手动结构间松解程序可改变肌肉剪切模量

IF 4.1 2区 医学 Q1 SPORT SCIENCES
Tomoko Yamashita, Yasuhide Yoshitake, Hironori Watanabe, Sohei Washino, Kazuyoshi Gamada, Minoru Shinohara
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引用次数: 0

摘要

目的:骨骼肌结构间松解术(ISR)被认为可减轻相邻肌肉之间的粘连,减轻主观症状,包括感觉僵硬和相关疼痛。然而,有关 ISR 对肌肉机械性能影响的客观证据却很有限。本研究的目的是测试 ISR 对邻近肌肉剪切模量的急性影响。假设在协同肌肉之间的边界施加 ISR 会急性降低受累肌肉的静态剪切模量:为了评估 ISR 的效果,在干预前后的不同踝关节位置(内翻/外翻)测量了 9 名无症状男性(年龄:21.9 ± 1.4 岁,身高:170 ± 6.6 厘米,体重:64.3 ± 4.0 千克)的静态腓肠肌(PL)和比目鱼肌(SOL)的剪切模量。测量期间的潜在肌肉活动通过记录这些肌肉的表面肌电图进行评估。干预措施是在小腿的PL和SOL深筋膜之间进行ISR和假性(按摩):随着踝关节位置被动向内翻方向变化,PL 的剪切模量大幅增加,SOL 的剪切模量适度减少。在 ISR 后,处于最内翻位的 PL 近端剪切模量急剧增加(11.4 ± 5.8%,P < 0.001),但在假按摩后没有增加,肌电图的振幅没有任何变化:这些结果提供了客观证据,证明 ISR 程序至少能在静止肌肉的特定部位急性改变剪切模量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Manual Interstructural Release Procedure Can Alter Muscle Shear Modulus.

Purpose: Interstructural release (ISR) procedure to skeletal muscles is believed to attenuate adhesion between neighboring muscles and alleviate subjective symptoms, including perceived stiffness and associated pain. However, objective evidence about the effect of ISR on the mechanical properties of the muscles is limited. The purpose of this study was to test the acute effect of ISR on the shear modulus of adjacent muscles. It was hypothesized that ISR applied to the border between synergistic muscles would acutely reduce the resting shear modulus of the involved muscle.

Methods: To assess the effect of ISR, the shear modulus of the resting peroneus longus (PL) and soleus (SOL) muscles was measured at various ankle joint positions (inversion/eversion) before and after interventions in nine nonsymptomatic male individuals (age: 21.9 ± 1.4 yr, height: 170 ± 6.6 cm, body mass: 64.3 ± 4.0 kg). Potential muscle activity during the measurement was assessed by recording surface electromyogram from these muscles. The interventions were ISR to the lower leg between the deep fascia of the PL and SOL and sham (massage).

Results: As the ankle joint position was passively varied toward inversion, the shear modulus increased substantially in PL and decreased moderately in SOL. Shear modulus of the proximal PL in the most inverted position increased acutely after ISR (by 11.4 ± 5.8%, P <0.001), but not after the sham, without any change in the amplitude of electromyogram.

Conclusions: These results provide objective evidence that the ISR procedure can acutely alter shear modulus, at least in a specific site in a resting muscle.

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来源期刊
CiteScore
7.70
自引率
4.90%
发文量
2568
审稿时长
1 months
期刊介绍: Medicine & Science in Sports & Exercise® features original investigations, clinical studies, and comprehensive reviews on current topics in sports medicine and exercise science. With this leading multidisciplinary journal, exercise physiologists, physiatrists, physical therapists, team physicians, and athletic trainers get a vital exchange of information from basic and applied science, medicine, education, and allied health fields.
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