Tight shoulders restrict athletic performance and our daily activities. A key aspect of upper body health is to have full shoulder flexion, meaning you’re easily able to lift your arms straight up over your without arching your back. If you are interested in contortion, handstands, or advanced yoga poses you will want even more range, building the ablility to move your arms behind your ears with strength and good form. There are a number of different structural and muscular factors that can restrict mobility here including the ability of the scapulae