Scapulohumeral rhythm is the coordinated movement that should occur between the shoulder and scapulocostal joints during all movements of the arm. We feel that there are a handful of verbal cues and hands-on assists out there in yoga world that go against this rhythm, which can lead to shoulder instability and/or impingement syndrome (e.g., "plug the arms into the sockets," "draw the shoulderblades down the back," "melt the heart" in plank, etc.). Learning more about scapulohumeral rhythm will better inform your own practice, refine the biomechanical accuracy of your verbal cues and hands-on assists, and help keep your shoulder joints happy and healthy.
In this first of several videos we explore the anatomy and movements available at the shoulder and scapulocostal joints. In subsequent videos we'll explore: