Impingement syndrome is caused by inflammation from repetitive shoulder activities. Injury and aging are other causes.
Pain may be consistent and increase with lifting or reaching movements.
Rest, medications, and physical therapy can help.
Consult a doctor for medical advice
Sources: Mayo Clinic and others.
More than 200,000 US cases per year
Treatable by a medical professional
Requires a medical diagnosis
Lab tests or imaging rarely required
Medium-term: resolves within months