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Reliability of scapular position and periscapular muscle strength tests in healthy subjects with forward neck and rounded shoulder posture 前颈和圆肩姿势健康受试者肩胛位置和肩胛周围肌力测试的可靠性
IF 0.7 4区 医学 Q3 Health Professions Pub Date : 2024-01-08 DOI: 10.3233/ies-230161
Tae-Gyu Kim, Jun-Seok Kim, Haimin Zhang, Soo-Yong Kim
BACKGROUND: People with forward head posture (FHP) and rounded shoulder posture (RSP) may experience shifts in scapular position and alterations in the strength of the muscles surrounding the scapula. Therefore, a reliable scapula position and scapula muscle strength test are required to identified scapula problem and provided appropriate intervention programs. OBJECTIVE: This study aimed to determine the reliability of scapular position measurements obtained using a modified digital inclinometer and palpation meter, as well as muscle strength using a hand-held dynamometer (HHD) in individuals with FHP and RSP. METHODS: Thirty healthy subjects underwent scapular position tests (upward rotation, anterior tilt, depression, and protraction) and strength tests of periscapular muscles (serratus anterior, upper trapezius, middle trapezius, and lower trapezius) on both the dominant and non-dominant sides. The reliability of the measurements was confirmed by computing the intraclass correlation coefficient (ICC), standard error of measurement (SEM), and minimal clinically important difference (MCID). Test and re-tests were conducted over a period of one week and actual values for each measurement were also obtained and assessed. RESULTS: The ICC ranged from 0.802 to 0.935 for the scapular position tests and from 0.808 to 0.949 for muscle strength tests on the dominant and non-dominant sides. For scapular position tests, SEM values ranged from 0.3 cm to 0.6 cm (protraction and depression), from 1.0∘ to 1.7∘ (upward rotation and anterior tilt) and MCID values ranged from 0.7 cm to 1.6 cm (protraction and depression), from 2.8∘ to 4.7∘ (upward rotation and anterior tilt). Regarding muscle strength tests, SEM and MCID values were in the range 14.4N–27.3N and 39.9N–75.7N, respectively. CONCLUSIONS: Scapular position and periscapular muscle strength can be reproducibly measured in healthy subjects individuals with FHP and RSP. These instruments can hence be recommended for evaluating these functional traits in subjects with FHP and RSP.
背景:前头姿势(FHP)和圆肩姿势(RSP)患者可能会出现肩胛骨位置移动和肩胛骨周围肌肉力量改变的情况。因此,需要进行可靠的肩胛骨位置和肩胛骨肌肉力量测试,以确定肩胛骨问题并提供适当的干预方案。目的:本研究旨在确定使用改良型数字倾斜仪和触诊计测量肩胛骨位置的可靠性,以及使用手持式测力计(HHD)测量FHP和RSP患者肌肉力量的可靠性。方法:30 名健康受试者接受了肩胛位置测试(上旋、前倾、下陷和前伸)和优势侧与非优势侧肩胛周围肌肉(前锯肌、斜方肌上部、斜方肌中部和斜方肌下部)的力量测试。通过计算类内相关系数 (ICC)、测量标准误差 (SEM) 和最小临床重要差异 (MCID) 确认了测量的可靠性。在一周内进行了测试和复测,并获得和评估了每次测量的实际值。结果:肩胛位置测试的 ICC 为 0.802 至 0.935,优势侧和非优势侧肌肉力量测试的 ICC 为 0.808 至 0.949。在肩胛位置测试中,SEM值范围为0.3厘米至0.6厘米(前伸和下垂)、1.0∘至1.7∘(上旋和前倾),MCID值范围为0.7厘米至1.6厘米(前伸和下垂)、2.8∘至4.7∘(上旋和前倾)。在肌力测试方面,SEM 和 MCID 值范围分别为 14.4N-27.3N 和 39.9N-75.7N。结论:可以对健康受试者的肩胛位置和肩胛周围肌力进行重复性测量。因此,建议使用这些工具对 FHP 和 RSP 患者的这些功能特征进行评估。
{"title":"Reliability of scapular position and periscapular muscle strength tests in healthy subjects with forward neck and rounded shoulder posture","authors":"Tae-Gyu Kim, Jun-Seok Kim, Haimin Zhang, Soo-Yong Kim","doi":"10.3233/ies-230161","DOIUrl":"https://doi.org/10.3233/ies-230161","url":null,"abstract":"BACKGROUND: People with forward head posture (FHP) and rounded shoulder posture (RSP) may experience shifts in scapular position and alterations in the strength of the muscles surrounding the scapula. Therefore, a reliable scapula position and scapula muscle strength test are required to identified scapula problem and provided appropriate intervention programs. OBJECTIVE: This study aimed to determine the reliability of scapular position measurements obtained using a modified digital inclinometer and palpation meter, as well as muscle strength using a hand-held dynamometer (HHD) in individuals with FHP and RSP. METHODS: Thirty healthy subjects underwent scapular position tests (upward rotation, anterior tilt, depression, and protraction) and strength tests of periscapular muscles (serratus anterior, upper trapezius, middle trapezius, and lower trapezius) on both the dominant and non-dominant sides. The reliability of the measurements was confirmed by computing the intraclass correlation coefficient (ICC), standard error of measurement (SEM), and minimal clinically important difference (MCID). Test and re-tests were conducted over a period of one week and actual values for each measurement were also obtained and assessed. RESULTS: The ICC ranged from 0.802 