Co-operative Institute of Health Sciences, Thalassery, Kerala, India.
Department of Physical Therapy, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.
Sci Rep. 2023 Jun 5;13(1):9124. doi: 10.1038/s41598-023-35977-w.
Tennis players often experience posterior shoulder pain due to restricted internal rotation (IR) range of motion (ROM) of the glenohumeral joint. No research has compared the effects of modified sleeper stretch (MSS) versus modified cross-body stretch (MCBS) on tennis players' upper limb functions and IR ROM. The study aimed to compare the efficacy of modified sleeper and cross-body adduction stretch in improving shoulder IR ROM and upper limb functions in tennis players. Thirty male lawn tennis players (aged 20 to 35 years) with more than 15° glenohumeral IR deficiency on the dominant side compared to the non-dominant side were recruited and divided into two groups: Modified sleeper stretch group (MSSG) and modified cross-body stretch group (MCBSG). MSSG received MSS, and MCBSG received MCBS, 3-5 repetitions once daily for 4 weeks. Upper limb functions were measured using the Disability of the Arm, Shoulder, and Hand (DASH) scale, and the IR ROM of the shoulder joint was measured using a universal goniometer. Both groups observed significant (p < 0.05) DASH scores and IR ROM improvements. DASH scores decreased by 85% in MSSG and 79.60% in MCBSG. IR ROM increased by 94.64% in MSSG and 89.52% in MCBSG. No significant differences (p > 0.05) were found in post-intervention DASH scores and IR ROM values between both groups. MSS and MCBS improved upper limb functions and IR ROM of the shoulder joint in the selected sample population of lawn tennis players. No difference was observed between both stretching techniques in improving upper limb functions and IR ROM of the shoulder joint.
网球运动员常因盂肱关节内旋（IR）活动度受限而出现肩部后方疼痛。目前尚无研究比较改良仰卧位伸展（MSS）与改良对侧体侧伸展（MCBS）对网球运动员上肢功能和 IR 活动度的影响。本研究旨在比较改良仰卧位和对侧体侧内收伸展对改善网球运动员肩部 IR 活动度和上肢功能的效果。共招募 30 名优势侧盂肱关节 IR 活动度较非优势侧减少 15°以上的男性草地网球运动员（年龄 20-35 岁），并将其分为改良仰卧位伸展组（MSSG）和改良对侧体侧伸展组（MCBSG）。MSSG 接受 MSS 治疗，MCBSG 接受 MCBS 治疗，每天 1 次，每次 3-5 个重复，共 4 周。采用上肢残疾问卷（DASH）量表评估上肢功能，用通用量角器测量肩关节 IR 活动度。两组均观察到 DASH 评分和 IR 活动度显著改善（p＜0.05）。MSSG 的 DASH 评分降低了 85%，MCBSG 的 DASH 评分降低了 79.60%。MSSG 的 IR 活动度增加了 94.64%，MCBSG 的 IR 活动度增加了 89.52%。两组间干预后 DASH 评分和 IR 活动度值无显著差异（p＞0.05）。MSS 和 MCBS 均能改善所选草地网球运动员的上肢功能和肩关节 IR 活动度。两种伸展技术在改善上肢功能和肩关节 IR 活动度方面无差异。
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