Stand up straight with your feet shoulder width apart.
Hold the handles of the shortened TRX straps in each hand.
Transfer your weight to stand on one leg.
Maintaining your balance, lean back and squat down on this leg, pushing your hips back behind you.
Your arms will travel up towards the straps as you squat down.
Tighten your abdominal, buttock and thigh muscles to straighten back up again.