FronttoBack Hip Swing Prevention

FronttoBack Hip Swing Prevention front-to-back swing When lying on your side, hips stacked and legs long, bend the leg touching the floor to a 90-degree angle and point the toes on your top, straight leg. As you slowly swing the top leg forward and then backwards, make sure the rest of your body does not roll with the movement. Placing one hand in front of your stomach and the other supporting your head helps stabilize

Original article and pictures take http://www.prevention.com/fitness/strength-training/hip-flexor-exercises site