Physical Therapy in Sport最新文献_第10页

Prevalence and severity of injuries and illnesses among university handball players: A prospective cohort study 大学手球运动员受伤和疾病的患病率和严重程度：一项前瞻性队列研究

IF 2.2 3区医学 Q1 REHABILITATION

Physical Therapy in Sport

Pub Date : 2025-03-24 DOI: 10.1016/j.ptsp.2025.03.009

Ayaka Takegami , Sonoko Mashimo , Suguru Ichihara , Satoru Nishida , Akira Ito , Hideaki Waki , Satoshi Hosoi , Naruto Yoshida

Objectives

To clarify the prevalence and severity of injuries and illnesses in university handball players.

Design

Prospective cohort study.

Setting

Survey-based online questionnaire.

Participants

231 university handball players (109 males and 122 females) over 38 weeks.

Main outcome measures

Each participant completed the Japanese version of the Oslo Sports Trauma Research Center Questionnaire on Health Problems every Sunday. The main outcome measures were the average weekly prevalence of injuries and illnesses, duration, average weekly severity scores rated on a scale of 0–100 based on answers to four key questions, and cumulative severity scores.

Results

The average weekly prevalence was 27.4 % (95 % CI: 25.6–29.1 %) for injuries and 2.2 % (95 % CI: 1.6–2.8 %) for illnesses. Among injuries, traumatic injuries had higher average weekly severity scores (50.0 vs 32.0, p < 0.05) and cumulative severity scores per case (65.0 vs 42.0, p < 0.05) than overuse injuries. Conversely, overuse injuries lasted approximately 10 days longer than traumatic injuries (18 days vs 10 days, p < 0.05). Traumatic knee injuries and overuse shoulder injuries ranked the highest in prevalence, duration, and cumulative severity scores.

Conclusions

We found that, although overuse injuries were less severe than traumatic injuries, they interfered with handball activities for extended periods.

目的了解高校手球运动员伤病的发生率及严重程度。前瞻性队列研究。设置基于调查的在线问卷。参与者是231名大学手球运动员（109名男性，122名女性），持续38周。主要结果测量每位参与者每周日完成奥斯陆运动创伤研究中心健康问题问卷的日文版。主要结果测量是每周平均受伤和疾病发生率，持续时间，每周平均严重程度评分（基于四个关键问题的答案，评分范围为0-100），以及累积严重程度评分。结果损伤的周平均患病率为27.4% (95% CI: 25.6 ~ 29.1%)，疾病的周平均患病率为2.2% （95% CI: 1.6 ~ 2.8%）。在损伤中，外伤性损伤的平均每周严重程度评分较高(50.0比32.0,p <；0.05)和每个病例的累积严重性评分(65.0 vs 42.0, p <；0.05)大于过度使用损伤。相反，过度使用损伤比外伤性损伤持续时间大约长10天(18天vs 10天，p <；0.05)。外伤性膝关节损伤和过度使用性肩部损伤在患病率、持续时间和累积严重程度评分上排名最高。结论：我们发现，虽然过度使用损伤比外伤性损伤严重，但它们对手球活动的干扰时间较长。

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引用次数: 0

Targeting the hip and/or knee extensors during the back squat in males and females: A repeated measures decision tree analysis using the relative difference in trunk and tibia inclination and knee flexion angle 针对男性和女性后蹲时髋关节和/或膝关节伸肌：使用躯干和胫骨倾斜和膝关节屈曲角度的相对差异进行重复测量决策树分析

IF 2.2 3区医学 Q1 REHABILITATION

Physical Therapy in Sport

Pub Date : 2025-03-24 DOI: 10.1016/j.ptsp.2025.03.008

Rachel K. Straub, Adam J. Barrack, Jordan Cannon, Christopher M. Powers

Objective

To determine what combination of relative trunk and tibia inclination and knee flexion biases the hip and knee extensors during the squat.

Design

Repeated measures.

Setting

University research laboratory.

Participants

16 healthy individuals.

Main Outcome Measures

The average hip/knee extensor moment ratio (HKR) was calculated during squat descent, and trunk-tibia inclination difference and knee flexion angle at peak knee flexion. A regression tree for repeated measures determined what combination of trunk-tibia inclination difference and knee flexion angle predicted HKR.

