Sit on the edge of a bench or box (or equivalent) with your left leg directly in front of you, foot flat to the floor whilst your right leg is extended out to the side at a 90-degree angle, heel on the floor and toe pointing up. Your torso should be upright with your spine fully extended. Clasp both hands together and place them behind your head, at the base of your neck. This is your start position. Begin to slowly bend your torso towards the right leg bringing your right elbow towards your right knee. Be sure to keep your elbows pulled back throughout the movement. Once at the end of your range, reverse the movement with control back to the start position. Repeat for the recommended amount of time (or reps) before changing to the other side.