Squat down until you are sitting on the box then push back up.
Single leg squat standing on box.
Stand on the side edge of the box and let your one leg rest in open space.
I f necessary the spotter can stand at the side place one hand on your wrist and the other hand just above the elbow keeping the knee of the working leg in line with the long toe squat down until your thigh is parallel to the floor.
Land softly on the box in a partial squat position then stand fully upright.
Strength main muscle worked.
Read do a squat box squat and do free squats if you re unsure how to perform traditional squats.
Perform 3 sets of 10 repetitions on each leg.
Being able to perform free squats which is one of the easiest variations will give you an indication if you re ready to start trying single leg squats.