to 0.935 for the scapular position tests and from 0.808 to 0.949 for muscle strength tests on the dominant and non-dominant sides. For scapular position tests, SEM values ranged from 0.3 cm to 0.6 cm (protraction and depression), from 1.0∘ to 1.7∘ (upward rotation and anterior tilt) and MCID values ranged from 0.7 cm to 1.6 cm (protraction and depression), from 2.8∘ to 4.7∘ (upward rotation and anterior tilt). Regarding muscle strength tests, SEM and MCID values were in the range 14.4N–27.3N and 39.9N–75.7N, respectively. CONCLUSIONS: Scapular position and periscapular muscle strength can be reproducibly measured in healthy subjects individuals with FHP and RSP. These instruments can hence be recommended for evaluating these functional traits in subjects with FHP and RSP.","PeriodicalId":54915,"journal":{"name":"Isokinetics and Exercise Science","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2024-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139629132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
The relationship between muscle strength and quality with functional performance in women mid- to long-term after Roux-en-Y gastric bypass Roux-en-Y胃旁路术后中长期妇女肌肉力量和质量与功能表现的关系
IF 0.7 4区 医学 Q3 Health Professions Pub Date : 2023-12-16 DOI: 10.3233/ies-230024
Gustavo N. Gomes, Marvery P. Duarte, Martim Bottaro, Fernando Lamarca, Mariana Melendez, Kênia M.B. Carvalho, Eliane S. Dutra, Ricardo M. Lima
BACKGROUND: The reduction of muscle mass and strength commonly observed after bariatric surgery might negatively affect the individual physical function. Muscle quality is also of functional relevance in different populations, but its significance in patients who underwent bariatric surgery has yetto be explored. OBJECTIVE: To examine the association between muscle strength and quality with physical function in women mid- to long-term after Roux-en-Y gastroplasty (RYGB). METHODS: In this cross-sectional study, 133 women (43.7± 9.9 years) who have undergone RYGB at least two years before the study were included. All participants underwent body composition evaluation using DEXA and knee extensors peak moment (PM) using an isokinetic dynamometer. Muscle quality (MQ) was obtained through the ratio between absolute PM and dominant leg fat-free mass. Physical function was measured through the 30-second sit-to-stand (30-STS), 6-minute walking (6-MWT), and timed up-and-go (TUG) tests. RESULTS: Differences between PM tertiles were observed for 30-STS and 6-MWT tests. However, statistical significance disappeared when adjusting for age. Regarding PM relative to body weight, all functional tests were significantly different between tertiles. Comparing functional performance according to MQ tertiles, differences were found for 30-STS and 6-MWT tests, but significance disappeared when adjusting for age. Absolute PM was correlated to the 30-STS performance and 6-MWT, while PM relative to body mass and MQ were correlated with all functional tests. CONCLUSIONS: Muscle strength and quality seem to be associated with physical function in women mid-to-long-term after RYGB, but strength relative to bodyweight outperformed absolute strength and MQ.
背景:减肥手术后通常会出现肌肉质量和力量下降的情况,这可能会对个人的身体功能产生负面影响。肌肉质量在不同人群中也具有功能相关性,但其在减肥手术患者中的重要性还有待探索。目的:研究鲁-恩-Y 胃成形术(RYGB)后中长期女性肌肉力量和质量与身体功能之间的关系。方法:在这项横断面研究中,共纳入了 133 名女性(43.7± 9.9 岁),她们在研究前至少两年接受过 RYGB 术。所有参与者都接受了使用 DEXA 进行的身体成分评估和使用等速测力计进行的膝关节伸肌峰值力矩(PM)评估。肌肉质量(MQ)通过PM绝对值与优势腿部无脂肪质量之间的比率得出。身体功能通过 30 秒坐立(30-STS)、6 分钟步行(6-MWT)和定时起立行走(TUG)测试进行测量。结果:在 30-STS 和 6-MWT 测试中观察到 PM tertiles 之间存在差异。然而,在对年龄进行调整后,统计学意义消失了。至于 PM 相对于体重,所有功能测试在不同分层之间均有显著差异。根据 MQ 分层比较功能表现,发现 30-STS 和 6-MWT 测试存在差异,但在调整年龄后,差异不明显。绝对 PM 与 30-STS 性能和 6-MWT 相关,而相对于体重和 MQ 的 PM 则与所有功能测试相关。结论:肌肉力量和质量似乎与 RYGB 术后中长期女性的身体功能有关,但相对于体重的力量优于绝对力量和 MQ。
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引用次数: 0
The effects of thoracic mobility versus lumbopelvic stabilization exercises on lower extremity flexibility, dynamic balance and proprioception in patients with chronic ankle instability 胸廓运动与腰椎稳定运动对慢性踝关节不稳定患者下肢灵活性、动态平衡和本体感觉的影响
IF 0.7 4区 医学 Q3 Health Professions Pub Date : 2023-12-16 DOI: 10.3233/ies-230093
Ecem Nur Takındı, Elif Tuğçe Çil
