 It is used to gauge bilateral, symmetrical, and functional mobility of the hips, knees, and ankles.The dowel held overhead gauges bilateral and symmetrical mobility of the shoulders and the thoracic spine.The ability to perform the deep squat technique requires appropriate pelvic rhythm, closed-kinetic chain dorsiflexion of the ankles, flexion of the knees and hips, extension of the thoracic spine, as well as flexion and abduction of the shoulders.