AC (acromioclavicular) joint separation

About AC (acromioclavicular) joint separation

A strain or rupture of the ligament between the clavicle (collar bone) and the shoulder. The injury is graded 1-6, with Grade 6 involving the most damage to the ligament and the surrounding structures. The most common way of injuring the ligament is falling on the shoulder, elbow, or onto an outstretched hand.

Symptoms

Shoulder pain and deformity in the top part of the shoulder. Decreased movement of the shoulder.

Tests & Diagnostics

A history and physical exam will be performed. The diagnosis is made with X-rays and/or a MRI.

Common tests: CT Scan, MRI, X-ray.

Path 2 — Over-the-Counter Options

OTC sleep aids and supportive treatments

Path 3 — Prescription Options

Prescription medications

Conventional treatment summary

Therapy depends on the extent of the ligament tear. Treatment options include: observation, nonsteroidal anti-inflammatory medications/NSAIDs (ibuprofen/Motrin or Advil, naproxen/Naprosyn), acetaminophen (Tylenol), physical therapy and/or surgical repair.

Medical specialties

Orthopedic Surgery · Sports Medicine · Pediatric Sports Medicine

This page is educational content, not medical advice. Always consult a qualified clinician for diagnosis and treatment of AC (acromioclavicular) joint separation.