- May 2, 2026The posterior (subcutaneous) border of the ulna runs from the olecranon to the ulnar head, lying directly beneath the skin…
- May 2, 2026The olecranon is the large posterior prominence of the proximal ulna, providing the insertion for the triceps tendon on its…
- May 2, 2026The ulnar head is the expanded distal end of the ulna, articulating with the sigmoid notch of the radius at…
- May 2, 2026The interosseous crest of the radius is the sharp medial ridge running along the length of the radial shaft, providing…
- May 2, 2026The interosseous crest of the ulna runs along the lateral surface of the ulnar shaft, mirroring the radial crest across…
- May 2, 2026The radial shaft has a characteristic lateral bow, maximal at its mid-point, which is essential for full forearm rotation. Its…
- May 2, 2026The ulnar shaft is the relatively straight medial bone of the forearm, subcutaneous along its posterior (dorsal) border throughout its…
- May 2, 2026The radial neck is the constricted segment of the proximal radius between the radial head and the radial tuberosity, approximately…
- May 2, 2026The radial tuberosity is an oval roughened prominence on the medial surface of the proximal radius, approximately 2 cm distal…
- May 2, 2026The radius is the lateral bone of the forearm that rotates around the ulna to produce supination and pronation of…