Results

HKR was predicted by trunk-tibia inclination difference (primary predictor) and knee flexion (secondary predictor). Four squatting strategies emerged: knee extensor bias (average HKR = 0.3), neutral bias (average HKR = 0.9), hip extensor bias (average HKR = 1.5), and high hip extensor bias (average HKR = 2.2). When trunk inclination exceeded tibia inclination ( ≥ 2.2°), hip-biased squatting was evident. Squat depth affected only hip-biased squatting: high hip extensor bias at moderate depths (<96° knee flexion), and a less pronounced hip bias at greater depths ( ≥ 96° knee flexion).

Conclusions

Our results provide a framework to bias the squat exercise based on intent. To maximize or minimize hip relative to knee extensor demands, clinicians should be cognizant of the trunk inclination relative to tibia inclination and the influence of knee flexion.

目的探讨深蹲时，躯干和胫骨的相对倾斜度以及膝关节屈曲对髋关节和膝关节伸肌的影响。DesignRepeated措施。大学研究实验室。参与者为16名健康个体。计算深蹲时髋关节/膝关节伸肌力矩比（HKR）平均值，以及膝关节屈曲高峰时躯干-胫骨倾斜度差和膝关节屈曲角度。重复测量的回归树确定了躯干-胫骨倾斜度差和膝关节屈曲角度的组合预测HKR。结果以躯干-胫骨倾斜度差（主要预测因子）和膝关节屈曲（次要预测因子）预测shkr。出现了四种深蹲策略：膝关节伸肌偏倚（平均HKR = 0.3）、中性偏倚（平均HKR = 0.9）、髋伸肌偏倚（平均HKR = 1.5）和髋伸肌偏倚（平均HKR = 2.2）。当躯干倾斜度超过胫骨倾斜度（≥2.2°）时，明显为髋偏下蹲。深蹲仅影响髋偏深的深蹲：中等深度时髋伸肌偏大（膝屈度为96°），深度较大时髋关节偏小（膝屈度≥96°）。结论我们的研究结果为深蹲训练的意图偏向提供了一个框架。为了最大化或最小化髋关节相对于膝关节伸肌的需求，临床医生应该认识到躯干相对于胫骨的倾斜度和膝关节屈曲的影响。

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引用次数: 0

Effectiveness of adding Dynamic Tape® to progressive tendon-load exercise program in patients with patellar tendinopathy: A randomized controlled trial 动态胶带®加入进行性肌腱负荷锻炼计划对髌骨肌腱病变患者的有效性：一项随机对照试验。

IF 2.2 3区医学 Q1 REHABILITATION

Physical Therapy in Sport

Pub Date : 2025-03-13 DOI: 10.1016/j.ptsp.2025.03.005

Shalimá Figueiredo Chaves Coelho Ferreira, Marcio Almeida Bezerra, Rodrigo Ribeiro de Oliveira, Pedro Olavo de Paula Lima

Objective

To evaluate the effectiveness of adding Dynamic Tape® to a progressive load exercise program in patients with patellar tendinopathy.

Design

Randomized controlled trial.

Setting

University research.

Participants

Forty-eight subjects with patellar tendinopathy.

Methods

Participants were divided into two groups: dynamic group, which received progressive load exercises and Dynamic Tape®, and sham group, which received progressive load exercises and sham taping. The intervention was conducted three times per week over 12 weeks.

Main outcome measures

The pain during decline squatting was assessed using a visual analog scale. The severity of patellar tendinopathy was measured using the Victorian Institute of Sport Assessment-Patella (VISA-P).

Results

There was no effect of group-time interaction for the pain (Z = 0.844, p = 0.472) or severity (Z = 1.275, p = 0.286) of patellar tendinopathy. Reduced pain and severity were observed over time (p < 0.05), however there was no between-group differences (p > 0.05).

Conclusion

Dynamic Tape® does not provide additional benefits when combined with a progressive load exercise program for reducing pain and severity in patellar tendinopathy.

