Shirley Sahrmann’s (2002) movement diagnosis approach is undoubtedly one of the most clinically useful orthopedic medicine study I have read. She states that the patient’s directional susceptibility to movement or the path of least resistance is the direction the patient is most likely to get injured in. For example a patient with an increased lumbar curve, or extension dysfunction is more likely to get inflammation in the  lumbar spine facet joints than a patient with a reduced lumbar curve who is more likely to suffer intervertebral disc related pathology. In practical application there are...