Over the years, you've perfected your gym routine. You hit your pecs, lats, bi's, and tri's on a consistent basis. But is this to your downfall? Sure, these mirror muscles garner attention on the ...

Wall sits strengthen your quadriceps, knee caps, and quadricep tendons. Doing hamstring curls boosts knee strength and lowers stress and injury risk. Clam shells target your gluteus medius and minimus ...