目的：评价在进行性负荷运动中加入Dynamic Tape®对髌骨肌腱病变患者的疗效。设计：随机对照试验。环境：大学研究。参与者：48名髌骨肌腱病变患者。方法：参与者分为两组：动态组，接受渐进式负荷练习和dynamic Tape®；假手术组，接受渐进式负荷练习和假手术胶带。干预每周进行三次，持续12周。主要结果测量：用视觉模拟量表评估蹲下时的疼痛。髌骨肌腱病变的严重程度采用维多利亚运动评估-髌骨研究所（VISA-P）进行测量。结果：组间交互作用对髌骨肌腱病变疼痛程度（Z = 0.844, p = 0.472）和严重程度（Z = 1.275, p = 0.286）无影响。随着时间的推移，疼痛和严重程度有所减轻（p < 0.05）。结论：Dynamic Tape®与渐进式负荷运动项目联合使用时，对于减轻髌骨肌腱病变的疼痛和严重程度没有额外的益处。

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引用次数: 0

Current clinical management of Achilles tendinopathy by Spanish physiotherapists: An observational study 西班牙理疗师对跟腱病的临床治疗现状：观察研究

IF 2.2 3区医学 Q1 REHABILITATION

Physical Therapy in Sport

Pub Date : 2025-03-12 DOI: 10.1016/j.ptsp.2025.03.006

Juan Sancho , Peter Malliaras , Ruth L. Chimenti , Igor Sancho

Objectives

The purpose of this study was to explore how Spanish physiotherapists manage Achilles tendinopathy and to evaluate the alignment of their practices with established clinical guidelines.

Design

A cross-sectional online survey of Spanish physiotherapists.

Setting

Clinical environment.

Participants

Four hundred thirty-four physiotherapists completed the survey.

Methods

An online survey was administered to Spanish physiotherapists between March and April 2024. The survey collected data on clinicians’ demographics, treatment approaches, and preferences. Descriptive analysis was performed, with nominal and ordinal data analyzed through frequency counts.

Results

Valid responses were received from 434 physiotherapists with a mean age of 32 years (IQR = 15, range 22–60). Exercise and education were the most used treatments (94 % and 78 % of respondents respectively), although there was variability in their implementation. However, a significant proportion of Spanish physiotherapists (64 %) reported using invasive techniques, which may reduce the time spent on evidence-based interventions (p = 0.001) for the management of Achilles tendinopathy.

Conclusions

Spanish physiotherapists generally follow clinical guidelines for managing AT, with exercise and education as the main interventions. Despite the limited evidence, invasive techniques and manual therapy (74 %) are widely used. Future research should clarify the impact of this practice in the Spanish population.

目的本研究的目的是探讨西班牙物理治疗师如何处理跟腱病，并评估他们的做法与既定临床指南的一致性。设计西班牙物理治疗师的横断面在线调查。SettingClinical环境。共有434名物理治疗师完成了调查。方法于2024年3月至4月对西班牙物理治疗师进行在线调查。该调查收集了临床医生的人口统计数据、治疗方法和偏好。进行描述性分析，通过频率计数分析标称和序数数据。结果共收到434名物理治疗师的有效回复，平均年龄32岁（IQR = 15，范围22-60）。运动和教育是最常用的治疗方法（分别为94%和78%的受访者），尽管在实施过程中存在差异。然而，相当大比例的西班牙物理治疗师（64%）报告使用侵入性技术，这可能减少用于跟腱病管理的循证干预的时间（p = 0.001）。结论西班牙物理治疗师一般遵循临床指南管理AT，以运动和教育为主要干预措施。尽管证据有限，但侵入性技术和手工疗法（74%）被广泛使用。未来的研究应该阐明这种做法对西班牙人口的影响。

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引用次数: 0

Recurrent sprains of chronic ankle instability with chronic syndesmotic injury are primarily correlated with plantarflexion instability and multisensory deficits 慢性踝关节不稳定伴慢性韧带联合损伤的复发性扭伤主要与跖屈不稳定和多感觉缺陷相关

IF 2.2 3区医学 Q1 REHABILITATION

Physical Therapy in Sport

Pub Date : 2025-03-11 DOI: 10.1016/j.ptsp.2025.03.004

Nan Mei , Zhende Jiang , Hiroaki Kurokawa , Yuki Ueno , Hengyu Liu , Jiaming Zou , Lijuan Fu , Akira Taniguchi , Yasuhito Tanaka , Yinan Wang , Fei Chang

Objective

To investigate postural control deficits and their correlation with recurrent ankle sprains in patients with both chronic ankle instability (CAI) and chronic syndesmotic injury (CSI).

