HOW: Get set-up in a side lying position with the bottom knee bent and the top leg straight starting in hip flexion on the ground. Perform a leg lift moving into hip abduction and extension. Repeat
FEEL: You will feel the muscles on the outside of your hip and your butt muscles working with this exercise.
COMPENSATION: Do not let your hips open up towards the ceiling, imagine if you were wearing a belt buckle to keep it facing the ground or parallel to the ground.