Walter S, Moltchanova E, Petersen C
Faculty of Health, University of Canterbury, 20 Kirkwood Avenue, Riccarton, Christchurch 8041, New Zealand.
School of Mathematics and Statistics, University of Canterbury, 20 Kirkwood Avenue, Riccarton, Christchurch 8041, New Zealand.
S Afr J Sports Med. 2023 Nov 6;35(1):v35i1a15103. doi: 10.17159/2078-516X/2023/v35i1a15103. eCollection 2023.
The glenohumeral joint's rotational range of motion (ROM) and muscle strength are essential to execute the cricket bowling action. Performing shoulder rotation exercises may increase the rotator cuff muscle strength and rotational ROM.
The aim of this study was to test the effect of a six-week exercise programme on shoulder rotational ROM and muscle strength.
Twenty-one healthy male cricket fast bowlers were recruited, ranked and pair-matched on initial shoulder rotator muscle strength and assigned to either a shoulder exercise (SE) group or cricket training (CT) only group. The SE group incorporated Indian clubbell exercises in addition to their cricket training.
Bowlers in both groups displayed a large increase on the dominant shoulder's internal rotation (IR) ROM, but only the SE group's bowlers displayed ROM improvements (p<0.001) bilaterally for both internal and external rotation. The CT group's fast bowler's non-dominant shoulder IR ROM significantly decreased (p=0.02) during the six weeks. Between groups, only the SE group's bowler's internal rotator muscle strength improved (p<0.001) bilaterally. The observed kinematic changes were statistically significantly greater at a 5% level for the SE group's bowlers (bilateral internal rotators muscle strength, non-dominant shoulder IR ROM and horizontal adduction ROM).
Maintenance of the shoulder's rotational ROM and muscle strength is vital for a fast bowler. Cricket bowlers who perform regular clubbell exercises might increase their shoulder's ROM and internal rotator cuffs' muscle strength, which may aid in stabilising their glenohumeral joint while bowling.
盂肱关节的旋转活动范围（ROM）和肌肉力量对于完成板球投球动作至关重要。进行肩部旋转练习可能会增加肩袖肌力量和旋转ROM。
本研究的目的是测试为期六周的锻炼计划对肩部旋转ROM和肌肉力量的影响。
招募了21名健康的男性板球快速投球手，根据初始肩部旋转肌力量进行排名和配对，并分为肩部锻炼（SE）组或仅进行板球训练（CT）组。SE组除了进行板球训练外，还进行印度铃锻炼。
两组投球手的优势肩内旋（IR）ROM均有大幅增加，但只有SE组的投球手双侧内旋和外旋的ROM均有改善（p<0.001）。CT组快速投球手的非优势肩IR ROM在六周内显著下降（p=0.02）。两组之间，只有SE组投球手的内旋肌力量双侧均有改善（p<0.001）。观察到的运动学变化在SE组投球手中在5%水平上具有统计学显著差异（双侧内旋肌力量、非优势肩IR ROM和水平内收ROM）。
对于快速投球手来说，维持肩部的旋转ROM和肌肉力量至关重要。定期进行铃锻炼的板球投球手可能会增加其肩部的ROM和肩内旋袖带的肌肉力量，这可能有助于在投球时稳定其盂肱关节。
