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1 Οκτ 2024 · The ulna is a long bone in the forearm. 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. Proximally, the ulna articulates with the humerus at the elbow joint.
Even though it’s one long bone, your ulna is made up of several parts. These include: Ulna proximal aspect. The upper (proximal) end of your ulna connects to your humerus. It forms the bony point of your elbow. The ulna’s proximal end (aspect) contains the: Olecranon. Trochlear notch. Coronoid process. Radial notch. Ulnar tuberosity. Ulna shaft
The ulna is a long bone found in the forearm that stretches from the elbow to the wrist, and when in standard anatomical position, is found on the medial side of the forearm. It is broader close to the elbow, and narrows as it approaches the wrist.
25 Αυγ 2018 · Proximal or Upper End. At the proximal end of ulna, there are four important bony landmarks, the olecranon process, coronoid process, trochlear notch, and the radial notch [7]. Another notable prominence is the tuberosity of ulna.
Proximal ulna. The proximal ulna is hook-like in form which articulates with the trochlea of the humerus to create the hinge joint of the Elbow. [3] The articulation is formed of the olecranon and the coronoid process. Image: Overview of the radius and ulna (anterior and posterior views) [4] Olecranon.
30 Οκτ 2023 · The proximal ulna is a large hook-shaped structure which articulates with the distal humerus and the head of the radius. It bears the olecranon, trochlear notch, coronoid process , radial notch, sublime tubercle and ulnar tuberosity.
19 Σεπ 2021 · Prominent features of the ulna include: proximal: olecranon, trochlear notch, coronoid process, radial notch (lateral), sublime tubercle (medial) shaft: ulnar tuberosity. distal: head, styloid process, fovea, groove for extensor carpi ulnaris.