BACKGROUND: Chronic ankle instability (CAI) presents neuromuscular control and functional performance difficulties. Although ankle-focused rehabilitation is widely practised, the relative effects of exercises targeting thoracic mobility and lumbopelvic stabilization in addressing CAI have not been thoroughly investigated. OBJECTIVE: The study aims to compare the effects of thoracic mobility and lumbopelvic stabilization exercises in patients with CAI. METHODS: The study was designed as a prospective randomized controlled clinical trial. A total of 30 participants (mean age = 31.93 ± 7.31; 21F/9M) who scored 27 points or on the Cumberland ankle instability tool voluntarily were enrolled in the study. The participants were randomly divided into two groups. In addition to the rehabilitation protocols, each participant was given a home exercise program, including ankle-strengthening exercises (3 times a week). The first group trained with thoracic mobility (TM), while the second group did lumbopelvic stabilization (LS) exercises under supervision twice a week for eight weeks. Participants’ pre and post-treatment assessments spanned an 8-week rehabilitation period, during which ankle and hip joint range of motion measurements were obtained using an electronic goniometer. Additionally, dynamic balance was assessed through the Y balance test, while ankle proprioception was evaluated using joint position sense measurements. The flexibility was assessed with an active straight leg raise test. RESULTS: Y balance, CAIT, and active straight leg raise test scores were improved in the eighth week in the thoracic mobility group (p< 0.05), while only active straight leg raise test and CAIT scores were significantly different in the lumbopelvic stabilization group (p< 0.05) according to intra group variables. In comparing the post-treatment scores between the groups, the thoracic mobility group had superior results in the joint position sense test for the right side of the hip and plantarflexion. (hip; TM: 70.71 ± 6.80, LS: 68.76 ± 5.50, plantarflexion; TM: 44.24 ± 7.28, LS: 38.30 ± 5.08). CONCLUSION: The findings suggest that while both interventions are effective in addressing various aspects of ankle instability, the thoracic mobility exercises may offer additional benefits, particularly in enhancing joint position sense, thereby providing valuable insights for the optimization of rehabilitation protocols for individuals with chronic ankle instability.
背景:慢性踝关节不稳定(CAI)给神经肌肉控制和功能表现带来困难。虽然以踝关节为重点的康复训练已被广泛采用,但针对胸廓活动度和腰椎稳定的训练在解决 CAI 方面的相对效果尚未得到深入研究。目的:本研究旨在比较胸廓活动度锻炼和腰椎稳定锻炼对 CAI 患者的影响。方法:该研究设计为前瞻性随机对照临床试验。共有 30 名参与者(平均年龄 = 31.93 ± 7.31;21 名女性/9 名男性)自愿参加研究,他们在坎伯兰踝关节不稳定性工具中得到 27 分或以上。参与者被随机分为两组。除康复方案外,每位参与者还接受了家庭锻炼计划,包括踝关节强化训练(每周 3 次)。第一组进行胸廓活动度(TM)训练,第二组在指导下进行腰椎稳定(LS)训练,每周两次,持续八周。在为期 8 周的康复期中,对参与者进行了治疗前和治疗后评估,期间使用电子动态关节角度计测量了踝关节和髋关节的活动范围。此外,还通过 Y 平衡测试评估了动态平衡,并通过关节位置感测量评估了踝关节本体感觉。灵活性通过主动直腿抬高测试进行评估。结果:根据组内变量,胸廓活动度组的 Y 平衡、CAIT 和主动直腿抬高测试评分在第八周有所提高(P< 0.05),而腰椎稳定组只有主动直腿抬高测试和 CAIT 评分有显著差异(P< 0.05)。比较各组的治疗后评分,胸廓活动度组在右侧髋关节和跖屈的关节位置感测试中成绩更优。(髋关节;TM:70.71 ± 6.80,LS:68.76 ± 5.50,跖屈;TM:44.24 ± 7.28,LS:38.30 ± 5.08)。结论:研究结果表明,虽然两种干预方法都能有效解决踝关节不稳的各方面问题,但胸廓活动度练习可能会带来更多益处,尤其是在增强关节位置感方面,从而为优化慢性踝关节不稳患者的康复方案提供有价值的见解。
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引用次数: 0
The effect of concurrent high-intensity interval training and resistance training on the lower body maximal strength and explosive power: A updated systematic review and meta-analysis 同时进行高强度间歇训练和阻力训练对下半身最大力量和爆发力的影响:最新系统回顾和荟萃分析
IF 0.7 4区 医学 Q3 Health Professions Pub Date : 2023-12-16 DOI: 10.3233/ies-230082
Yonghui Chen, Xinmiao Feng, Lanmin Huang, Jing Mi
BACKGROUND: Endurance training can have a negative impact on strength training and may lead to reduced strength gains, known as the interference effect. However, high-intensity interval training (HIIT) as an endurance training mode may reduce this interference effect. OBJECTIVE: This systematic review and meta-analysis aim to investigate the effects of concurrent HIIT and resistance training (RT) on lower body explosive strength and maximum strength. METHODS: Five electronic databases were searched. Subgroup analyses were performed to assess the effects of HIIT modality, training status, and training duration on strength development following concurrent HIIT and RT. RESULTS: Meta-analysis showed that compared to RT alone, concurrent HIIT and RT will not affect the development of countermovement jump (CMJ) (WMD =-0.17, 95%CI =-1.45 to -1.11) and half squat (WMD =-0.05, 95%CI =-2.42 to 2.32). Further, subgroup analysis revealed that HIIT-running workout was conducive to the development of both CMJ and half squat. Longer training duration was found to be more effective in developing CMJ, while shorter training duration was more suitable for developing half squat. Additionally, athletes showed greater improvement than non-athletes. CONCLUSIONS: Combining HIIT and RT can enhance CMJ and half squat. The results of intervention are moderated by training variables and training status.
