Forearm Anatomy Quiz

The radius is the bone on the lateral side of the forearm.

The radius is longer, extending from the elbow to the wrist in the forearm.

The ulna articulates with the trochlea of the humerus at the elbow joint.

The brachialis muscle flexes the forearm at the elbow joint.

The radioulnar joint allows for rotation of the radius around the ulna.

The olecranon fossa is the depression on the posterior aspect of the elbow, just proximal to the olecranon process.

The brachioradialis muscle is innervated by the radial nerve.

The supinator muscle is responsible for supination of the forearm.

The triceps brachii muscle acts to extend the forearm at the elbow joint.

The radial artery supplies the majority of the forearm muscles.

The median nerve innervates the majority of the muscles in the anterior compartment of the forearm.

The annular ligament stabilizes the distal radioulnar joint.

The radial nerve innervates the extensor muscles in the posterior compartment of the forearm.

The ulnar artery supplies blood to the deep structures of the forearm.

The anatomical snuffbox is the groove on the posterior aspect of the distal radius that houses the extensor tendons of the thumb.