Move on to the flexes exercise of the legs. Sit straight on the floor with the knees elevated, such that the heels of the foot is the only half touching the ground. Place your elbows on each elevated leg and flex the body muscles of the leg. Next, place your arms over your head, and attempt stretching your legs as wide apart as you can whereas pointing the toes of the leg such that you feel some tensions in the muscles. Now relax when the exercise.