The Elbow Joint - Brief Anatomy & Common Injuries
Anatomy Of The Elbow: The elbow joint is the most used hinge joint by athletes or anyone in general. It comprises of three different hinge and pivot joints made by the three arm bones with each other at the elbow junction. These three joints are namely: Ulnohumeral joint : where the bottom of the humerus connects to the top of the ulna Radio-humeral joint : where the bottom of the humerus connects with the top of the radius bone Proximal radioulnar joint : where the top of the radius and ulna bones connect Being a synovial joint, these individual joints are supported by watertight sacs called synovial capsules and synovial bursae that lubricate and cushion these joints as the elbow moves. The hinge joints allow bending and lateral stretching of the arm, while the pivot joints allow the lower arm to twist and rotate. These joints are firmly held by thick Medial and Lateral ligaments on the inside and outside along with Annular ligaments that form a ring around the...