I'm entertained by the fact that whereas I completely disagree with this TBAL75, I totally DIG what you're saying regarding strength-training. Seriously. Compound exercise are where it's at, and that i'm saying this as somebody who's suffering a muscle-imbalance injury in the past. It's my understanding that compound lifts conjointly result in bigger amounts of testosterone and, so, additional anabolism.
Muscle balance isn't just to try to to with look - excessive use of/specialise in ‘mover' muscles can lead to dysfunction of invisible ‘stabiliser' muscles. This is that the danger for posture. You cannot fix a postural problem by operating on a muscle designed for movement - therefore your lower abdominals and lower gluteal muscles will facilitate correct an excessive lordosis, not your hamstrings.