Erin Banks said he's seen major leg muscle gains by incorporating hack squats into his lower body workouts to work his quads instead of his core.

As WH’s Fitness Director and a regular strength trainer, squats are now second nature. I *think* I’ve nailed my form, and from squats with weights to bodyweight squats, I’ve tried a load of variations ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Squats are one of the best moves for your lower body, when you do them right ...