Elbow Sprain Anatomy
To better understand elbow sprain, it helps to understand the anatomy of the elbow joint.
The elbow consists of three bones:
- The large, long bone in the upper arm
- The two prominent areas of the humerus on the inside and outside of the elbow are referred to as the epicondyles.
- The muscles that raise the wrist and hand attach to the lateral epicondyle.
- Muscles that flex the wrist attach to the medial epicondyle.
These three bones are bonded together by strong bands, called ligaments. The ligaments, muscles and tendons keep the bones of the elbow together during movement.
- Bennett R. Addressing musculoskeletal pain. Geriatrics. 2004 Aug;59(8):11-2. 
- Cassas KJ, Cassettari-Wayhs A. Childhood and adolescent sports-related overuse injuries. Am Fam Physician. 2006 Mar 15;73(6):1014-22. 
- Emery KH. Imaging of sports injuries of the upper extremity in children. Clin Sports Med. 2006 Jul;25(3):543-68, viii. 
- Garnett WR. GI effects of OTC analgesics: implications for product selection. J Am Pharm Assoc (Wash). 1996 Sep;NS36(9):565-72. 
- Kijowski R, De Smet AA. The role of ultrasound in the evaluation of sports medicine injuries of the upper extremity. Clin Sports Med. 2006 Jul;25(3):569-90, viii.
- Orchard JW. Intrinsic and extrinsic risk factors for muscle strains in Australian football. Am J Sports Med. 2001 May-Jun;29(3):300-3. 
- Wainstein JL, Nailor TE. Tendinitis and tendinosis of the elbow, wrist, and hands. Clin Occup Environ Med. 2006;5(2):299-322, vii.