What is a Shoulder Impingement?
A shoulder impingement occurs when soft tissues are “pinched” between the underside of the AC joint and the top of your humerus. For those of you who are unfamiliar with these structures, the AC joint is made up of the outer portion of your collar bone and a hook of bone that comes off the top of your shoulder blade.
The top of your humerus (the upper bone that makes up your arm) is dome-shaped and is supported by muscles and ligaments under the AC joint and against the shoulder blade. Impingement of the tendons and bursa that lie between these structures is a common cause of shoulder pain. Continue reading “Shoulder Impingement – Its Causes, Symptoms, Treatment”