Efficacy of Joint Mobilization Apparatus in Treating Frozen Shoulder

This purpose of this study is to investigate the efficacy of shoulder joint mobilization generated by an innovative servomotor joint mobilization apparatus that was developed in this research for patients suffering from frozen shoulder. Forty-eight patients with frozen shoulder were recruited and st...

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Bibliographic Details
Published in:Applied sciences 2021-05, Vol.11 (9), p.4184
Main Authors: Wu, Cheng-Ju, Ting, Hua, Lin, Chuan-Chao, Chen, Yi-Chung, Chao, Ming-Che, Lee, Shin-Da
Format: Article
Language:English
Subjects:
adhesive capsulitis
Contraindications
Gliding
Joint diseases
Manpower
mobilization device
Pain
Patients
Physical therapists
Physical therapy
Rehabilitation
Robotics
Rotation
Servomotors
Shoulder
shoulder mobility limitation
shoulder pain
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Summary:This purpose of this study is to investigate the efficacy of shoulder joint mobilization generated by an innovative servomotor joint mobilization apparatus that was developed in this research for patients suffering from frozen shoulder. Forty-eight patients with frozen shoulder were recruited and stratified randomly assigned into one of two groups: joint mobilization apparatus (posterior and inferior gliding, 80 N, 5 Hz, 30 min) combined with regular therapy (experimental group; EG) versus a regular therapy alone group (control group; CG), three times a week for eight weeks. The visual analogue scale (VAS) for pain and shoulder range of motion (ROM) were measured before, during, and the end of the treatment. Results showed that the shoulder flexion, abduction, internal rotation, and external rotation of the EG improved by 36%, 51%, 81%, and 88%, respectively, while VAS pain scores decreased by 62% when compared with the baseline. Furthermore, the shoulder flexion, abduction, internal rotation, external rotation, and pain score of the EG was 11%, 25%, 41%, 24%, and 34% better than those of the CG, respectively. No complaint as well as no side effects were found during or after usage of the joint mobilization apparatus in EG. This study suggests that the joint mobilization apparatus operated by a very small amount of professional manpower and combined with physical therapy further improves shoulder ROM and pain in patients with frozen shoulder compared to regular physical therapy alone and could be one of the new therapeutic regimens in the future.
ISSN:2076-3417
2076-3417
DOI:10.3390/app11094184