Subacromial impingement syndrome (SAIS) is the most common cause of shoulder pain, accounting for a large proportion of musculoskeletal complaints. It is characterized by narrowing of the subacromial space, leading to pain, weakness, limited range of motion, and impaired shoulder function. Muscle weakness, especially of the rotator cuff and scapular stabilizers, plays a major role in its pathomechanics.
Although conventional strengthening exercises are effective, they are often delayed until pain subsides, which may prolong recovery. Blood Flow Restriction (BFR) training and Pilates exercises have recently emerged as promising approaches that may enhance strength and function during earlier, painful stages of rehabilitation. However, limited research has compared both interventions in patients with SAIS. Therefore, this study aims to compare the effectiveness of BFR training versus Pilates exercises, in addition to conventional therapy, on pain, function, range of motion, muscle strength, and proprioception in patients with painful SAIS.
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