STARTING POSITION:
Stand straight with your feet shoulder width apart. Raise your right leg by your side and place it on a box at your hip height. Your knees should be extended.
MOVEMENT:
Slowly bend your body from your waist to your right side until you feel the stretch in your adductor muscles. Maintain the stretch during the required time and then do it with the other leg.
TIPS: You should feel the stretch of the muscles but not pain.