Please choose the correct ending to complete the given sentence: Health: [header] How to do the touch and hop exercise [title] Place your weight on your right leg. [step] Start standing straight with your feet shoulder-width apart. Bend your right leg slightly and lean your weight onto that leg.

Ending1: You should lean your left arm outward--making sure that your right thigh and hips are spread apart--toward your toes. With about an inch between your toes, pull your left foot up until you reach a 90 degree angle with your toes. Ending2: [substeps] As you stand, make sure to keep your body's weight evenly distributed by your hip joint. If you, say, have the left hand, your right hand will be resting on the leg at the level of your forearm, between your thumb and first finger. Ending3: Your left leg should be loose and ready to lift off the floor. [title] Bend forward as you lift your left leg. Ending4: Hold for 30 seconds then switch legs and hold for 30 seconds more. [title] Move your left wrist towards your chest while pushing to hip-width.

Answer format: ending1/ending2/ending3/ending4