Hyperextension of the knees happens because some people have loose ligaments and tendons around the knee joint. Often these people have looseness globally. They also may have pelvic misalignment like anterior pelvic tilt, posterior pelvic tilt or hyperextension of the the hip joint (or sway back). So how can you help someone correct something that is basically a structural, genetic issue? Mind control.

Postural knock knees, according to Kendall's Muscle Testing and Function are a combination of external rotation of the hip, hyperextension of the knee, and supination of the ankle.

Suffering from knee pain? This little trick could be a lifesaver.