Subacromial impingement (SAI – aka shoulder bursitis) like most other orthopedic problems is influenced a number of factors. Some are structural – like the presence of a “hook” acromion – while others are related to lifestyle and body mechanics. Specifically, sedentary individuals seem to suffer far more from SAI than those who are not sedentary. One of the reasons may be related to posture. [Read more…] about The Role of Posture in Shoulder Impingement