such an injury can increase femoral head movement within the joint, potentially causing secondary damage to the iliofemoral ligament, ligamentum teres and joint capsule. These injuries and the high density of nociceptors in the affected structures may explain the high prevalence of hip and groin pain in hockey athletes. Compensatory adaptations, such as reduced hip strength, stability, and range-of-motion (ROM) likely increase the opportunity for core muscle injuries and hip flexor and adductor injuries. Specifically, the limited hip ROM associated with cam morphology appears to exacerbate the risk of these injuries as there will be an increase in pubic symphysis stress and transverse strain during rotational movements. It is hoped that this article will assist practitioners currently working with hockey athletes to develop evidence-informed monitoring strategies and training interventions, aimed at reducing the incidence and severity of hip and groin problems, ultimately enhancing athlete performance and well-being. Therefore, the purpose of this clinical commentary was to examine current evidence on common hip pathologies in hockey athletes, exploring potential associations between hip and groin pain and the biomechanics of hockey activities.

Level of evidence: 5.

股骨髋臼撞击症(FAI),尤其是凸轮形态,在曲棍球精英运动员中非常普遍。此外,髋关节和腹股沟疼痛已成为曲棍球运动中的常见问题,据报道,约有 50%的欧洲职业运动员在一个赛季中出现过髋关节或腹股沟问题。虽然大多数运动员不会因此而缺席训练或比赛,但竞技成绩可能会受到限制,身心健康下降的风险也会增加。最近的研究表明,凸轮形态的形成与青少年时期滑冰对髋关节造成的反复剪切应力有关。这种情况很可能会增加这些运动员在以后的职业生涯中发生关节内和关节外损伤的可能性。研究还表明,与其他运动相比,向前滑冰时的髋关节机械运动大大增加了髋臼唇撕裂的可能性。这种损伤会增加股骨头在关节内的运动,可能对髂股韧带、韧带和关节囊造成二次损伤。这些损伤以及受影响结构中高密度的痛觉感受器可能是曲棍球运动员髋部和腹股沟疼痛高发的原因。髋关节力量、稳定性和活动范围(ROM)降低等补偿性适应可能会增加核心肌肉损伤以及髋关节屈肌和内收肌损伤的机会。具体来说,与凸轮形态相关的髋关节活动度受限似乎会加剧这些损伤的风险,因为在旋转运动中耻骨联合应力和横向应变会增加。我们希望这篇文章能够帮助目前从事曲棍球运动员工作的从业人员制定有实证依据的监测策略和训练干预措施,以减少髋关节和腹股沟问题的发生率和严重程度,最终提高运动员的表现和健康水平。因此,本临床评论旨在研究曲棍球运动员常见髋关节病变的现有证据,探讨髋关节和腹股沟疼痛与曲棍球活动的生物力学之间的潜在关联:5.
{"title":"Associations Between Hip Pathology, Hip and Groin Pain, and Injuries in Hockey Athletes: A Clinical Commentary.","authors":"Matt Kelly, Josh Secomb","doi":"10.26603/001c.116580","DOIUrl":"10.26603/001c.116580","url":null,"abstract":"<p><p>Femoroacetabular impingement (FAI), particularly cam morphology, is highly prevalent among elite hockey athletes. Moreover, hip and groin pain has become a common issue in hockey, with approximately 50% of European professional athletes reported to experience a hip or groin problem during a season. While most athletes will not miss training or competition due to this, restricted competitive performance and increased risk of reduced physical and psychological well-being are likely. Recent research suggests that the development of cam morphology is related to the repetitive shear stresses experienced at the hip joint during adolescence from skating. This condition likely increases the potential for intra-articular and extra-articular injuries in these athletes later in their careers. Research also indicates that the hip joint mechanics during forward skating substantially increase the possibility of sustaining a labral tear compared to other sports. Such an injury can increase femoral head movement within the joint, potentially causing secondary damage to the iliofemoral ligament, ligamentum teres and joint capsule. These injuries and the high density of nociceptors in the affected structures may explain the high prevalence of hip and groin pain in hockey athletes. Compensatory adaptations, such as reduced hip strength, stability, and range-of-motion (ROM) likely increase the opportunity for core muscle injuries and hip flexor and adductor injuries. Specifically, the limited hip ROM associated with cam morphology appears to exacerbate the risk of these injuries as there will be an increase in pubic symphysis stress and transverse strain during rotational movements. It is hoped that this article will assist practitioners currently working with hockey athletes to develop evidence-informed monitoring strategies and training interventions, aimed at reducing the incidence and severity of hip and groin problems, ultimately enhancing athlete performance and well-being. Therefore, the purpose of this clinical commentary was to examine current evidence on common hip pathologies in hockey athletes, exploring potential associations between hip and groin pain and the biomechanics of hockey activities.</p><p><strong>Level of evidence: </strong>5.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11065768/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140861086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Letter to the Editor Concerning: "An Interval Throwing Program for Baseball Pitchers Based upon Workload Data". 致编辑的信"基于工作量数据的棒球投手间歇投掷计划"。
IF 1.6 Q3 SPORT SCIENCES Pub Date : 2024-05-02 eCollection Date: 2024-01-01 DOI: 10.26603/001c.116585
Regan Wong, Daniel Evans, Keith Meister
{"title":"Letter to the Editor Concerning: \"An Interval Throwing Program for Baseball Pitchers Based upon Workload Data\".","authors":"Regan Wong, Daniel Evans, Keith Meister","doi":"10.26603/001c.116585","DOIUrl":"10.26603/001c.116585","url":null,"abstract":"","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11065779/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140852306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Utilization of Diagnostic Musculoskeletal Ultrasound in the Evaluation of Gluteus Medius Tendon Pathology: A Perspective for Rehabilitation Providers. 利用诊断性肌肉骨骼超声波评估臀中肌腱病理学:康复服务提供者的视角。
IF 1.6 Q3 SPORT SCIENCES Pub Date : 2024-05-02 eCollection Date: 2024-01-01 DOI: 10.26603/001c.116864
Robert C Manske, Chris Wolfe, Phil Page, Michael L Voight, Elizabeth Bardowski

Gluteus medius tendon pathology, encompassing tendinopathy and tears, is a significant source of lateral hip pain and functional impairment. Traditional diagnostic approaches have relied on clinical examination and magnetic resonance imaging (MRI). However, the advent of diagnostic musculoskeletal ultrasound (MSKUS) has transformed the evaluation process. Musculoskeletal ultrasound has emerged as a highly valuable diagnostic tool in the evaluation of gluteus medius tendon pathology, offering a non-invasive, cost-effective, and dynamic assessment method. This modality provides real-time visualization of soft tissue, enabling the detailed examination of tendon structure, vascularity, and associated musculature. For rehabilitation providers, understanding the application, strengths, and limitations of diagnostic MSKUS can enhance clinical decision-making, facilitate targeted therapeutic interventions, and potentially expedite the recovery process. This article reviews the application of MSKUS in diagnosing gluteus medius tendon pathology and its implications for rehabilitation practice. This should help to equip rehabilitation professionals with knowledge to better integrate this diagnostic tool into their clinical repertoire.

臀中肌腱病变(包括肌腱病变和撕裂)是髋关节外侧疼痛和功能障碍的重要原因。传统的诊断方法依赖于临床检查和磁共振成像(MRI)。然而,诊断性肌肉骨骼超声(MSKUS)的出现改变了评估过程。肌肉骨骼超声已成为评估臀中肌腱病变的一种极具价值的诊断工具,它提供了一种非侵入性、经济高效且动态的评估方法。这种方法能实时显示软组织的情况,对肌腱结构、血管和相关肌肉组织进行详细检查。对于康复服务提供者来说,了解 MSKUS 诊断的应用、优势和局限性可以加强临床决策,促进有针对性的治疗干预,并有可能加快康复进程。本文回顾了 MSKUS 在诊断臀中肌腱病理学中的应用及其对康复实践的影响。这将有助于康复专业人员掌握相关知识,将这一诊断工具更好地融入临床工作中。
{"title":"The Utilization of Diagnostic Musculoskeletal Ultrasound in the Evaluation of Gluteus Medius Tendon Pathology: A Perspective for Rehabilitation Providers.","authors":"Robert C Manske, Chris Wolfe, Phil Page, Michael L Voight, Elizabeth Bardowski","doi":"10.26603/001c.116864","DOIUrl":"10.26603/001c.116864","url":null,"abstract":"<p><p>Gluteus medius tendon pathology, encompassing tendinopathy and tears, is a significant source of lateral hip pain and functional impairment. Traditional diagnostic approaches have relied on clinical examination and magnetic resonance imaging (MRI). However, the advent of diagnostic musculoskeletal ultrasound (MSKUS) has transformed the evaluation process. Musculoskeletal ultrasound has emerged as a highly valuable diagnostic tool in the evaluation of gluteus medius tendon pathology, offering a non-invasive, cost-effective, and dynamic assessment method. This modality provides real-time visualization of soft tissue, enabling the detailed examination of tendon structure, vascularity, and associated musculature. For rehabilitation providers, understanding the application, strengths, and limitations of diagnostic MSKUS can enhance clinical decision-making, facilitate targeted therapeutic interventions, and potentially expedite the recovery process. This article reviews the application of MSKUS in diagnosing gluteus medius tendon pathology and its implications for rehabilitation practice. This should help to equip rehabilitation professionals with knowledge to better integrate this diagnostic tool into their clinical repertoire.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11065765/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140866930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Triceps Tendon Avulsion in a Soldier: A Case Report. 一名士兵的肱三头肌腱撕脱伤:病例报告
IF 1.6 Q3 SPORT SCIENCES Pub Date : 2024-05-01 eCollection Date: 2024-01-01 DOI: 10.26603/001c.116276
Rita Chorba, Collin Hu, Jess Feldtmann

Background: Clinical assessment of triceps brachii tendon tears is challenging, and conventional imaging methods have limitations. Timely surgical referral is important in high-grade tears to maximize patient outcomes, and musculoskeletal ultrasound (MSK US) can be used at the time of clinical examination to identify such injuries requiring advanced imaging and orthopedic referral.

Hypothesis/purpose: The purpose of this case report is to describe how MSK US was used to facilitate advanced imaging and timely orthopedic referral for a patient presenting to a physical therapist with a high-grade triceps tendon avulsion.

Study design: Case Report.

Case description: A 35-year-old male soldier presented to a direct access sports physical therapist with acute-on-chronic right elbow pain. Physical examination and MSK US were used to identify a high-grade partial triceps brachii tendon tear. The MSK US findings informed the physical therapist's decision-making process to refer the subject for timely advanced imaging studies as well as referral to an orthopedic physician.

Outcomes: A high-grade partial triceps tendon avulsion was confirmed on magnetic resonance imaging (MRI). The subject was then seen by an orthopedic surgeon and underwent surgical repair of the tendon within the recommended three-week timeframe for optimal outcomes. The subject completed a post-operative rehabilitation program and returned to full physical and occupational activities.

Conclusion: MSK US can assist in the diagnosis of challenging triceps tendon injuries, facilitating timely advanced imaging and orthopedic referrals for high-grade injuries to optimize patient outcomes.

Level of evidence: 5.

背景:肱三头肌肌腱撕裂的临床评估具有挑战性,传统的成像方法存在局限性。假设/目的:本病例报告的目的是描述如何使用 MSK US 为一名因肱三头肌肌腱撕脱而向物理治疗师求诊的患者提供高级影像学检查和及时的骨科转诊:研究设计:病例报告:一名35岁的男性士兵因急性右肘慢性疼痛而直接向运动理疗师求诊。通过体格检查和 MSK US 确定肱三头肌腱部分撕裂。MSK US 的检查结果为理疗师的决策过程提供了依据,以便及时将患者转诊接受先进的影像学检查,并转诊给骨科医生:结果:磁共振成像(MRI)证实了肱三头肌腱部分撕脱。随后,该受试者接受了骨科医生的诊治,并在建议的三周时间内接受了肌腱修复手术,以达到最佳效果。受试者完成了术后康复计划,恢复了全面的体能和职业活动:结论:MSK US可协助诊断具有挑战性的肱三头肌肌腱损伤,有助于及时进行高级成像和骨科转诊,以优化患者预后:5.
{"title":"Triceps Tendon Avulsion in a Soldier: A Case Report.","authors":"Rita Chorba, Collin Hu, Jess Feldtmann","doi":"10.26603/001c.116276","DOIUrl":"10.26603/001c.116276","url":null,"abstract":"<p><strong>Background: </strong>Clinical assessment of triceps brachii tendon tears is challenging, and conventional imaging methods have limitations. Timely surgical referral is important in high-grade tears to maximize patient outcomes, and musculoskeletal ultrasound (MSK US) can be used at the time of clinical examination to identify such injuries requiring advanced imaging and orthopedic referral.</p><p><strong>Hypothesis/purpose: </strong>The purpose of this case report is to describe how MSK US was used to facilitate advanced imaging and timely orthopedic referral for a patient presenting to a physical therapist with a high-grade triceps tendon avulsion.</p><p><strong>Study design: </strong>Case Report.</p><p><strong>Case description: </strong>A 35-year-old male soldier presented to a direct access sports physical therapist with acute-on-chronic right elbow pain. Physical examination and MSK US were used to identify a high-grade partial triceps brachii tendon tear. The MSK US findings informed the physical therapist's decision-making process to refer the subject for timely advanced imaging studies as well as referral to an orthopedic physician.</p><p><strong>Outcomes: </strong>A high-grade partial triceps tendon avulsion was confirmed on magnetic resonance imaging (MRI). The subject was then seen by an orthopedic surgeon and underwent surgical repair of the tendon within the recommended three-week timeframe for optimal outcomes. The subject completed a post-operative rehabilitation program and returned to full physical and occupational activities.</p><p><strong>Conclusion: </strong>MSK US can assist in the diagnosis of challenging triceps tendon injuries, facilitating timely advanced imaging and orthopedic referrals for high-grade injuries to optimize patient outcomes.</p><p><strong>Level of evidence: </strong>5.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11065787/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140852307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Preparation For Flight: The Physical Profile of Pre-Professional and Professional Circus Artists in the United States. 飞行准备:美国职业前和职业马戏团艺术家的身体特征。
IF 1.6 Q3 SPORT SCIENCES Pub Date : 2024-05-01 eCollection Date: 2024-01-01 DOI: 10.26603/001c.116332
Stephanie J Greenspan, Melanie I Stuckey

Background: Established norms for fitness and performance measures are lacking in circus arts. These would assist healthcare professionals and coaches to screen for readiness to participate in training or performance, determine post-injury return to performance, and develop targeted conditioning programs.

Purpose: The purpose of this research was to establish norms for trunk and extremity physical exam and performance measures in circus artists by professional status, assigned sex at birth (ASAB), and age.

Study design: Descriptive laboratory study.

Methods: Circus artists (n=201; ages 13-69y; 172 females ASAB, 29 males ASAB) from 10 cities across the United States underwent a baseline physical examination including shoulder, hip and trunk measures of passive (PROM) and active (AROM) range of motion, measures of flexibility (shoulder and hip), strength (manual muscle tests, grip strength), cardiovascular fitness (3 minute-step test), balance (single limb and handstand), and performance, (pull-ups, and the closed kinetic chain upper extremity stability test [CKCUEST]). ANOVAs were used to determine between group differences by age and T-tests to discern differences by ASAB or professional status.

Results: Differences existed by professional status for shoulder external rotation PROM, hip PROM, hip flexibility, shoulder and abdominal strength, and cardiovascular fitness. Sex differences were seen in active scapular upward rotation, hip and shoulder PROM and flexibility, hip and grip strength, and for functional performance measures (pull-ups, CKCUEST). Differences by age were limited to active scapular upward rotation, shoulder PROM, flexibility and strength, cardiovascular fitness, and balance. Overall, professionals outperformed pre-professionals for lower abdominal strength, pull-ups, handstand balance, cardiovascular fitness, hamstring, and straddle flexibility. Generally, males ASAB demonstrated greater shoulder flexibility and upper body functional strength while females ASAB had greater hip and lumbar flexibility and hip strength. No measures showed consistent declines with increasing age, though some showed differences between adolescents and adults.

Conclusion: These normative values for physical characteristics and functional performance in pre-professional and professional circus artists may be used to guide screening for readiness to participate in advanced training or performance, return to performance after injury, and the development of targeted strength and conditioning programs.

Level of evidence: 3.

背景:在马戏艺术中,缺乏既定的体能和表现测量标准。目的:本研究的目的是根据专业状况、出生时的指定性别(ASAB)和年龄,为马戏艺术家的躯干和四肢体格检查及表现测量建立标准:研究设计:描述性实验室研究:研究设计:描述性实验室研究;来自美国 10 个城市的马戏团艺术家(n=201;年龄 13-69 岁;172 名女性 ASAB,29 名男性 ASAB)接受了基线体格检查,包括肩部、髋部和躯干被动(PROM)和主动(AROM)运动范围测量、柔韧性(肩部和髋部)测量、力量(手动肌肉测试、握力)、心血管健康(3 分钟台阶测试)、平衡(单肢和倒立)和表现(引体向上和闭合动能链上肢稳定性测试 [CKCUEST])。方差分析用于确定不同年龄组之间的差异,T 检验用于确定不同 ASAB 或职业状况组之间的差异:结果:在肩关节外旋PROM、髋关节外旋PROM、髋关节柔韧性、肩部和腹部力量以及心血管健康方面,不同专业地位的人存在差异。在主动肩胛上旋、髋关节和肩关节 PROM 和柔韧性、髋关节和握力以及功能表现测量(引体向上、CKCUEST)方面存在性别差异。年龄差异仅限于主动肩胛上旋、肩部 PROM、柔韧性和力量、心血管健康和平衡。总体而言,专业运动员在下腹部力量、引体向上、倒立平衡、心血管健康、腘绳肌和跨立柔韧性方面的表现优于专业前运动员。一般来说,男性 ASAB 运动员的肩部柔韧性和上身功能力量更强,而女性 ASAB 运动员的髋部和腰部柔韧性以及髋部力量更强。随着年龄的增长,没有任何指标显示出一致的下降,尽管有些指标显示出青少年和成年人之间的差异:这些关于职业前和职业马戏艺术家身体特征和功能表现的标准值可用于指导筛查是否准备好参加高级训练或表演、伤后恢复表演以及制定有针对性的力量和调节计划:3.
{"title":"Preparation For Flight: The Physical Profile of Pre-Professional and Professional Circus Artists in the United States.","authors":"Stephanie J Greenspan, Melanie I Stuckey","doi":"10.26603/001c.116332","DOIUrl":"10.26603/001c.116332","url":null,"abstract":"<p><strong>Background: </strong>Established norms for fitness and performance measures are lacking in circus arts. These would assist healthcare professionals and coaches to screen for readiness to participate in training or performance, determine post-injury return to performance, and develop targeted conditioning programs.</p><p><strong>Purpose: </strong>The purpose of this research was to establish norms for trunk and extremity physical exam and performance measures in circus artists by professional status, assigned sex at birth (ASAB), and age.</p><p><strong>Study design: </strong>Descriptive laboratory study.</p><p><strong>Methods: </strong>Circus artists (n=201; ages 13-69y; 172 females ASAB, 29 males ASAB) from 10 cities across the United States underwent a baseline physical examination including shoulder, hip and trunk measures of passive (PROM) and active (AROM) range of motion, measures of flexibility (shoulder and hip), strength (manual muscle tests, grip strength), cardiovascular fitness (3 minute-step test), balance (single limb and handstand), and performance, (pull-ups, and the closed kinetic chain upper extremity stability test [CKCUEST]). ANOVAs were used to determine between group differences by age and T-tests to discern differences by ASAB or professional status.</p><p><strong>Results: </strong>Differences existed by professional status for shoulder external rotation PROM, hip PROM, hip flexibility, shoulder and abdominal strength, and cardiovascular fitness. Sex differences were seen in active scapular upward rotation, hip and shoulder PROM and flexibility, hip and grip strength, and for functional performance measures (pull-ups, CKCUEST). Differences by age were limited to active scapular upward rotation, shoulder PROM, flexibility and strength, cardiovascular fitness, and balance. Overall, professionals outperformed pre-professionals for lower abdominal strength, pull-ups, handstand balance, cardiovascular fitness, hamstring, and straddle flexibility. Generally, males ASAB demonstrated greater shoulder flexibility and upper body functional strength while females ASAB had greater hip and lumbar flexibility and hip strength. No measures showed consistent declines with increasing age, though some showed differences between adolescents and adults.</p><p><strong>Conclusion: </strong>These normative values for physical characteristics and functional performance in pre-professional and professional circus artists may be used to guide screening for readiness to participate in advanced training or performance, return to performance after injury, and the development of targeted strength and conditioning programs.</p><p><strong>Level of evidence: </strong>3.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11065775/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140870472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reliability and Validity of Visual Estimation in Determining Thorax Rotation Mobility using the Quadruped Lumbar-Locked Position. 使用四肢着地腰椎锁定体位测定胸廓旋转活动度时目测法的可靠性和有效性
IF 1.6 Q3 SPORT SCIENCES Pub Date : 2024-05-01 eCollection Date: 2024-01-01 DOI: 10.26603/001c.116154
Katelyn S Whetstone, Kyle A Matsel, Andrew S Patton, Sarah E Gehres, Kate Schwartzkopf-Phifer

Background: Thoracic rotation mobility is crucial for athletes in rotational sports such as baseball, golf, and swimming to maintain the proper biomechanics associated with the sport. Accurate differentiation between normal mobility and active and passive physiological deficits in the thoracic region is critical for identifying the need for intervention to the thorax.

Purpose: To establish the reliability and discriminant validity of visual estimation of thorax rotation range of motion across clinicians of differing experience levels in determining normal mobility and active or passive physiological deficits when utilizing the quadruped lumbar-locked position.

Study design: Cross-sectional.

Methods: Thirty-eight subjects (21 female, 17 male) with a mean age of 27 years ± 6.67 were assessed with the quadruped lumbar-locked thorax rotation test by three examiners with various clinical experience in real-time and again one week later. Bilateral active and passive lumbar-locked thorax rotation mobility was assessed by all raters and categorized as "Unrestricted" (≥50°) or "Restricted" (<50°) while a research assistant simultaneously measured the motion with a digital inclinometer. All raters were blinded to the results. All results were analyzed for intra-rater reliability and agreement.

Results: Test-retest intra-rater reliability ranged from 0.55-0.72 and percent absolute agreement ranged from 0.82-0.89. Inter-rater reliability ranged from 0.45-0.59 while percent absolute agreement between raters ranged from 0.74-0.84. There was a significant difference in range of motion between "Unrestricted" and "Restricted" categories for both active (Unrestricted=54.6-58.9; Restricted=40.4-44.4; p<0.001) and passive motion (Unrestricted=61.3-63.5; Restricted=39.2-39.7; p<0.001). The only interaction effect was for passive left rotation [Rater A Restricted x ® =34.3(30.4-38.2); Rater C Restricted (x ) ®=43.8(41.3-46.4); p=.000].

Conclusion: The quadruped lumbar-locked thorax rotation test demonstrates moderate to substantial test-retest intra-rater and inter-rater reliability regardless of clinical experience. The quadruped lumbar-locked thorax rotation test can accurately discriminate between individuals with active and passive physiological deficits regardless of rater experience using visual estimation.

