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KMID : 1151220220280030033
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Journal of Korean Academy of Orthopedic Manual Therapy
2022 Volume.28 No. 3 p.33 ~ p.40
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The Effect of Novel Stretching on the Range of Motion and Acromio-Humeral Distance in Patients with Glenohumeral Internal Rotation Deficits with Posterior Shoulder Tightness
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Kim Yong-Tae
Lee Sang-Bin
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Abstract
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Background: The cross-body and the sleeper stretches have been used to improve posterior shoulder tightness (PST). However, such stretching techniques may not always help achieve scapular stability and may even aggravate patient’s symptoms. Therefore, a new stretching technique (passive glenohumeral internal rotation with bridging) was developed as a more effective method that may allow for greater scapular stability without aggravating the symptoms. Thus, this study aimed to examine and compare this novel stretching technique to determine its effect on the range of motion (ROM) and acromio-humeral distance (AHD) in patients with glenohumeral internal rotation deficits (GIRD) with posterior shoulder tightness.
Methods: A total of 30 symptomatic patients with asymmetrical GIRD were randomly assigned to two groups: the novel stretching group (n=15) and the joint mobilization group (n=15). The intervention was conducted twice a week for a total of four weeks. The ROM of shoulder internal rotation was measured by a goniometer and the AHD was evaluated by an X-ray before and after the intervention.
Results: Both the treatments improved ROM and AHD in patients with GIRD (p<.05). However, the improvements in internal rotation ROM and AHD in the novel stretching group were significantly greater than that of the subjects in the mobilization group. There was a significant difference between the two groups (p<.05).
Conclusion: These results show that both novel stretching and joint mobilization improved ROM and AHD in patients with GIRD with PST. However, novel stretching was more effective than joint mobilization.
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KEYWORD
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Acromio-humeral distance, Glenohumeral internal rotation deficits, Novel stretching, Range of motion
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