1. Clavicle fracture (broken bone).

2. Location of clavicle It extends between the sternum (the manubrium) and scapula (the acromion process).

3. Fracture classification Allman classification: -Group I fractures: The most common (80%). -Group II fractures: Less frequently (12-15%). -Group III fractures: Less than 5%.

4. Etiology Trauma : -fall on shoulder. -fall on outstretched hand. -car accident. In babies during birth.

5. Symptoms Pain, and inability to raise the arm because of pain. Swelling. Deformity or bump over the break. Bruising.

7. Treatment Medications to relieve the pain. Antibiotics and tetanus shot (when do I use them?). Surgery in some cases.