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2022 Mar 15

Res Sports Med

Yi Jin Bang exercise versus usual exercise therapy to treat subacromial pain syndrome: a pilot randomised controlled trial.


Hui S S-C, Liu J, Yang Y-J, Wan J H-P, Suen B K-P
Res Sports Med. 2022 Mar 15:1-13.
PMID: 35287501.


To evaluate the effect of Yi Jin Bang (YJB) exercise on pain, disability, flexibility, and muscular endurance in individuals with subacromial pain syndrome (SAPS). Fifty-four adults with SAPS were randomly allocated into either a YJB (n = 18), a usual exercise therapy (UET; n = 18), or a control group (n = 18). YJB and UET interventions involved 10 weeks of home-based exercise training, with four sessions per week. The control group received no treatment. Outcome measures included Shoulder Pain and Disability Index (SPADI), pain at rest and during activity, flexion and abduction range of motion (ROM), back scratch test, and shoulder abduction endurance test. These measures were assessed at baseline, immediately after a single face-to-face session (acute effects), and after 10 weeks of intervention (chronic effects). For acute effects, significant group-by-time interactions were observed for flexion ROM, abduction ROM, and the back scratch test (all < 0.05). For chronic effects, significant group-by-time interactions were found for pain during activity, the SPADI score, and the back scratch test (all < 0.05). Home-based YJB exercise is comparable to home-based UET in reducing pain and disability and improving flexibility.