HOW: Get set-up laying on your back with your knees bent. Place a band on around and above your knees. Perform the exercise by separating your knees pushing out against the band as hard as you can and holding this position.
FEEL: You will feel the muscles on the outside of your hips and thighs with this exercise.
COMPENSATION: Your body shouldn't move with this exercise, keep your low back flat. Don't let your knees lag in towards one another