背景:耐力训练会对力量训练产生负面影响,并可能导致力量收益减少,这就是所谓的干扰效应。然而,高强度间歇训练(HIIT)作为一种耐力训练模式可能会减少这种干扰效应。目的:本系统综述和荟萃分析旨在研究同时进行 HIIT 和阻力训练(RT)对下半身爆发力和最大力量的影响。方法:检索了五个电子数据库。进行了分组分析,以评估同时进行 HIIT 和 RT 后,HIIT 方式、训练状态和训练持续时间对力量发展的影响。结果:元分析表明,与单独进行 RT 相比,同时进行 HIIT 和 RT 不会影响反向运动跳(CMJ)(WMD =-0.17,95%CI =-1.45 至-1.11)和半蹲(WMD =-0.05,95%CI =-2.42 至 2.32)的发展。此外,亚组分析显示,HIIT-跑步训练有利于CMJ和半蹲的发展。较长的训练时间对发展CMJ更有效,而较短的训练时间则更适合发展半蹲。此外,运动员比非运动员的进步更大。结论:结合 HIIT 和 RT 可以增强 CMJ 和半蹲能力。干预结果受训练变量和训练状态的影响。
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引用次数: 0
Effects of non-elastic taping on the kinematics of the lower extremities during overhead squat in subjects with dynamic knee valgus 非弹性绑带对动态膝外翻受试者下蹲时下肢运动学的影响
IF 0.7 4区 医学 Q3 Health Professions Pub Date : 2023-12-16 DOI: 10.3233/ies-230080
Won-Young Park, Dong-Yun Bae, Da-In An, Jong-Chul Jung, Go-Eun Choi, Hye-Lyeong Yun, Yong-Il Shin, Jun-Seok Kim, Soo-Yong Kim
BACKGROUD: The control of hip and ankle joint movement is important for patients with dynamic knee valgus (DKV), but few studies have used non-elastic taping (NET) to adjust alignment of the hip and ankle joints during overhead squat (OHS) simultaneously in patients with DKV. OBJECTIVE: We investigated changes in lower extremity joint kinematics and dynamic balance after the application of NET to the hip and ankle joints during OHS. METHODS: A total of 30 DKV patients participated in this study. We determined the kinematics of the hip, knee, and ankle joints, and scores on the lower quarter Y-balance test (YBT-LQ) during OHS under three conditions (non-taping, NET on hip and ankle, and sham taping). RESULTS: Hip internal rotation, knee valgus, and the ankle dorsiflexion angle were significantly lower with NET than with non- or sham taping. The hip flexion angle and scores on the YBT-LQ were significantly greater with NET than with non- or sham taping. CONCLUSIONS: The application of NET while performing a OHS is a useful method for correcting lower extremity alignment in patients with DKV, however, application of NET on the ankle should be considered.
