Place knee-high box behind you
Balancing on right leg, slowly sit back into squat until butt touches box
Raise up and forward into start position
Repeat with left leg
Sets/Reps: 2x8 each leg
Technique: Make sure to lower with controldo not drop down. Sit back so that the squatting knee does not go over your toes.
The Payoff: Single-leg strength and balance.