Level of evidence: 3b.

背景:胸廓旋转活动度对于棒球、高尔夫球和游泳等旋转运动项目的运动员来说至关重要,可帮助他们保持与运动相关的正确生物力学。目的:确定不同经验水平的临床医生对胸廓旋转运动范围进行目测估计的可靠性和判别有效性,以确定采用四足腰锁体位时的正常活动度和主动或被动生理缺陷:研究设计:横断面:平均年龄为 27 岁 ± 6.67 岁的 38 名受试者(21 名女性,17 名男性)接受了由三名具有不同临床经验的检查者进行的四足式腰椎锁定胸廓旋转测试的实时评估,并在一周后再次进行评估。所有评分者都对双侧主动和被动腰锁胸旋转活动度进行了评估,并将其分为 "无限制"(≥50°)和 "限制"(结果:重复测试的评分者内部可靠性为 0.55-0.72,绝对一致率为 0.82-0.89。评分者之间的可靠性在 0.45-0.59 之间,绝对一致率在 0.74-0.84 之间。两种主动运动的活动范围在 "非限制 "和 "限制 "类别之间存在明显差异(非限制=54.6-58.9;限制=40.4-44.4;p结论:无论临床经验如何,四足式腰椎锁定胸廓旋转测试在测试者内部和测试者之间都表现出中度到高度的可靠性。四足腰椎锁定胸廓旋转测试可以准确区分主动和被动生理缺陷的个体,无论评分者的经验如何,均可通过视觉估计进行区分:3b.
{"title":"Reliability and Validity of Visual Estimation in Determining Thorax Rotation Mobility using the Quadruped Lumbar-Locked Position.","authors":"Katelyn S Whetstone, Kyle A Matsel, Andrew S Patton, Sarah E Gehres, Kate Schwartzkopf-Phifer","doi":"10.26603/001c.116154","DOIUrl":"10.26603/001c.116154","url":null,"abstract":"<p><strong>Background: </strong>Thoracic rotation mobility is crucial for athletes in rotational sports such as baseball, golf, and swimming to maintain the proper biomechanics associated with the sport. Accurate differentiation between normal mobility and active and passive physiological deficits in the thoracic region is critical for identifying the need for intervention to the thorax.</p><p><strong>Purpose: </strong>To establish the reliability and discriminant validity of visual estimation of thorax rotation range of motion across clinicians of differing experience levels in determining normal mobility and active or passive physiological deficits when utilizing the quadruped lumbar-locked position.</p><p><strong>Study design: </strong>Cross-sectional.</p><p><strong>Methods: </strong>Thirty-eight subjects (21 female, 17 male) with a mean age of 27 years ± 6.67 were assessed with the quadruped lumbar-locked thorax rotation test by three examiners with various clinical experience in real-time and again one week later. Bilateral active and passive lumbar-locked thorax rotation mobility was assessed by all raters and categorized as \"Unrestricted\" (≥50°) or \"Restricted\" (<50°) while a research assistant simultaneously measured the motion with a digital inclinometer. All raters were blinded to the results. All results were analyzed for intra-rater reliability and agreement.</p><p><strong>Results: </strong>Test-retest intra-rater reliability ranged from 0.55-0.72 and percent absolute agreement ranged from 0.82-0.89. Inter-rater reliability ranged from 0.45-0.59 while percent absolute agreement between raters ranged from 0.74-0.84. There was a significant difference in range of motion between \"Unrestricted\" and \"Restricted\" categories for both active (Unrestricted=54.6-58.9; Restricted=40.4-44.4; p<0.001) and passive motion (Unrestricted=61.3-63.5; Restricted=39.2-39.7; p<0.001). The only interaction effect was for passive left rotation [Rater A Restricted x ® =34.3(30.4-38.2); Rater C Restricted (x ) ®=43.8(41.3-46.4); p=.000].</p><p><strong>Conclusion: </strong>The quadruped lumbar-locked thorax rotation test demonstrates moderate to substantial test-retest intra-rater and inter-rater reliability regardless of clinical experience. The quadruped lumbar-locked thorax rotation test can accurately discriminate between individuals with active and passive physiological deficits regardless of rater experience using visual estimation.</p><p><strong>Level of evidence: </strong>3b.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11065767/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140861087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Interpersonal Coordination between Female Soccer Players: Leader-Follower Roles within a Collision-Avoidance Task. 女足球运动员之间的人际协调:避免碰撞任务中的领导者与追随者角色。
IF 1.6 Q3 SPORT SCIENCES Pub Date : 2024-05-01 eCollection Date: 2024-01-01 DOI: 10.26603/001c.116156
Courtney A Fernandes, Grant E Norte, Sarah M Schwab, Alli Gokeler, Amanda Murray, David M Bazett-Jones, David A Sherman

Background/purpose: Return to sport decision-making may be improved by assessing an athlete's ability to coordinate movement with opponents in sport. The purpose was to investigate whether previous injuries associated with female soccer players' interpersonal coordination during a collision avoidance task. The authors hypothesized that external perturbations would disrupt the strength and stability of coordinated movement, and that individuals with a history of injury would be less likely to recover coordinated movement.

Study design: Cross-Sectional.

Methods: Nine female athletes with a history of lower extremity injuries and nine without injuries were paired into dyads. Each dyad completed twenty trials of an externally paced collision-avoidance agility task with an unanticipated perturbation. Participant trajectories were digitized and analyzed using cross-recurrence quantification analysis (CRQA) to determine the strength and stability of interpersonal coordination dynamics. Trials in which participants with injury history assumed leader or follower roles within each dyad were then used to study how dyadic coordination varied across task stages (early, perturbation, and late) using linear mixed effect models. Cohen's d effect sizes were calculated to demonstrate magnitude of differences. In exploratory analysis, psychological readiness (i.e., self-reported knee functioning, fear of injury, and risk-taking propensity) was evaluated for their association with leader-follower status.