背景:控制髋关节和踝关节的运动对动态膝外翻(DKV)患者非常重要,但很少有研究使用非弹性绑带(NET)来调整 DKV 患者在高抬腿深蹲(OHS)时髋关节和踝关节的对齐情况。目的:我们研究了在 OHS 期间对髋关节和踝关节应用非弹性绑带后下肢关节运动学和动态平衡的变化。方法:共有 30 名 DKV 患者参与了这项研究。我们测定了髋关节、膝关节和踝关节的运动学特性,以及 OHS 期间在三种条件下(未绑带、髋关节和踝关节上绑带 NET 以及假绑带)进行的下四分位 Y 平衡测试(YBT-LQ)的得分。结果:髋关节内旋、膝关节外翻和踝关节背屈角度在 NET 下明显低于未绑带或假绑带。敷贴 NET 后,髋关节屈曲角度和 YBT-LQ 得分明显高于未敷贴或假敷贴。结论:在进行 OHS 时应用 NET 是纠正 DKV 患者下肢对齐的有效方法,但应考虑在踝关节上应用 NET。
{"title":"Effects of non-elastic taping on the kinematics of the lower extremities during overhead squat in subjects with dynamic knee valgus","authors":"Won-Young Park, Dong-Yun Bae, Da-In An, Jong-Chul Jung, Go-Eun Choi, Hye-Lyeong Yun, Yong-Il Shin, Jun-Seok Kim, Soo-Yong Kim","doi":"10.3233/ies-230080","DOIUrl":"https://doi.org/10.3233/ies-230080","url":null,"abstract":"BACKGROUD: The control of hip and ankle joint movement is important for patients with dynamic knee valgus (DKV), but few studies have used non-elastic taping (NET) to adjust alignment of the hip and ankle joints during overhead squat (OHS) simultaneously in patients with DKV. OBJECTIVE: We investigated changes in lower extremity joint kinematics and dynamic balance after the application of NET to the hip and ankle joints during OHS. METHODS: A total of 30 DKV patients participated in this study. We determined the kinematics of the hip, knee, and ankle joints, and scores on the lower quarter Y-balance test (YBT-LQ) during OHS under three conditions (non-taping, NET on hip and ankle, and sham taping). RESULTS: Hip internal rotation, knee valgus, and the ankle dorsiflexion angle were significantly lower with NET than with non- or sham taping. The hip flexion angle and scores on the YBT-LQ were significantly greater with NET than with non- or sham taping. CONCLUSIONS: The application of NET while performing a OHS is a useful method for correcting lower extremity alignment in patients with DKV, however, application of NET on the ankle should be considered.","PeriodicalId":54915,"journal":{"name":"Isokinetics and Exercise Science","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2023-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139177213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Self-rated flexibility significantly reflects the hip flexibility, but not the ankle flexibility 自我评定的柔韧性能明显反映髋关节的柔韧性,但不能反映踝关节的柔韧性
IF 0.7 4区 医学 Q3 Health Professions Pub Date : 2023-12-02 DOI: 10.3233/ies-230081
Wootaek Lim
BACKGROUND: Many studies have reported that exercise increases physical flexibility; however, no study has verified whether patients perceive an increase in physical flexibility after exercise. OBJECTIVE: This study investigates the correlations between increased duration of exercise and the self-rated flexibility (SRF) and those between the SRF and quantitative flexibility. Variations in the SRF between males and females were also investigated. METHODS: The SRF of the hip (S-Hip) and ankle (S-Ankle) were rated by participants who completed a questionnaire. The range of motion of the hip (M-Hip) and ankle (M-Ankle) were measured using the straight leg raise test and dorsiflexion, respectively. RESULTS: No significant correlation between exercise duration and S-Hip and S-Ankle were identified. S-Hip and S-Ankle (p< 0.001) and S-Hip and M-Hip (p< 0.001) were significantly correlated, though S-Ankle and M-Ankle were not (p= 0.660). The exercise duration, S-Hip, and S-Ankle were not significantly different between males and females. CONCLUSIONS: Given the significant correlation between hip flexibility and SRF and no gender effect, SRF may serve as a useful clinical indicator.
背景:许多研究报告称,运动可增加身体柔韧性;但是,还没有研究证实患者在运动后是否感觉到身体柔韧性的增加。目的:本研究调查了运动时间的延长与自评柔韧性(SRF)之间的相关性,以及 SRF 与定量柔韧性之间的相关性。此外,还调查了男性和女性之间 SRF 的差异。方法:参与者填写问卷,对髋关节(S-Hip)和踝关节(S-Ankle)的 SRF 进行评分。髋关节(M-Hip)和踝关节(M-Ankle)的活动范围分别通过直腿抬高测试和背伸进行测量。结果:运动持续时间与 S-Hip 和 S-Ankle 之间无明显相关性。S-Hip 和 S-Ankle (p< 0.001) 以及 S-Hip 和 M-Hip (p< 0.001) 显著相关,但 S-Ankle 和 M-Ankle 不相关 (p=0.660)。男性和女性的运动持续时间、S-髋关节和 S-踝关节没有明显差异。结论:鉴于髋关节柔韧性与 SRF 之间存在明显相关性,且无性别影响,SRF 可作为一项有用的临床指标。