Design

Cross-sectional design.

Setting

Motion laboratory and Orthopedic department.

Participants

73 individuals with CAI and 15 healthy controls Main outcome measures: Patients with CAI were divided into a CAI group (isolated CAI) and a CSI group (CAI with CSI) based on arthroscopic findings. Postural control was evaluated using the Sensory Organization Test, Adaptability Test, and Romberg Test.

Results

The CSI group had significantly lower somatosensory, visual, and vestibular scores and higher visual dependency compared to CAI group and controls (p < 0.05-0.001). CSI groups showed higher sway energy than the CAI in the plantarflexion sway (p < 0.05). Correlation analysis indicated strong associations between sprain incidence and plantarflexion sway energy (r = 0.68, p < 0.001), VAS scores (r = 0.54, p < 0.001), and somatosensory deficits (r = −0.43, p < 0.001). The AUC for the logistic regression model was 0.906, indicating excellent model performance (p < 0.001).

Conclusions

Our results found that plantarflexion instability of the CSI correlates most strongly with the risk of ankle sprains, despite coexisting multisensory deficits. Hence, rehabilitation should address these deficits, pain management and targeted training.

目的探讨慢性踝关节不稳定（CAI）和慢性胫腓联合损伤（CSI）患者的姿势控制缺陷与复发性踝关节扭伤的关系。DesignCross-sectional设计。设有运动实验室和骨科。研究对象：73例CAI患者和15例健康对照。主要结局指标：根据关节镜检查结果将CAI患者分为CAI组（孤立CAI）和CSI组（伴有CSI的CAI）。姿势控制采用感觉组织测试、适应性测试和Romberg测试进行评估。结果与CAI组和对照组相比，CSI组的躯体感觉、视觉和前庭功能评分显著降低，视觉依赖性显著提高(p <；0.05 - -0.001)。在跖屈摆动中，CSI组比CAI组表现出更高的摆动能量(p <；0.05)。相关分析显示，扭伤发生率与跖屈曲摆动能有很强的相关性(r = 0.68, p <；0.001)， VAS评分(r = 0.54, p <；0.001)和躯体感觉缺陷(r = - 0.43, p <；0.001)。logistic回归模型的AUC为0.906，表明模型性能良好(p <；0.001)。结论我们的研究结果发现，尽管存在多感觉缺陷，CSI的跖屈曲不稳定与踝关节扭伤的风险相关性最强。因此，康复应该解决这些缺陷，疼痛管理和有针对性的训练。

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引用次数: 0

Drop jump vertical kinetics identify male youth soccer players at greater risk of non-contact knee injury 落跳垂直动力学识别男性青少年足球运动员在非接触性膝盖损伤的风险较大

IF 2.2 3区医学 Q1 REHABILITATION

Physical Therapy in Sport

Pub Date : 2025-03-06 DOI: 10.1016/j.ptsp.2025.03.003

Jason S. Pedley , Rhodri S. Lloyd , Paul J. Read , Isabel S. Moore , Gregory D. Myer , Jon L. Oliver

Objectives

To determine associations between drop-jump vertical kinetics and acute non-contact knee injury-risk in male youth soccer players.

Design

Prospective cohort study.

Setting

Professional soccer academies.

Participants

Youth soccer players (n = 264).

Main outcome measures

Drop-jump vertical kinetics; injury epidemiology. Associations between kinetics and injury were assessed using binary logistic regression. Differences between injured and uninjured groups were compared using statistical parametric mapping.

Results

Peak braking: peak propulsive force ratio (OR = 1.59, 1.10–2.29, p < 0.05), propulsive work (OR = 0.53, 0.28–0.99, p < 0.05) and vertical stiffness (OR = 1.68, 1.13–2.52, p < 0.05) were associated with risk of sustaining a knee injury. All variables demonstrated ‘unusable’ or ‘weak’ levels of predictive ability in identifying players who would become injured (AUC 0.568–0.663).

