PAIN+ CPN

OBJECTIVE: To compare the effect of combining proprioceptive exercises with strengthening exercises versus strengthening exercises alone, on shoulder pain and disability in individuals with chronic rotator cuff-related shoulder pain (RCRSP). DESIGN: Parallel group randomized controlled trial. METHODS: Seventy individuals with chronic RCRSP were randomly assigned to either the control group (n = 35; muscle strengthening exercises) or the experimental group (n = 35; muscle strengthening combined with proprioceptive exercises) for a 2-month program of supervised and home-based exercises. The primary outcome, the Shoulder Pain and Disability Index (SPADI), was assessed at baseline, 2 months, and 5 months, while the secondary outcomes (pain intensity, proprioception, isokinetic muscle strength, catastrophizing, kinesiophobia, and self-efficacy), were evaluated at baseline and 2 months. A linear mixed model was used for statistical analysis. RESULTS: There was no significant group-by-time interaction for the SPADI (P = .25). Significant time effects, but no between-group differences, were found for improvements in pain intensity, kinesiophobia, catastrophizing, self-efficacy, kinesthesia, and joint position sense, while a decline in lateral rotator peak torque was noted. CONCLUSION: Combining proprioceptive with shoulder strengthening exercises did not lead to additional improvements across all outcomes in individuals with chronic RCRSP. The lack of a nonintervention group limits the ability to determine whether the improvements in both groups were due to the exercise programs or to natural recovery. J Orthop Sports Phys Ther 2025;55(7):495-511. Epub 16 June 2025. doi:10.2519/jospt.2025.13097.

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