{"title":"Self-rated flexibility significantly reflects the hip flexibility, but not the ankle flexibility","authors":"Wootaek Lim","doi":"10.3233/ies-230081","DOIUrl":"https://doi.org/10.3233/ies-230081","url":null,"abstract":"BACKGROUND: Many studies have reported that exercise increases physical flexibility; however, no study has verified whether patients perceive an increase in physical flexibility after exercise. OBJECTIVE: This study investigates the correlations between increased duration of exercise and the self-rated flexibility (SRF) and those between the SRF and quantitative flexibility. Variations in the SRF between males and females were also investigated. METHODS: The SRF of the hip (S-Hip) and ankle (S-Ankle) were rated by participants who completed a questionnaire. The range of motion of the hip (M-Hip) and ankle (M-Ankle) were measured using the straight leg raise test and dorsiflexion, respectively. RESULTS: No significant correlation between exercise duration and S-Hip and S-Ankle were identified. S-Hip and S-Ankle (p< 0.001) and S-Hip and M-Hip (p< 0.001) were significantly correlated, though S-Ankle and M-Ankle were not (p= 0.660). The exercise duration, S-Hip, and S-Ankle were not significantly different between males and females. CONCLUSIONS: Given the significant correlation between hip flexibility and SRF and no gender effect, SRF may serve as a useful clinical indicator.","PeriodicalId":54915,"journal":{"name":"Isokinetics and Exercise Science","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2023-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138985674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Regional hypertrophy of muscle cannot be predicted by surface electromyography 表面肌电图无法预测肌肉的区域性肥大
IF 0.7 4区 医学 Q3 Health Professions Pub Date : 2023-12-01 DOI: 10.3233/ies-230079
Aitor Zabaleta-Korta, Unai Latorre-Erezuma, Eneko Fernández-Peña, Jon Torres-Unda, Jordan Santos-Concejero
BACKGROUND: In the last decades, emerging evidence has shown that muscle growth is not homogeneous along a muscle head. This phenomenon is known as regional muscle hypertrophy and has led to several questions regarding the implications it may have for health and sports performance. OBJECTIVE: The aim of this study was to determine whether regional hypertrophy can be predicted by surface electromyography (sEMG). METHODS: 36 participants performed two arm exercises (preacher curls and inclined curls) in a random order to muscle failure at 70% of the 1 RM of the bicep curl exercise. As every participant performed a different number of repetitions, Peak sEMG and the integral of the sEMG of the last 3 repetitions was analyzed an compared to previously performed maximal voluntary isometric contractions (MVIC). RESULTS: The independent sample t-tests showed no significant differences neither in the peak nor in the integral of the sEMG between exercises for any given region. CONCLUSIONS: sEMG cannot be used to predict regional hypertrophy.
背景:在过去几十年中,新出现的证据表明,肌肉的生长并不是沿着肌肉头均匀分布的。这种现象被称为区域性肌肉肥大,并引发了一些有关其对健康和运动表现的影响的问题。目的:本研究旨在确定区域性肌肉肥大是否可通过表面肌电图(sEMG)进行预测。方法:36 名参与者以随机顺序进行了两种手臂练习(垫高卷曲和倾斜卷曲),在二头肌卷曲练习的 70% 1 RM 时达到肌肉衰竭。由于每位参与者的重复次数不同,因此对最后 3 次重复的峰值 sEMG 和 sEMG 积分进行了分析,并与之前进行的最大自主等长收缩(MVIC)进行了比较。结果:独立样本 t 检验显示,在不同练习中,任何特定区域的 sEMG 峰值和积分均无明显差异。结论:sEMG 不能用于预测区域肥大。
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引用次数: 0
Do judokas present differences between upper limbs for the concentric strength of the internal and external rotators of the shoulder? 柔道运动员的上肢在肩部内外旋肌的同心力量方面是否存在差异?
IF 0.7 4区 医学 Q3 Health Professions Pub Date : 2023-11-30 DOI: 10.3233/ies-230073
E. Aedo-Muñoz, C. Brito, Pablo Merino Muñoz, O. T. Nóbrega, B. Miarka, Matias Gonzalez Valenzuela, David Arriagada-Tarifeño
BACKGROUND: Long-time judo training can lead athletes to develop upper limb asymmetry and shoulder asymmetry during force production, mainly in the action of pulling, pushing, and throwing; that requires higher strength and velocity of the internal and external rotators of the shoulders, which may also result in shoulder injury, or a decrease in judo performance. OBJECTIVE: To investigate asymmetries in concentric force of the internal and external shoulder rotators of the dominant and non-dominant upper limbs in high-level judokas at angular velocities of 60, 180, and 300∘/s. METHODS: 14 highly trained male judokas (age 24.4 ± 4.8 yrs.; body mass 87.9 ± 18.7 kg; height 1.8 ± 0.1 m). All participants performed 5 attempts of movement concentric internal and external rotation of the shoulder with 3 angular velocities (60∘/s, 180∘/s, and 300∘/s) in an isokinetic dynamometer (Cybex® Humac Norm Dynamometer CSMI, model 502140). The data were analyzed by independent t-student (discrete analysis) a statistical parametric mapping (SPM) curve (one-dimensional analysis). There was no difference in dominant vs. non-dominant for discrete analysis (p> 0.05). There was no difference in dominant vs. non-dominant for SPM analysis. None of the comparisons surpassed the comparison cut-off (tcrit) for the t-test (p> 0.05). CONCLUSIONS: Based on results, judokas do not present significant asymmetries in concentric force of external or internal shoulder rotators when compared to the dominant vs. the non-dominant upper limb according to discrete and one-dimensional (SPM) analysis.
