Causes of Shoulder Impingement Syndrome
Shoulder impingement happens when the acromion rubs against the rotator cuff tendon. Possible causes include:
– Inflamed or irritated bursa: The bursa is a sac filled with fluids. It is located between the acromion and tendon to serve as a cushion. Injury or shoulder overuse would lead to inflammation in this body part.
– Swollen or torn tendon: It may be caused by repetitive movement of the shoulder, overuse, age-related wear, and tear, or injury
– Bone spurs on the acromion when you age or the acromion isn’t flat as usual [3]
