HOW: Get set-up laying flat on your back with your heels on a foam roller. Begin the exercise by flexing your knees and bringing your feet back towards your butt. While keeping your feet still, bridge up and lift your hips off the ground, while keeping your hips as high as you can, slowly straighten out your knees. Repeat
FEEL: You will feel the muscles behind your thigh, knee, hip, and butt muscles working hard with this exercise. You may also feel your core and back muscles working too, but do not compensate and overuse your back muscles.
COMPENSATION: Limit excessive arching of your back, keep your hips level with the ground. Do not let your hips drop very fast during the eccentric curl out as your legs straighten