Overview
Shoulder impingement is the result of the acromion (bone of top of the shoulder) rubbing against (or “impinging” on) the tendon and the bursa that provides lubrication and allows the rotator cuff tendons to glide freely as the arm moves.
Cause
Repetitive overhead use of arms i.e. swimming, baseball, tennis, construction, paining
Minor injury
Symptoms
Swelling and tenderness in the front of the shoulder
Pain and stiffness when lifting arm and/or when arm is lowered from an elevated position
Minor pain that is present with both activity and rest
Pain radiating from the front of the shoulder to the side of the arm
Sudden pain with lifting and reaching movements
Pain at night
Loss of strength and motion
Difficulty doing activities that place the arm behind the back such as buttoning or zippering
Diagnosis
Physical examination and medical history consultation
X-rays
MRI and ultrasound
Treatment
Rest
Non-steroidal anti-inflammatory medication
Physical therapy
Steroid injections
Surgery