Results: Perturbation disrupted the strength (R2=0.65, p<0.001, early=49.7±1.7, perturbation=41.1±1.7, d=0.39) and stability (R2=0.71, p < 0.001, early=65.0±1.6, perturbation=58.0±1.7, d=0.38) of interpersonal coordination regardless of leader-follower status. Individuals with injury history failed to restore coordination after the perturbation compared to control participants (injury=44.2.0±2.1, control=50.8±2.6, d=0.39). Neither demographic nor psychological measures were associated with leader-follower roles (B=0.039, p=0.224).

Conclusion: Individuals with a history of lower extremity injury may have a diminished ability to adapt interpersonal coordination to perturbations, possibly contributing to a higher risk of re-injury.

Level of evidence: 3.

背景/目的:通过评估运动员在运动中与对手协调动作的能力,可以改善运动员重返运动场的决策。本研究旨在调查女足运动员在避免碰撞任务中的人际协调能力是否与之前的受伤有关。作者假设,外部干扰会破坏协调运动的强度和稳定性,有受伤史的人恢复协调运动的可能性较低:研究设计:横断面方法:研究设计:横断面方法:将九名有下肢受伤史的女运动员和九名无受伤史的女运动员配成一组。每个二人组完成 20 次带有意外干扰的外部步调避撞敏捷任务。对参与者的运动轨迹进行数字化处理,并使用交叉复现量化分析法(CRQA)进行分析,以确定人际协调动态的强度和稳定性。然后,使用线性混合效应模型,让有受伤史的参与者在每个二人组中扮演领导者或跟随者的角色,以研究二人组的协调在不同任务阶段(早期、扰动和后期)的变化情况。通过计算 Cohen's d 效果大小来显示差异的程度。在探索性分析中,还评估了心理准备(即自我报告的膝关节功能、对受伤的恐惧和冒险倾向)与领导者-追随者状态的关系:结果:干扰破坏了强度(R2=0.65,p):结论:有下肢受伤史的人可能会降低人际协调适应扰动的能力,这可能会导致再次受伤的风险更高:3.
{"title":"Interpersonal Coordination between Female Soccer Players: Leader-Follower Roles within a Collision-Avoidance Task.","authors":"Courtney A Fernandes, Grant E Norte, Sarah M Schwab, Alli Gokeler, Amanda Murray, David M Bazett-Jones, David A Sherman","doi":"10.26603/001c.116156","DOIUrl":"10.26603/001c.116156","url":null,"abstract":"<p><strong>Background/purpose: </strong>Return to sport decision-making may be improved by assessing an athlete's ability to coordinate movement with opponents in sport. The purpose was to investigate whether previous injuries associated with female soccer players' interpersonal coordination during a collision avoidance task. The authors hypothesized that external perturbations would disrupt the strength and stability of coordinated movement, and that individuals with a history of injury would be less likely to recover coordinated movement.</p><p><strong>Study design: </strong>Cross-Sectional.</p><p><strong>Methods: </strong>Nine female athletes with a history of lower extremity injuries and nine without injuries were paired into dyads. Each dyad completed twenty trials of an externally paced collision-avoidance agility task with an unanticipated perturbation. Participant trajectories were digitized and analyzed using cross-recurrence quantification analysis (CRQA) to determine the strength and stability of interpersonal coordination dynamics. Trials in which participants with injury history assumed leader or follower roles within each dyad were then used to study how dyadic coordination varied across task stages (early, perturbation, and late) using linear mixed effect models. Cohen's d effect sizes were calculated to demonstrate magnitude of differences. In exploratory analysis, psychological readiness (i.e., self-reported knee functioning, fear of injury, and risk-taking propensity) was evaluated for their association with leader-follower status.</p><p><strong>Results: </strong>Perturbation disrupted the strength (R2=0.65, p<0.001, early=49.7±1.7, perturbation=41.1±1.7, d=0.39) and stability (R2=0.71, p < 0.001, early=65.0±1.6, perturbation=58.0±1.7, d=0.38) of interpersonal coordination regardless of leader-follower status. Individuals with injury history failed to restore coordination after the perturbation compared to control participants (injury=44.2.0±2.1, control=50.8±2.6, d=0.39). Neither demographic nor psychological measures were associated with leader-follower roles (B=0.039, p=0.224).</p><p><strong>Conclusion: </strong>Individuals with a history of lower extremity injury may have a diminished ability to adapt interpersonal coordination to perturbations, possibly contributing to a higher risk of re-injury.</p><p><strong>Level of evidence: </strong>3.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11065781/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140854108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Individualized Technique Feedback for Instant Technique Improvements and Knee Abduction Moment Reductions - A New Approach for 'Sidestepping' ACL Injuries? 个性化技术反馈可即时改善技术并减少膝关节外展力矩--治疗 "侧滑 "前交叉韧带损伤的新方法?
IF 1.6 Q3 SPORT SCIENCES Pub Date : 2024-05-01 eCollection Date: 2024-01-01 DOI: 10.26603/001c.116274
Kevin Bill, Patrick Mai, Lasse Mausehund, Sigurd Solbakken, Tron Krosshaug, Uwe G Kersting

Background: Sidestep cutting technique is highly individual and has been shown to influence knee joint loading. However, studies assessing whether individualized technique feedback improves technique and ACL injury-relevant knee joint loads instantly in a sport-specific task are lacking.

Purpose: To determine the instant effects of individualized augmented technique feedback and instructions on technique and the peak external knee abduction moment (pKAM) in a handball-specific sidestep cut. Additionally, to determine the effects of technique modifications on the resultant ground reaction force and its frontal plane moment arm to the knee joint center.

Study design: Controlled laboratory cohort study.

Methods: Three-dimensional biomechanics of 48 adolescent female handball players were recorded during a handball-specific sidestep cut. Following baseline cuts to each side, leg-specific visual and verbal technique feedback on foot strike angle, knee valgus motion, or vertical impact velocity using a hierarchically organized structure accounting for the variables' association with performance was provided. Subsequently, sidestep cuts were performed again while verbal instructions were provided to guide technique modifications. Combined effects of feedback and instructions on technique and pKAM as well as on the resultant ground reaction force and its frontal plane moment arm to the knee joint center were assessed.