Conclusions

Drop-jump vertical kinetics that characterise the shape of the force-time waveform provide insight to acute non-contact knee injury-risk in male youth soccer players. Large transient spikes in force in the early phase of ground contact, coupled with reduced propulsive forces are a risk factor for acute non-contact knee injury in male youth soccer players. Variables are not sensitive enough to predict injury but provide additional training targets to help mitigate risk in this population.

目的探讨男性青少年足球运动员落跳垂直运动动力学与急性非接触性膝关节损伤风险之间的关系。前瞻性队列研究。设立专业足球学院。青少年足球运动员（n = 264）。主要观察指标：落跳垂直动力学；伤害流行病学。使用二元逻辑回归评估动力学和损伤之间的关联。采用统计参数映射法比较受伤组与未受伤组的差异。结果制动：峰值推进力比(OR = 1.59, 1.10-2.29, p <；0.05),推进工作(OR = 0.53, 0.28 - -0.99, p & lt;0.05)和垂直刚度(OR = 1.68, 1.13-2.52, p <；0.05)与持续膝盖损伤的风险相关。所有变量都显示出“不可用”或“弱”水平的预测能力，以确定哪些球员会受伤（AUC 0.568-0.663）。结论：表征力-时间波形形状的落跳垂直动力学为男性青少年足球运动员急性非接触性膝关节损伤风险提供了见解。在地面接触的早期阶段，力量的大瞬时峰值，加上推进力的减少，是男性青少年足球运动员急性非接触性膝盖损伤的危险因素。变量不够敏感，不足以预测伤害，但提供了额外的训练目标，以帮助减轻这一人群的风险。

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引用次数: 0

The Victorian Institute of Sport Assessment – Achilles is fundamentally flawed and unfit for clinical practice or research: A Rasch Measurement Theory Analysis using COSMIN recommendations 维多利亚运动评估研究所-阿基里斯从根本上是有缺陷的，不适合临床实践或研究：使用COSMIN建议的皮疹测量理论分析

IF 2.2 3区医学 Q1 REHABILITATION

Physical Therapy in Sport

Pub Date : 2025-03-04 DOI: 10.1016/j.ptsp.2025.03.002

Nigel Travers , Myles C. Murphy , Benedict M. Wand , Paul Kirwan , Mervyn Travers , James Debenham , William Gibson , Dana Hince

Objectives

Evaluate structural validity, hypothesis testing and measurement invariance of the Victorian Institute of Sport Assessment–Achilles (VISA-A) using Rasch analysis to determine if it can be recommended to measure Achilles tendinopathy severity.

Methods

We performed an evaluation of the VISA-A measurement properties using Rasch Measurement Theory by pooling individual participant data from previously conducted studies (n = 217). Structural validity was assessed via threshold/category mean order; adequate item fit; unidimensionality; local dependence; internal consistency. Hypothesis testing was assessed via divergent validity. Measurement invariance assessed via differential item functioning.

Results

The VISA-A has inadequate construct validity. This is evident from issues with item 8 and insufficient threshold order, item fit, borderline internal consistency and measurement invariance, with item response being influenced by both age and BMI.

Conclusion

The VISA-A has inadequate structural validity, borderline internal consistency and poor measurement invariance. Thus, the VISA-A does not meet with COSMIN criteria for construct validity due to issues with structural validity and measurement invariance. Thus, the VISA-A cannot be recommended for use, and should not be used in clinical practice or research. However, if the VISA-A has been used, analysis using only items 1–6, with responses collapsed into a 4-point scale provides the best structural validity.

目的利用Rasch分析评估维多利亚运动评估-跟腱（VISA-A）的结构效度、假设检验和测量不变性，以确定是否可以推荐用于测量跟腱病变严重程度。方法利用Rasch测量理论对VISA-A的测量特性进行评估，并汇集了之前进行的研究中的个体参与者数据（n = 217）。通过阈值/类别平均顺序评估结构效度；适当的项目适合；unidimensionality;当地的依赖;内部一致性。假设检验通过发散效度进行评估。通过差异项目功能评估测量不变性。结果VISA-A量表构效度不足。从项目8和阈值顺序不足、项目拟合、边界内部一致性和测量不变性的问题中可以明显看出这一点，项目反应受到年龄和BMI的影响。结论VISA-A量表结构效度不足，内部一致性不稳定，测量不变性差。因此，由于结构效度和测量不稳定性的问题，VISA-A不符合COSMIN的结构效度标准。因此，VISA-A不推荐使用，不应用于临床实践或研究。然而，如果使用了VISA-A，则仅使用项目1-6进行分析，并将反应分解为4分制，可提供最佳的结构效度。

