human elbow

[Julene]

hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped

[Welington Mina]

The human elbow is a complex joint located in the middle portion of the arm, connecting the upper arm and the forearm. It is a hinge joint that involves three bones - the humerus in the upper arm, and the radius and ulna in the forearm - and allows the arm to bend and straighten. Besides bending and straightening, the elbow joint also allows for rotational movements of the forearm. It is supported and stabilized by muscles, tendons, and ligaments.