How to do the elbow side plank stretch
Instructions for elbow side plank:
Lying on your left side with your legs straight and feet stacked on top of each other, place your left elbow under your left shoulder.
Engage your core to lift your hips up off the floor so that you’re supporting your weight on your left elbow and the side of your left foot.
Keep your body in a straight line and place your right hand on your hip or lift it up toward the ceiling.