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引用次数: 0

Measuring eccentric hip adductor strength during the Copenhagen adduction exercise: A proof-of-concept and test re-test reliability study 哥本哈根内收训练中测量偏心髋内收肌力量：概念验证和测试再测试可靠性研究

IF 2.2 3区医学 Q1 REHABILITATION

Physical Therapy in Sport

Pub Date : 2025-03-03 DOI: 10.1016/j.ptsp.2025.03.001

Jack T. Hickey , Cian Lennon , Michael Gillick , Liam Sweeney

Objectives

To describe a novel method for measuring eccentric hip adductor (EHAD) strength during the Copenhagen adduction exercise (CAE) and investigate the test re-test reliability of this measure.

Design

Test re-test reliability study.

Participants

Twenty male athletes aged 24 ± 6 years participated in two data collection sessions 7 ± 2 days apart.

Main outcome measures

During each data collection session, participants performed three maximal effort repetitions of the CAE with their leg supported by an ankle strap hung from a fixed barbell. We attached a commercially available load cell in-series with the ankle strap to measure peak force in Newtons (N) during the eccentric lowering phase of the CAE. The intraclass correlation coefficient (ICC), standard error of measurement (SEM), SEM as a percentage of the mean (SEM%) and minimal detectable change at a 95% confidence interval (MDC₉₅) were calculated for this measure of EHAD strength.

Results

Test re-test reliability was good for EHAD strength measured during the CAE on dominant (ICC = 0.84; SEM% = 3.6%; MDC₉₅ = 33 N) and non-dominant (ICC = 0.87; SEM% = 3.3%; MDC₉₅ = 29 N) legs.

Conclusions

This study provides proof-of-concept that EHAD strength can be measured during the CAE with good test re-test reliability.

目的介绍一种在哥本哈根内收运动（CAE）中测量偏心髋内收肌（EHAD）力量的新方法，并探讨该方法的重测可靠性。DesignTest重测可靠性研究。20名男性运动员，年龄24±6岁，参加两次数据收集，间隔7±2天。在每次数据收集过程中，参与者用固定杠铃上挂着的脚踝带支撑腿部，进行三次CAE的最大努力重复。我们将一个市售的称重传感器串联在脚踝带上，以测量CAE偏心下降阶段以牛顿(N)为单位的峰值力。计算了EHAD强度测量的类内相关系数（ICC）、测量标准误差（SEM）、SEM占平均值的百分比（SEM%）和95%置信区间内的最小可检测变化（MDC95）。结果CAE期间测定的EHAD强度的重测信度较好(ICC = 0.84；sem % = 3.6%；MDC95 = 33 N)和非显性(ICC = 0.87；sem % = 3.3%；MDC95 = 29 N)腿。结论本研究提供了概念证明，EHAD强度可以在CAE期间测量，并且具有良好的测试重测信度。

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引用次数: 0

Less pain, same gain? A randomized controlled trial comparing assisted- versus non-assisted Nordic Hamstring exercise training in elite youth football players 更少的痛苦，同样的收获？一个随机对照试验比较辅助与非辅助北欧腿筋运动训练的精英青年足球运动员

IF 2.2 3区医学 Q1 REHABILITATION

Physical Therapy in Sport

Pub Date : 2025-03-03 DOI: 10.1016/j.ptsp.2025.02.007

Lasse Ishøi , Simon Meincke , Anders P. Lund , Anders Stenholm , Matt DeLang , Kasper Thornton , Kristian Thorborg

Introduction

The Nordic Hamstring exercise (NHE) increases hamstring strength, but muscle soreness and excessive fatigue may hinder adoption. The assisted NHE (A-NHE), with an elastic band around the chest lowering the force in the eccentric lowering phase, may be a less demanding alternative. We investigated the effectiveness of A-NHE versus NHE on hamstring strength, muscle soreness, and perceived exertion.