Results: On average, each targeted technique variable improved following feedback and instructions, leading to instant reductions in pKAM of 13.4% to 17.1%. High inter-individual differences in response to feedback-instruction combinations were observed. These differences were evident in both the adherence to instructions and the impact on pKAM and its components.

Conclusion: Most players were able to instantly adapt their technique and decrease ACL injury-relevant knee joint loads through individualized augmented technique feedback, thereby potentially reducing the risk of injury. More research is needed to assess the retention of these adaptations and move towards on-field technique assessments using low-cost equipment.

Level of evidence: Level 3.

背景:侧步切削技术是高度个性化的,已被证明会影响膝关节负荷。目的:确定在手球特定侧步切入中,个性化增强技术反馈和指导对技术和膝关节外展力矩峰值(pKAM)的即时影响。此外,确定技术修改对地面反作用力结果及其对膝关节中心的额面力矩臂的影响:研究设计:受控实验室队列研究:方法:记录 48 名青少年女子手球运动员在进行手球特定侧步切入时的三维生物力学。在对每侧进行基线切入后,针对脚掌击球角度、膝关节外翻运动或垂直冲击速度提供视觉和口头技术反馈,并采用分层组织结构,说明变量与成绩的关系。随后,再次进行侧步切入,同时提供口头指导以指导技术修改。评估了反馈和指导对技术和 pKAM 以及对由此产生的地面反作用力及其对膝关节中心的额面力矩臂的综合影响:平均而言,每个目标技术变量在反馈和指导后都有所改善,从而使 pKAM 立即降低了 13.4% 至 17.1%。个体间对反馈和指导组合的反应差异很大。这些差异既体现在对指令的坚持上,也体现在对 pKAM 及其组成部分的影响上:结论:通过个性化的增强技术反馈,大多数球员都能立即调整自己的技术,减少与前十字韧带损伤相关的膝关节负荷,从而降低受伤风险。需要开展更多研究,以评估这些适应性的保持情况,并利用低成本设备进行场上技术评估:证据等级:3 级。
{"title":"Individualized Technique Feedback for Instant Technique Improvements and Knee Abduction Moment Reductions - A New Approach for 'Sidestepping' ACL Injuries?","authors":"Kevin Bill, Patrick Mai, Lasse Mausehund, Sigurd Solbakken, Tron Krosshaug, Uwe G Kersting","doi":"10.26603/001c.116274","DOIUrl":"10.26603/001c.116274","url":null,"abstract":"<p><strong>Background: </strong>Sidestep cutting technique is highly individual and has been shown to influence knee joint loading. However, studies assessing whether individualized technique feedback improves technique and ACL injury-relevant knee joint loads instantly in a sport-specific task are lacking.</p><p><strong>Purpose: </strong>To determine the instant effects of individualized augmented technique feedback and instructions on technique and the peak external knee abduction moment (pKAM) in a handball-specific sidestep cut. Additionally, to determine the effects of technique modifications on the resultant ground reaction force and its frontal plane moment arm to the knee joint center.</p><p><strong>Study design: </strong>Controlled laboratory cohort study.</p><p><strong>Methods: </strong>Three-dimensional biomechanics of 48 adolescent female handball players were recorded during a handball-specific sidestep cut. Following baseline cuts to each side, leg-specific visual and verbal technique feedback on foot strike angle, knee valgus motion, or vertical impact velocity using a hierarchically organized structure accounting for the variables' association with performance was provided. Subsequently, sidestep cuts were performed again while verbal instructions were provided to guide technique modifications. Combined effects of feedback and instructions on technique and pKAM as well as on the resultant ground reaction force and its frontal plane moment arm to the knee joint center were assessed.</p><p><strong>Results: </strong>On average, each targeted technique variable improved following feedback and instructions, leading to instant reductions in pKAM of 13.4% to 17.1%. High inter-individual differences in response to feedback-instruction combinations were observed. These differences were evident in both the adherence to instructions and the impact on pKAM and its components.</p><p><strong>Conclusion: </strong>Most players were able to instantly adapt their technique and decrease ACL injury-relevant knee joint loads through individualized augmented technique feedback, thereby potentially reducing the risk of injury. More research is needed to assess the retention of these adaptations and move towards on-field technique assessments using low-cost equipment.</p><p><strong>Level of evidence: </strong>Level 3.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11065769/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140865760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Muscle Activity and Kinematics During Three Hamstring Strengthening Exercises Compared to Sprinting: A Cross-Sectional Study. 与短跑相比,三种腘绳肌强化训练过程中的肌肉活动和运动学:横断面研究。
IF 1.6 Q3 SPORT SCIENCES Pub Date : 2024-05-01 eCollection Date: 2024-01-01 DOI: 10.26603/001c.116158
Adelso Jorge, Eric Lichtenstein, Oliver Faude, Ralf Roth

Background: During sprinting, the biceps femoris long head predominantly gets injured, while hamstring strengthening exercises predominantly activate the semitendinosus more effectively. Understanding how joint dominance influences hamstring activity may offer clarity on appropriate exercise selection in strengthening programs.

Purpose: This study compared three hip-dominant hamstring exercises: the rocker, perpetuum mobile fast and slow (PMfast and PMslow) and the Nordic Hamstring exercise (NHE) on their potential to simulate sprint-like activity and kinematics.

Methods: Muscle activity of the posterior kinetic chain (biceps femoris, semitendinosus, gluteus maximus, and medial gastrocnemius) was measured with surface electromyography (sEMG) during the exercises and treadmill running at 75% of the individual maximal sprint velocity in male athletes. sEMG data were normalized to maximal sprinting. 3D-motion capture was employed to assess hip and knee angles.

