The impingement syndrome occurs when arthritic spurs grow on the inferior or bottom aspect of the acromioclavicular joint (AC joint) or when the rotator cuff tendons themselves become irritated ...

Three self-tests you can do. Be careful because an ac joint problem can be like an impingement problem. 1. Take the hand of your painful shoulder arm and place it on the opposite shoulder.

Hip impingement or femoroacetabular impingement (FAI) happens when the hip joint tends to experience unusual contact between the femur and the pelvis during movement. One can have excruciating ...

1 The association between impingement symptoms and shoulder instability is well established. Excessive humeral head translations, based on capsular laxity and instability,10 15 cause temporal ...

Impingement syndrome can be caused by a spur of bone on the roof of the shoulder, the acromion, specifically the subacromial space and the inferior aspect of the acromioclavicular joint.