通过表面肌电图评估盂肱关节不稳患者肩部肌肉活动及使用T-Fast测试评估生理疲劳：一项横断面研究
Shoulder Muscle Activity Through Surface Electromyography and Estimation of Physiological Fatigue Using the T-Fast Test in Patients With Glenohumeral Instability: A Cross-Sectional Study.
作者信息
Ramírez-Pérez Laura, Cuesta-Vargas Antonio Ignacio
机构信息
Department of Physiotherapy, University of Málaga, The Institute of Biomedical Research in Málaga (IBIMA), Clinimetric Group FE-14, Málaga, Spain.
School of Clinical Science, Faculty of Health, Queensland University of Technology, ARC ITTC for Joint Biomechanics, Brisbane, Australia.
出版信息
Physiother Res Int. 2025 Jul;30(3):e70085. doi: 10.1002/pri.70085.
BACKGROUND AND PURPOSE
Electromyography has been widely used to analyze muscle activation during different tasks to establish standard patterns of muscle activity that allow the establishment of preventive strategies related to each type of motor task. The primary aim was to evaluate the muscle activity of the upper trapezius, lateral deltoid, anterior deltoid, and biceps brachii during analytical movements; and to estimate physiological fatigue from kinematic data obtained during the T-Fast Test.
METHODS
This cross-sectional study was developed at Axarquia Hospital (Spain). The study evaluated 38 adults suffering from glenohumeral instability. Surface electromyography was used to evaluate the electrical activity, timing, and mean frequency change of the muscles around the shoulder. In addition, inertial sensors were used to assess kinematic parameters during the T-Fast Test.
RESULTS
Altered patterns in muscle activity, a delay of 1.48 ± 3.69 s for activation timing, and a mean fatigue value of 18.1% ± 40.46. A significant relationship was found between the mean frequency change of the upper trapezius during flexion and the angular velocity in the Y axis during the 30″ T-Fast Test (p = 0.044). The mean frequency change of the lateral deltoid during abduction was related to linear acceleration in the Z axis during the 30″ T-Fast Test (p = 0.026) and 120″ T-Fast Test (p = 0.009) and angular velocity in the Y axis during the 120″ T-Fast Test (p = 0.032).
DISCUSSION
This study revealed altered muscle activity patterns with high fatigue levels in glenohumeral instability and the great utility of inertial sensors to estimate physiological fatigue. Future research should be developed to determine a cut-off time for fatigue that helps to stratify the population suffering from glenohumeral instability.
TRIAL REGISTRATION
ClinicalTrials.gov Identifier: NCT05443295.
背景与目的
肌电图已被广泛用于分析不同任务期间的肌肉激活情况，以建立肌肉活动的标准模式，从而制定与每种运动任务相关的预防策略。主要目的是评估上斜方肌、三角肌外侧、三角肌前部和肱二头肌在分析性动作期间的肌肉活动；并根据在T-Fast测试期间获得的运动学数据估计生理疲劳。
方法
这项横断面研究在西班牙阿萨克里亚医院开展。该研究评估了38名患有盂肱关节不稳的成年人。使用表面肌电图来评估肩部周围肌肉的电活动、时间和平均频率变化。此外，在T-Fast测试期间使用惯性传感器来评估运动学参数。
结果
肌肉活动模式改变，激活时间延迟1.48±3.69秒，平均疲劳值为18.1%±40.46。在30秒T-Fast测试期间，上斜方肌在屈曲时的平均频率变化与Y轴角速度之间存在显著关系（p = 0.044）。三角肌外侧在外展时的平均频率变化与30秒T-Fast测试期间Z轴的线性加速度（p = 0.026）和120秒T-Fast测试期间Z轴的线性加速度（p = 0.009）以及120秒T-Fast测试期间Y轴的角速度（p = 0.032）相关。
讨论
本研究揭示了盂肱关节不稳患者肌肉活动模式改变且疲劳水平较高，以及惯性传感器在估计生理疲劳方面的巨大效用。未来应开展研究以确定疲劳的截止时间，这有助于对患有盂肱关节不稳的人群进行分层。
试验注册
ClinicalTrials.gov标识符：NCT05443295。
Zotero 插件