VARIATION
Single-Leg Low-Box Squat
As you progress in the single-leg box squat, you’ll be able to reduce the height of the box to
continue increasing the exercise’s effectiveness. As you move to lower box heights, you
won’t be able to sit back quite as far and you’ll need to allow the knee to travel forward a bit
to maintain balance. Keep the low back arched and contract the spinal erectors forcefully to
keep the pelvis from tucking under.