Find out what you need to know about AC joint sprains and discover their causes, symptoms, and treatments.

Anyone experiencing AC joint pain that will not go away should consult a healthcare professional. They can examine a person’s symptoms and recommend the best course of treatment.

What is an AC joint sprain? "A sprain implies a ligament injury, and ligaments are just connective tissue structures that span between bones," Moriarty said.

If you do need AC joint surgery, the focus involves repairing the ligaments and realigning your bones, securing them into position with surgical hardware.

An orthopedic surgeon explains the type of surgery Richardson will likely undergo and estimates a recovery timeline for the quarterback.

The AC joint can be sprained, severely sprained, or separated and when separated the tension in the ligaments beneath the clavicle cause the clavicle to stay down and the scapula to ride up.

What Does an AC Joint Sprain Entail? An AC joint sprain occurs when the ligaments connecting the collarbone and the shoulder blade are stretched or torn due to a sudden impact or forceful movement.

What is an AC joint sprain? "A sprain implies a ligament injury, and ligaments are just connective tissue structures that span between bones," Moriarty said.

The acromioclavicular (AC) joint is formed by the top of the shoulder (acromion) and the collarbone (clavicle). It is held together by strong ligaments. How do you treat an injured AC joint?

49ers RB Jordan Mason, the NFL's leading rusher, is believed to have suffered a sprained AC joint that is not considered serious during Thursday night's win at Seattle, but he will undergo further ...

Sternoclavicular joint injuries can affect the way your shoulder moves and works. Learn the common types of injuries and what causes them.