Shoulder instability is one of the most common shoulder injuries in basketball players. Shoulder instability can occur through a traumatic injury such as someone pulling on your shoulder and it pop outs of place or from abnormal muscle patterning/imbalances. In basketball, you use your shoulder complex in various activities such as shooting, jumping up for rebounds and when playing defense reaching for a steal. During all these activities, scapular stability is very important to be able control these movements. || Harvey Shapiro Boston