MUSCLES ENGAGED Quadriceps The quadriceps (quads) are a group of four muscles on the front of the thigh. They allow your knee to straighten and provide stability when standing. Your quads are the most important muscle group for maintaining the ability to stand and to walk independently. Abdominals The abdominal muscles (abs) provide movement and support to your core area. The deeper and closer to the spine the particular abdominal muscle is, the more effect over body posture it will have, and this often contributes significantly to a healthy back. Equipment Used Foam Roller The equipment used for foam rolling consists of a foam cylinder of various sizes; commonly 12 inches long, 6 inches in diameter. However, longer foam rolls up to 36 inches in length are produced for rolling over certain muscles in the back. Exercise Instructions Step 1 Start on your side with the foam roller placed underneath your hip. Step 2 Slowly roll along the seam of your leg placing as much weight as you can on the foam roller. Step 3 Stop just above your knee joint and then slowly roll back up to you hip.