KEY: rWOMAC PFReduced Western Ontario and McMasters University Osteoarthritis personal function scale *P<0.05 TUG(s) Timed up and Go in seconds STNumber of sit to stand performed from a chair in 30 seconds 6MWT (m)6 minute walk test in metres SCP(s)Stair climb performance in seconds GS (m/s)Gait speed in metres/second
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