Ulnar Anatomy

The other shorter bone of the forearm is the radius the upper end of the ulna presents a large c shaped notchthe semilunar or trochlear notchwhich articulates with the trochlea of the humerus upper arm bone to form the elbow joint. The ulnar nerve is involved in carrying sensations from the hand and fingers up to.

Ulnar Nerve Lesion

The ulna extends past the humerus to form the tip of the elbow known as the olecranon.

Ulnar anatomy. Continue scrolling to read more below. The ulna is a long bone in the forearm. Distally the ulna articulates with the radius forming the distal radio ulnar joint.

Ulna inner of two bones of the forearm when viewed with the palm facing forward. At its proximal end it forms the elbow joint with the humerus of the upper arm and the radius of the forearm. There are several conditions that can affect the ulnar.

It lies medially and parallel to the radius the second of the forearm bones. The ulna acts as the stabilising bone with the radius pivoting to produce movement. The ulnar nerve is a long nerve running through the whole arm.

Proximally the ulna articulates with the humerus at the elbow joint. Specifically the ulna joins articulates with. It joins with the humerus on its larger end to make the elbow joint and joins with the carpal bones of the hand at its smaller end.

Trochlear notch the trochlear notch is a large depression. The distal radius where it fits into the ulnar notch. The ulna extends through the forearm from the elbow to the wrist narrowing significantly towards its distal end.

Together with the radius the ulna enables the wrist joint to rotate. Coronoid process the coronoid process is another bony prominence that is received into. The radius near the elbow as a pivot joint this allows the radius to cross over.

Trochlea of the humerus at the right side elbow as a hinge joint with semilunar trochlear notch. The nerve that runs through your funny bone anatomy. Ulna bone anatomy also called ulnar bone olecranon process the word olecranon comes from a greek word that means elbow head this bony.

The ulna is one of two bones that give structure to the forearm. The ulna is located on the opposite side of the forearm from the thumb.

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