OBJECTIVE: To investigate the effect of progressive resistance training (PRT) on muscle strength and functional capacity before and/or after total hip arthroplasty (THA) and total knee arthroplasty (TKA). The effects of THA and TKA upon quality of life and the rate of adverse events were also investigated. DATA SOURCES: Literature from nine databases. REVIEW METHODS: Studies were included if (1) the effect of a PRT intervention was compared with no intervention or another type of intervention; (2) the outcomes included muscle strength and/or functional capacity; (3) all participants were scheduled for or had just undergone THA or TKA; (4) they were randomized, controlled trials (RCT); and (5) only full-length papers in English were studied. Data on patient characteristics, training regime, controls, and outcome measures were extracted. RESULTS: Four RCT studies on PRT and THA including 136 patients and three RCT studies on PRT and TKA including 284 patients were identified and rated according to the PEDro scale. The general methodological quality of the studies was low. No adverse events were reported in any of the studies. Weak evidence of a beneficial effect of PRT before and/or after THA on muscle strength and functional capacity was found. No effect of PRT before TKA on muscle strength and functional capacity was found. The results of postoperative PRT were too heterogeneous to allow conclusions. CONCLUSION: PRT is safe and feasible before and/or after THA. PRT is safe, but the methodological quality of existing evidence permits no conclusion on the effectiveness of PRT before and/or after TKA.

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