Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran.
Physical Therapy Department, School of Rehabilitation Sciences, Shiraz University of Medical Sciences, Shiraz, Iran; Rehabilitation Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
J Bodyw Mov Ther. 2024 Jul;39:304-310. doi: 10.1016/j.jbmt.2024.03.001. Epub 2024 Mar 7.
Scapular dyskinesis is prevalent among asymptomatic athletes, particularly those involved in overhead activities, and can significantly impact their neuromuscular control. These changes may impair upper extremity function and strength, elevating the risk of injury. Therefore, it is imperative to investigate how scapular dyskinesis affects shoulder proprioception, upper extremity dynamic stability, and hand grip strength in overhead athletes. This study compared these parameters between overhead athletes with and without scapular dyskinesis.
The study included twenty asymptomatic professional overhead athletes with scapular dyskinesis and twenty without scapular dyskinesis, identified using the lateral scapular slide test. In this cross-sectional study, shoulder active joint position sense, serving as shoulder proprioception, was measured using an isokinetic dynamometer. Upper extremity dynamic stability and hand grip strength were evaluated using an upper quarter modified star excursion balance test (UQ-mSEBT) and a handheld dynamometer.
The study found that the shoulder active joint position sense was significantly lower in the scapular dyskinesis group compared to the group without scapular dyskinesis (P = 0.003, P < 0.001, and P = 0.002). However, the two groups had no significant differences in UQ-mSEBT and hand grip strength scores.
The results showed that scapular dyskinesis could affect the sense of shoulder active joint position among asymptomatic overhead athletes. However, it did not affect their upper extremity dynamic stability and hand grip strength.
肩胛骨运动障碍在无症状运动员中很常见，尤其是那些从事过顶活动的运动员，这会显著影响他们的神经肌肉控制。这些变化可能会损害上肢功能和力量，增加受伤的风险。因此，研究肩胛骨运动障碍如何影响过顶运动员的肩部本体感觉、上肢动态稳定性和手握力至关重要。本研究比较了有和没有肩胛骨运动障碍的过顶运动员的这些参数。
本研究纳入了 20 名无症状的有肩胛骨运动障碍的专业过顶运动员和 20 名无肩胛骨运动障碍的过顶运动员，使用肩胛骨侧滑试验进行识别。在这项横断面研究中，使用等速测力仪测量肩主动关节位置感，作为肩部本体感觉。使用上肢四分之一改良星状偏移平衡测试（UQ-mSEBT）和手持测力计评估上肢动态稳定性和手握力。
研究发现，有肩胛骨运动障碍组的肩主动关节位置感明显低于无肩胛骨运动障碍组（P=0.003、P<0.001 和 P=0.002）。然而，两组的 UQ-mSEBT 和手握力评分无显著差异。
结果表明，肩胛骨运动障碍可能会影响无症状过顶运动员的肩主动关节位置感。然而，它不会影响他们的上肢动态稳定性和手握力。