Results: Eight male athletes were included (age: 24.0 years ± SD 2.9; body mass: 76.8 kg ± 7.7; height: 1.79 m ± 0.08). Greater activity of the hamstrings occurred during the explosive exercises ranging from 63.9% [95%CI: 56.3-71.5%] (rocker) to 49.0% [95%CI: 40.4-57.6%] (PMfast) vs. 34.0% [95%CI: 29.1-38.9%] (NHE) to 32.1% [95%CI: 26.9-37.3%] (PMslow). The rocker showed greatest hamstring and gluteus maximus activity. Biceps femoris consistently showed greater activity than the semitendinosus across all exercises in peak (mean difference: 0.16, [95%CI: 0.07-0.26]) and average (mean difference: 0.06, [95%CI: 0.01-0.11]) activity. PMfast, PMslow and NHE demonstrated less hip flexion angle at peak hamstring activity than the rocker and high-speed running and every exercise showed less hamstring elongation stress than during high-speed running.

Discussion: Hamstring activity is comparable to high-intensity treadmill running for NHE and PMslow, and greater for the rocker and PMfast. Gluteus maximus activity varied, with the rocker and PMfast showing greater activity than in sprinting. All examined exercises demonstrated their peak activity at short hamstring muscle length.

Level of evidence: 3b.

背景:在短跑过程中,主要受伤的是股二头肌长头,而腿筋强化练习主要是更有效地激活半腱肌。目的:本研究比较了三种以髋关节为主的腘绳肌练习:摇臂、永动机快慢(PMfast 和 PMslow)以及北欧腘绳肌练习(NHE),研究它们在模拟短跑样活动和运动学方面的潜力:通过表面肌电图(sEMG)测量了男性运动员在练习和以个人最大冲刺速度的 75% 进行跑步机跑步时的后运动链(股二头肌、半腱肌、臀大肌和内侧腓肠肌)肌肉活动。采用三维运动捕捉技术评估髋关节和膝关节角度:结果:8 名男性运动员(年龄:24.0 岁 ± SD 2.9;体重:76.8 千克 ± 7.7;身高:1.79 米 ± 0.08)参加了研究。在爆发力练习中,腘绳肌的活动量更大,从63.9%[95%CI:56.3-71.5%](摇臂)到49.0%[95%CI:40.4-57.6%](快速原力);而在慢速原力练习中,腘绳肌的活动量从34.0%[95%CI:29.1-38.9%](NHE)到32.1%[95%CI:26.9-37.3%](慢速原力)。摇椅显示出最大的腘绳肌和臀大肌活动。在所有练习中,股二头肌的峰值活动量(平均差异:0.16,[95%CI:0.07-0.26])和平均活动量(平均差异:0.06,[95%CI:0.01-0.11])始终高于半腱肌。与摇摆跑和高速跑相比,PMfast、PMslow 和 NHE 在腘绳肌活动峰值时表现出较小的髋关节屈曲角度,而且与高速跑相比,每种练习都表现出较小的腘绳肌伸长应力:讨论:NHE 和 PMslow 的腘绳肌活动与高强度跑步相当,而摇摆和 PMfast 的腘绳肌活动则更大。臀大肌的活动各不相同,摇摆式和快速原动式的活动量大于短跑时的活动量。所有检查过的练习都在腿筋肌短时达到活动峰值:3b.
{"title":"Muscle Activity and Kinematics During Three Hamstring Strengthening Exercises Compared to Sprinting: A Cross-Sectional Study.","authors":"Adelso Jorge, Eric Lichtenstein, Oliver Faude, Ralf Roth","doi":"10.26603/001c.116158","DOIUrl":"10.26603/001c.116158","url":null,"abstract":"<p><strong>Background: </strong>During sprinting, the biceps femoris long head predominantly gets injured, while hamstring strengthening exercises predominantly activate the semitendinosus more effectively. Understanding how joint dominance influences hamstring activity may offer clarity on appropriate exercise selection in strengthening programs.</p><p><strong>Purpose: </strong>This study compared three hip-dominant hamstring exercises: the rocker, perpetuum mobile fast and slow (PMfast and PMslow) and the Nordic Hamstring exercise (NHE) on their potential to simulate sprint-like activity and kinematics.</p><p><strong>Methods: </strong>Muscle activity of the posterior kinetic chain (biceps femoris, semitendinosus, gluteus maximus, and medial gastrocnemius) was measured with surface electromyography (sEMG) during the exercises and treadmill running at 75% of the individual maximal sprint velocity in male athletes. sEMG data were normalized to maximal sprinting. 3D-motion capture was employed to assess hip and knee angles.</p><p><strong>Results: </strong>Eight male athletes were included (age: 24.0 years ± SD 2.9; body mass: 76.8 kg ± 7.7; height: 1.79 m ± 0.08). Greater activity of the hamstrings occurred during the explosive exercises ranging from 63.9% [95%CI: 56.3-71.5%] (rocker) to 49.0% [95%CI: 40.4-57.6%] (PMfast) vs. 34.0% [95%CI: 29.1-38.9%] (NHE) to 32.1% [95%CI: 26.9-37.3%] (PMslow). The rocker showed greatest hamstring and gluteus maximus activity. Biceps femoris consistently showed greater activity than the semitendinosus across all exercises in peak (mean difference: 0.16, [95%CI: 0.07-0.26]) and average (mean difference: 0.06, [95%CI: 0.01-0.11]) activity. PMfast, PMslow and NHE demonstrated less hip flexion angle at peak hamstring activity than the rocker and high-speed running and every exercise showed less hamstring elongation stress than during high-speed running.</p><p><strong>Discussion: </strong>Hamstring activity is comparable to high-intensity treadmill running for NHE and PMslow, and greater for the rocker and PMfast. Gluteus maximus activity varied, with the rocker and PMfast showing greater activity than in sprinting. All examined exercises demonstrated their peak activity at short hamstring muscle length.</p><p><strong>Level of evidence: </strong>3b.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11065773/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140870249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
International Journal of Sports Physical Therapy
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1