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  2. Olecranon - Wikipedia

    en.wikipedia.org/wiki/Olecranon

    The olecranon (/ oʊ ˈ l ɛ k r ə n ɒ n /, from Greek olene 'elbow' and kranon 'head'), is a large, thick, curved bony process on the proximal, posterior end of the ulna. It forms the protruding part of the elbow and is opposite to the cubital fossa or elbow pit ( trochlear notch ).

  3. Olecranon fossa - Wikipedia

    en.wikipedia.org/wiki/Olecranon_fossa

    The olecranon fossa is a deep triangular depression on the posterior side of the humerus, superior to the trochlea. It provides space for the olecranon of the ulna during extension of the forearm .

  4. Elbow - Wikipedia

    en.wikipedia.org/wiki/Elbow

    The elbow includes prominent landmarks such as the olecranon, the cubital fossa (also called the chelidon, or the elbow pit), and the lateral and the medial epicondyles of the humerus. The elbow joint is a hinge joint between the arm and the forearm ; [ 2 ] more specifically between the humerus in the upper arm and the radius and ulna in the ...

  5. Trochlear notch - Wikipedia

    en.wikipedia.org/wiki/Trochlear_notch

    About the middle of either side of this notch is an indentation, which contracts it somewhat, and indicates the junction of the olecranon and the coronoid process. The notch is concave from above downward, and divided into a medial and a lateral portion by a smooth ridge running from the summit of the olecranon to the tip of the coronoid process.

  6. Ulna - Wikipedia

    en.wikipedia.org/wiki/Ulna

    Close to the elbow, the ulna has a bony process, the olecranon process, a hook-like structure that fits into the olecranon fossa of the humerus. This prevents hyperextension and forms a hinge joint with the trochlea of the humerus. There is also a radial notch for the head of the radius, and the ulnar tuberosity to which muscles attach.

  7. Ulnar collateral ligament of elbow joint - Wikipedia

    en.wikipedia.org/wiki/Ulnar_collateral_ligament...

    Between these two bands a few intermediate fibers descend from the medial epicondyle to blend with a transverse band which bridges across the notch between the olecranon and the coronoid process. This ligament is in relation with the triceps brachii and flexor carpi ulnaris and the ulnar nerve , and gives origin to part of the flexor digitorum ...

  8. Cubital tunnel - Wikipedia

    en.wikipedia.org/wiki/Cubital_tunnel

    The cubital tunnel is bordered medially by the medial epicondyle of the humerus, laterally by the olecranon process of the ulna and the tendinous arch joining the humeral and ulnar heads of the flexor carpi ulnaris. [1]

  9. Humerus - Wikipedia

    en.wikipedia.org/wiki/Humerus

    Olecranon fossa of the humerus. The coronoid fossa is the medial hollow part on the anterior surface of the distal humerus. The coronoid fossa is smaller than the olecranon fossa and receives the coronoid process of the ulna during maximum flexion of the elbow. Coronoid fossa of the humerus