The cubital joint, also known as the elbow joint, is a joint in the upper limb of the human body. The joint is formed by the union of the ulna and the humerus bones in the arm. The cubital joint is one of the most important joints in the body, and is responsible for the movement of the forearm. There are several synonyms that can be used to refer to the cubital joint, including elbow joint, ulnohumeral joint, ulnar elbow joint, anconal joint, and trochlear joint. These synonyms can be used interchangeably to refer to the same joint in different contexts.