Purpose: To analyze the eectiveness of a 6-month exercise protocol on shoulder pain experienced by wheelchair users during functional activities. Subjects: Forty-two wheelchair users, 35 males and seven females: average age of 35 years and an average duration of wheelchair use of 14 years. Methods: Subjects were randomly assigned to treatment (n=21) and control (n=21) groups.The treatment group received instruction in ®ve shoulder exercises which they performed daily for 6 months. The exercise protocol included two exercises for stretching anterior shoulder musculature and three exercises for strengthening posterior shoulder musculature. Outcome measures: All subjects completed a self-report questionnaire and the Wheelchair Users Shoulder Pain Index (WUSPI) initially and at bimonthly intervals during the 6-month intervention. Results: Seventy-®ve per cent of the subjects reported a history of shoulder pain since beginning wheelchair use. The average initial performance-corrected (PC-WUSPI) score of the 42 subjects was 17.7 (+21.3) with a range of 0 ± 103.2 points. Over 83% of the subjects (35 of 42) completed the 6-month study. Subjects in the treatment group decreased their PC-WUSPI score by an average of 39.9%, compared to decreases of only 2.5% in the control group. Conclusions: These ®ndings supported the eectiveness of this exercise protocol in decreasing the intensity of shoulder pain which interferes with functional activity in wheelchair users.

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