Abstract
This study sought to determine if overhead press weight (OHPwt) could predict functional outcome (Physical Demand Level; PDL) following a sports performance based rehabilitation program in workers' compensation rotator cuff repair patients (n=40). OHPwt was measured weekly during rehabilitation and determined by the best set of 8–12 repetitions. PDL was measured at program completion (KEY Method) and classified by occasional occupational lifting requirements: LIGHT (L; 20lbs), LIGHT-MEDIUM (LM; 35lbs), MEDIUM (M; 50 lbs), MEDIUM-HEAVY (MH; 75lbs), HEAVY (H; 100lbs), VERY HEAVY (VH; >100lbs). ANOVA analyzed relationships between PDL and OHPwt. Fisher's Exact Test was used post-hoc. Paired t-test assessed first/best week change. Alpha=0.05. Data are mean±SEM. PDLs were L=1, LM=5, MH=13, H=9, VH=12. For analysis the L patient was eliminated. First week OHPwt were: LM 9±3 lbs; MH 22±2 lbs; H 24±3 lbs; VH 32±5 lbs. First week OHPwt did not differ between groups. MH, H, and VH groups significantly increased OHPwt. Best OHPwt were: LM 18±4 lbs; MH 33±4 lbs; H 44±4 lbs; VH 57±6 lbs. Post-hoc analysis indicated best OHPwt was significantly higher in the VH group. Linear regression yielded a correlation coefficient of R2=0.44 for the relationship between OHPwt and PDL. These results suggest OHPwt can predict PDL following a rehabilitation program.
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