"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Working out can wear down joints—especially knees. Knee-strengthening exercises sometimes help, but ...

Add Yahoo as a preferred source to see more of our stories on Google. "Knee braces can be helpful for generalized knee pain," says Rick Stauffer, PT, SCS, C.S.C.S., PES, co-owner and director at PRN ...