“Deep, controlled squats not only are NOT ”bad for the knees“, they are, in fact, good for the knees. Properly performed, they evenly and proportionately strengthen all muscles which stabilize and control the knee (in addition to strengthening the muscles of the hip and posterior chain, upper back, shoulder girdle etc).” “1) In partial squats, the hamstrings aren't activated, which means the patellar tendon takes up all the strain/stress/pull during squats. As a result, fatigue and damage to...