ELBOW

TREATMENTS/CONDITIONS

ELBOWS

OVERVIEW

The elbow is a complex joint formed by the joining of three bones:

The Humerus
Upper arm bone

The Ulna
Forearm bone on the pinky finger side

The Radius
Forearm bone on the thumb side

The surfaces of the bones where they meet to form the elbow joint are covered with articular cartilage, a smooth substance that protects the bones and acts as a natural cushion to absorb forces across the joint. A thin, smooth tissue called synovial membrane covers all remaining surfaces inside the elbow joint.

In a healthy elbow, this membrane makes a small amount of fluid that lubricates the cartilage and eliminates almost any friction as you bend and rotate your arm.

On the inner and outer sides of the elbow, thicker ligaments (collateral ligaments) hold the elbow joint together and prevent dislocation.

The elbow joint is surrounded by muscles on the front and back sides. In addition, the three major nerves that cross the elbow joint are located close to the joint surfaces and capsule and must be protected during arthroscopic surgery.

 

ANATOMY

elbow-diagram

ELBOW TREATMENTS & CONDITIONS

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