Methods

We randomized 31 youth elite football players (under-14 and -15) from a single professional football academy to either NHE or A-NHE, who performed the same supervised 8-week program. The A-NHE was performed with an elastic band, progressing from heavy to light assistance. A blinded tester assessed Nordic hamstring strength, while hamstring muscle soreness and perceived exertion were assessed during each session.

Results

Intention-to-treat analysis showed no group by time interaction (p = 0.61) for Nordic hamstring strength. Both groups improved significantly (A-NHE mean difference: 3.7 kg, 95% CI [2.1; 5.3]; NHE mean difference: 3.2 kg, 95% CI [1.2; 5.2]) corresponding to approximately 20%. The NHE group reported significantly higher hamstring muscle soreness (beta = 1.77, p < 0.01) and perceived exertion (beta = 1.54, p < 0.01).

Conclusion

Eight weeks of assisted-versus regular Nordic Hamstring training led to similar strength gains, but with lower hamstring muscle soreness and perceived exertion.

北欧腿筋运动（NHE）增加腿筋力量，但肌肉酸痛和过度疲劳可能会阻碍采用。辅助NHE （a -NHE）是一种要求较低的替代方法，在偏心性降低阶段，在胸部周围系一根松紧带来降低力。我们研究了A-NHE与NHE对腘绳肌力量、肌肉酸痛和感觉用力的有效性。方法我们将31名14岁以下和15岁以下的优秀青少年足球运动员随机分为NHE和a -NHE两组，他们进行了同样为期8周的监督项目。A-NHE是用橡皮筋进行的，从重辅助到轻辅助。一个盲法测试者评估北欧腘绳肌力量，而腘绳肌酸痛和感觉劳累在每次会议期间进行评估。结果意向-治疗分析显示北欧腘绳肌强度无时间交互作用组（p = 0.61）。两组均有显著改善(A-NHE平均差异：3.7 kg, 95% CI [2.1；5.3);NHE平均差值：3.2 kg, 95% CI [1.2；5.2])，约占20%。NHE组的腘绳肌酸痛程度显著高于对照组(β = 1.77, p <；0.01)和感觉劳累(β = 1.54, p <；0.01)。结论：与常规的北欧腘绳肌训练相比，8周的辅助训练导致了相似的力量增加，但下肢腘绳肌酸痛和感觉劳累。

{"title":"Less pain, same gain? A randomized controlled trial comparing assisted- versus non-assisted Nordic Hamstring exercise training in elite youth football players","authors":"Lasse Ishøi , Simon Meincke , Anders P. Lund , Anders Stenholm , Matt DeLang , Kasper Thornton , Kristian Thorborg","doi":"10.1016/j.ptsp.2025.02.007","DOIUrl":"10.1016/j.ptsp.2025.02.007","url":null,"abstract":"<div><h3>Introduction</h3><div>The Nordic Hamstring exercise (NHE) increases hamstring strength, but muscle soreness and excessive fatigue may hinder adoption. The assisted NHE (A-NHE), with an elastic band around the chest lowering the force in the eccentric lowering phase, may be a less demanding alternative. We investigated the effectiveness of A-NHE versus NHE on hamstring strength, muscle soreness, and perceived exertion.</div></div><div><h3>Methods</h3><div>We randomized 31 youth elite football players (under-14 and -15) from a single professional football academy to either NHE or A-NHE, who performed the same supervised 8-week program. The A-NHE was performed with an elastic band, progressing from heavy to light assistance. A blinded tester assessed Nordic hamstring strength, while hamstring muscle soreness and perceived exertion were assessed during each session.</div></div><div><h3>Results</h3><div>Intention-to-treat analysis showed no group by time interaction (p = 0.61) for Nordic hamstring strength. Both groups improved significantly (A-NHE mean difference: 3.7 kg, 95% CI [2.1; 5.3]; NHE mean difference: 3.2 kg, 95% CI [1.2; 5.2]) corresponding to approximately 20%. The NHE group reported significantly higher hamstring muscle soreness (beta = 1.77, p < 0.01) and perceived exertion (beta = 1.54, p < 0.01).</div></div><div><h3>Conclusion</h3><div>Eight weeks of assisted-versus regular Nordic Hamstring training led to similar strength gains, but with lower hamstring muscle soreness and perceived exertion.</div></div>","PeriodicalId":49698,"journal":{"name":"Physical Therapy in Sport","volume":"73 ","pages":"Pages 39-47"},"PeriodicalIF":2.2,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143576901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Exercise-induced hypoalgesia following blood flow restricted exercise 血流受限运动后的运动诱导痛觉减退

