6
votes
1answer
213 views

When is isolating certain muscles beneficial?

I have heard that isolation exercises are pointless by some, and that total body workouts are to be abided by. I must digress as, for example, what if supporting muscles are strikingly weak? I have ...
2
votes
3answers
202 views

squats and alignment of knees

Quoting wikipedia.org's article on Squats: Another error where health of the knee joint is concerned is when the knee is not aligned with the direction of the toes. If the knee is not tracking ...
1
vote
3answers
1k views

Substitute for squats and squat jumps that put less stress on knees

Are there exercises (or sequences of exercises) which work the same muscle groups as regular squats or squat jumps with comparable intensity, but which put less stress on the knee (are safer for the ...