Shoulder Impingement
Shoulder impingement, also known as subacromial impingement or swimmer’s shoulder, is caused when the tendons of the rotator cuff become trapped as they pass through the narrow bony channel known as the subacromial space. This little tunnel in the shoulder normally allows those tendons to slide back and forth with no restriction as you move your arm. However, repetitive use of the shoulder, more specifically repetitive overhead movement