IF 2.2 3区医学 Q1 REHABILITATION

Physical Therapy in Sport

Pub Date : 2025-03-01 DOI: 10.1016/j.ptsp.2025.02.011

Christopher E. Proppe , Paola M. Rivera , Sean M. Lubiak , David H. Fukuda , Abigail W. Anderson , Hansen A. Mansy , Ethan C. Hill

Objectives

Assess the repeatability of exercise-induced hypoalgesia (EIH) following low-load resistance exercise with blood flow restriction (LL + BFR) and the magnitude of EIH following LL + BFR, high-load resistance exercise, and a control intervention 1-h after exercise.

Design

Crossover design.

Setting

University laboratory.

Participants

15 females, 15 males.

Main outcome measures

Pain pressure threshold and tolerance of the rectus femoris, gastrocnemius, and biceps brachii pre-exercise and 0-, 15-, 30-, 45-, and 60-min post-exercise.

Results

There was no significant (p = 0.211–0.741) difference in pain pressure threshold or tolerance between LL + BFR1 and LL + BFR2 suggesting that EIH following LL + BFR is repeatable. LL + BFR elicited a significant (p = 0.001–0.043) increase in local pain pressure threshold (1.57 ± 1.21–0.98 ± 1.48 Δkgf) and tolerance (1.98 ± 2.65–0.83 ± 2.15 Δkgf) up to 1-h post-exercise. High-load resistance exercise elicited a significant (p = 0.003–0.034) increase in pain pressure threshold 0-min post-exercise (1.69 ± 1.74 Δkgf) and tolerance 0- and 15-min post-exercise (2.31 ± 2.44 Δkgf; 0.56 ± 1.83 Δkgf, respectively) then returned to pre-exercise levels. LL + BFR elicited a significant (p = 0.025–0.046) increase in systemic pain pressure tolerance (0.77 ± 0.88 Δkgf) of the gastrocnemius as well as pain pressure threshold (0.53 ± 0.54 Δkgf) and tolerance (0.49 ± 1.02 Δkgf) of the biceps brachii, when collapsed across Time.

Conclusions

LL + BFR may be a repeatable, effective pain management intervention that can produce prolonged EIH.

目的评估低负荷阻力运动伴血流受限（LL + BFR）后运动诱发的低痛觉缺失（EIH）的可重复性，以及运动后1小时后LL + BFR、高负荷阻力运动和对照干预后EIH的程度。DesignCrossover设计。SettingUniversity实验室。参与者15名女性，15名男性。主要观察指标：运动前和运动后0、15、30、45和60分钟，股直肌、腓肠肌和肱二头肌的压力阈值和耐受性。结果LL + BFR1和LL + BFR2在疼痛压力阈值和耐受性方面无显著差异（p = 0.211 ~ 0.741），提示LL + BFR术后EIH具有可重复性。LL + BFR可显著（p = 0.001-0.043）提高局部痛压阈值（1.57±1.21-0.98±1.48 Δkgf）和耐受性（1.98±2.65-0.83±2.15 Δkgf）至运动后1小时。高负荷阻力运动引起运动后0分钟疼痛压力阈值（1.69±1.74 Δkgf）和运动后0和15分钟耐受性（2.31±2.44 Δkgf）显著（p = 0.003-0.034）增加；分别为0.56±1.83 Δkgf)，然后恢复到运动前的水平。随着时间的推移，LL + BFR引起腓肠肌的全身疼痛压力耐受性（0.77±0.88 Δkgf）以及肱二头肌的疼痛压力阈值（0.53±0.54 Δkgf）和耐受性（0.49±1.02 Δkgf）显著（p = 0.025-0.046）增加。结论sll + BFR可能是一种可重复、有效的疼痛管理干预，可产生延长的EIH。

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引用次数: 0