背景:长期的柔道训练会导致运动员在发力时出现上肢不对称和肩部不对称,主要表现在拉、推和投掷动作中;这对肩部内外旋肌的力量和速度要求较高,也可能导致肩部损伤或柔道成绩下降。目的:研究高水平柔道运动员在角速度为 60、180 和 300∘/秒时,优势上肢和非优势上肢肩部内外旋肌同心力量的不对称性。方法:14 名训练有素的男性柔道运动员(年龄 24.4 ± 4.8 岁;体重 87.9 ± 18.7 千克;身高 1.8 ± 0.1 米)。所有参与者均在等速测力计(Cybex® Humac Norm 测力计 CSMI,型号 502140)上以 3 种角速度(60∘/s、180∘/s 和 300∘/s)进行了 5 次肩部同心内旋和外旋运动。数据采用独立 t-学生(离散分析)和统计参数映射(SPM)曲线(一维分析)进行分析。在离散分析中,优势与非优势没有差异(P> 0.05)。在 SPM 分析中,优势与非优势没有差异。所有比较均未超过 t 检验的比较临界值(tcrit)(p> 0.05)。结论:根据离散和一维(SPM)分析结果,柔道运动员与优势上肢和非优势上肢相比,肩关节外旋肌或内旋肌的同心力没有明显的不对称性。
{"title":"Do judokas present differences between upper limbs for the concentric strength of the internal and external rotators of the shoulder?","authors":"E. Aedo-Muñoz, C. Brito, Pablo Merino Muñoz, O. T. Nóbrega, B. Miarka, Matias Gonzalez Valenzuela, David Arriagada-Tarifeño","doi":"10.3233/ies-230073","DOIUrl":"https://doi.org/10.3233/ies-230073","url":null,"abstract":"BACKGROUND: Long-time judo training can lead athletes to develop upper limb asymmetry and shoulder asymmetry during force production, mainly in the action of pulling, pushing, and throwing; that requires higher strength and velocity of the internal and external rotators of the shoulders, which may also result in shoulder injury, or a decrease in judo performance. OBJECTIVE: To investigate asymmetries in concentric force of the internal and external shoulder rotators of the dominant and non-dominant upper limbs in high-level judokas at angular velocities of 60, 180, and 300∘/s. METHODS: 14 highly trained male judokas (age 24.4 ± 4.8 yrs.; body mass 87.9 ± 18.7 kg; height 1.8 ± 0.1 m). All participants performed 5 attempts of movement concentric internal and external rotation of the shoulder with 3 angular velocities (60∘/s, 180∘/s, and 300∘/s) in an isokinetic dynamometer (Cybex® Humac Norm Dynamometer CSMI, model 502140). The data were analyzed by independent t-student (discrete analysis) a statistical parametric mapping (SPM) curve (one-dimensional analysis). There was no difference in dominant vs. non-dominant for discrete analysis (p> 0.05). There was no difference in dominant vs. non-dominant for SPM analysis. None of the comparisons surpassed the comparison cut-off (tcrit) for the t-test (p> 0.05). CONCLUSIONS: Based on results, judokas do not present significant asymmetries in concentric force of external or internal shoulder rotators when compared to the dominant vs. the non-dominant upper limb according to discrete and one-dimensional (SPM) analysis.","PeriodicalId":54915,"journal":{"name":"Isokinetics and Exercise Science","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139197555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
The effects of dumbbell versus TRX suspension training on shoulder strength, vertical jump, and spike speed in volleyball players 哑铃与 TRX 悬挂训练对排球运动员肩部力量、垂直跳跃和扣球速度的影响
IF 0.7 4区 医学 Q3 Health Professions Pub Date : 2023-11-28 DOI: 10.3233/ies-230001
Soner Ozdamar, A. Agopyan, Selda Uzun
BACKGROUND: Limited research exists on how various resistance training methods, such as TRX and dumbbells, impact sport-specific technical skills and muscle performance in young athletes. OBJECTIVE: This study aimed to compare the effects of 8-week Total-Body Resistance Exercise (TRX) suspension training and Traditional Dumbbell Training (TDT) on shoulder muscle strength, leg power, and spike speed in young male volleyball players. METHODS: Twenty-five male volleyball players were randomly assigned to either the TRX suspension group (n= 13) or the TDT group (n= 12). Anthropometric measures, countermovement jump (CMJ) height, spike speed, and shoulder joint isokinetic strength tests were conducted pre- and post-intervention. Both groups continued their volleyball training (5 days/week) and added TRX or TDT sessions for 2 months (60–90 minutes/day, 3 times/week), including 8 multi-joint exercises (1–3 sets/12 reps, 60 min rest). Statistical analysis involved Mann-Whitney and Wilcoxon tests, with effect size calculations. RESULTS: Compared to the TDT group, the TRX group showed significant improvements in CMJ height (+12.17% vs. +0.83%; p= 0.001), CMJ power (+9.55% vs. -0.24 %; p= 0.01), and spike speed (+11.49% vs. +6.82%; p= 0.03) with a small to moderate effect size. CONCLUSIONS: In young male volleyball players, TRX suspension training may be more effective than dumbbell training in enhancing jump performance and spike speed.
