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With increasing age, muscle mass and muscle strength of the extremities diminish due to neuromuscular changes.1 These age-related changes are associated with increased physical disability and risk of falling.2 Progressive resistance strength training (PRT) increases muscle strength in older adults.3 However, it remains unclear whether strengthening muscles through PRT can translate into a reduction of physical disability.
To evaluate the effect of PRT on physical disability in older adults.
Searches and inclusion criteria
A search was performed from January 1966 to May 2007 in multiple electronic databases (MEDLINE, EMBASE, CINAHL, Sports Discus, the Physiotherapy Evidence Database (PEDro), Digital Dissertations, Cochrane Controlled Trials Register and the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register). The search terms included ‘strength training’, ‘resistant training’, ‘weight training’ or ‘progressive resistance’, ‘exercise’ and ‘exercise therapy’. Searches were limited to randomised controlled trials and studies with a minimum mean age of 60. There were …
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