背景:关于 TRX 和哑铃等各种阻力训练方法如何影响年轻运动员的特定运动技术技能和肌肉表现的研究有限。目的:本研究旨在比较为期 8 周的全身阻力训练(TRX)悬吊训练和传统哑铃训练(TDT)对年轻男排运动员肩部肌肉力量、腿部力量和扣球速度的影响。方法:25 名排球男运动员被随机分配到 TRX 悬挂训练组(13 人)或 TDT 训练组(12 人)。在干预前后分别进行人体测量、反运动跳跃(CMJ)高度、扣球速度和肩关节等动肌力测试。两组均继续进行排球训练(5 天/周),并增加 TRX 或 TDT 训练,为期 2 个月(60-90 分钟/天,3 次/周),包括 8 个多关节练习(1-3 组/12 次,休息 60 分钟)。统计分析包括 Mann-Whitney 和 Wilcoxon 检验以及效应大小计算。结果:与TDT组相比,TRX组在CMJ高度(+12.17% vs. +0.83%;p= 0.001)、CMJ力量(+9.55% vs. -0.24%;p= 0.01)和扣杀速度(+11.49% vs. +6.82%;p= 0.03)方面均有显著改善,效果大小为小到中等。结论:对于年轻男子排球运动员来说,TRX 悬吊训练在提高跳跃成绩和扣球速度方面可能比哑铃训练更有效。
{"title":"The effects of dumbbell versus TRX suspension training on shoulder strength, vertical jump, and spike speed in volleyball players","authors":"Soner Ozdamar, A. Agopyan, Selda Uzun","doi":"10.3233/ies-230001","DOIUrl":"https://doi.org/10.3233/ies-230001","url":null,"abstract":"BACKGROUND: Limited research exists on how various resistance training methods, such as TRX and dumbbells, impact sport-specific technical skills and muscle performance in young athletes. OBJECTIVE: This study aimed to compare the effects of 8-week Total-Body Resistance Exercise (TRX) suspension training and Traditional Dumbbell Training (TDT) on shoulder muscle strength, leg power, and spike speed in young male volleyball players. METHODS: Twenty-five male volleyball players were randomly assigned to either the TRX suspension group (n= 13) or the TDT group (n= 12). Anthropometric measures, countermovement jump (CMJ) height, spike speed, and shoulder joint isokinetic strength tests were conducted pre- and post-intervention. Both groups continued their volleyball training (5 days/week) and added TRX or TDT sessions for 2 months (60–90 minutes/day, 3 times/week), including 8 multi-joint exercises (1–3 sets/12 reps, 60 min rest). Statistical analysis involved Mann-Whitney and Wilcoxon tests, with effect size calculations. RESULTS: Compared to the TDT group, the TRX group showed significant improvements in CMJ height (+12.17% vs. +0.83%; p= 0.001), CMJ power (+9.55% vs. -0.24 %; p= 0.01), and spike speed (+11.49% vs. +6.82%; p= 0.03) with a small to moderate effect size. CONCLUSIONS: In young male volleyball players, TRX suspension training may be more effective than dumbbell training in enhancing jump performance and spike speed.","PeriodicalId":54915,"journal":{"name":"Isokinetics and Exercise Science","volume":null,"pages":null},"PeriodicalIF":0.7,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139219149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Isokinetic testing protocol-based discharge criteria after anterior ligament reconstruction: A systematic review 前韧带重建后基于等速测试方案的出院标准:系统回顾
4区 医学 Q3 Health Professions Pub Date : 2023-10-05 DOI: 10.3233/ies-220103
Ana Carolina de Jacomo Claudio, Luana Zava Ribeiro da Silva, Laís Gobbo Fonseca, Caroline Coletti de Camargo, Aryane Flauzino Machado, Jessica Kirsch Micheletti, Berlis Ribeiro dos Santos Menossi
BACKGROUND: The return to activities and sports after the anterior cruciate ligament (ACL) reconstruction is a critical decision. OBJECTIVE: To verify the most used elements during the isokinetic evaluation for discharge after ACL reconstruction. METHODS: Systematic review (PROSPERO CRD42021224433). Research in the literature: PubMed, Medline, SciELO, Lilacs, CENTRAL, PEDro, Web of Science and Embase, in February 2022. Studies that performed isokinetic evaluation during the discharge period in male patients aged 18 to 59 years after ACL reconstruction. Descriptive synthesis on the most used parameters during isokinetic evaluation as a discharge criteria after ACL reconstruction. RESULT: Twenty-three studies involving 1,792 participants were included. Medium and high quality evidence identified that most isokinetic evaluations targeted only muscle strength after rehabilitation of the ACL (peak moment). CONCLUSION: The most used elements during the isokinetic evaluation were: angular velocity of 60∘/s, 1 set of 5 repetitions, concentric mode and peak moment.
背景:前交叉韧带(ACL)重建后恢复活动和运动是一个关键的决定。目的:验证前交叉韧带重建术后出院等速评估中最常用的指标。方法:系统评价(PROSPERO CRD42021224433)。文献研究:PubMed, Medline, SciELO, Lilacs, CENTRAL, PEDro, Web of Science and Embase,截止到2022年2月。对18 ~ 59岁男性ACL重建患者出院期间进行等速运动评估的研究。将等速评估中最常用参数的描述性综合作为ACL重建后的出院标准。结果:纳入23项研究,涉及1,792名受试者。中等和高质量的证据表明,大多数等速运动评估仅针对前交叉韧带康复后的肌肉力量(峰值力矩)。结论:等速评估中使用最多的元素是:60°/s的角速度、1组5次重复、同心模态和峰值力矩。
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Isokinetics and Exercise Science
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