Body Region: Upper Arm

  • May 2, 2026
    The lateral collateral ligament complex of the elbow consists of the radial collateral ligament (to the annular ligament), the lateral…
  • May 2, 2026
    The ulnar collateral ligament of the elbow has three bundles with the anterior bundle being the primary stabiliser against the…
  • May 2, 2026
    The lateral collateral ligament complex of the elbow includes the radial collateral ligament, the lateral ulnar collateral ligament, and the…
  • May 2, 2026
    The annular ligament encircles the radial head like a collar, binding it to the ulna without restricting rotation, and forms…
  • May 2, 2026
    The trochlear notch (semilunar notch) of the ulna is the large C-shaped articular surface of the proximal ulna that wraps…
  • May 2, 2026
    The trochlea is the spool-shaped medial articular surface of the distal humerus, articulating with the trochlear notch of the ulna…
  • May 2, 2026
    The capitulum is the spherical lateral articular surface of the distal humerus, articulating with the concave superior surface of the…
  • May 2, 2026
    The medial epicondyle is the non-articular bony prominence on the posteromedial distal humerus, providing the common origin for the flexor-pronator…
  • May 2, 2026
    The deltoid tuberosity is the V-shaped roughened area on the anterolateral surface of the mid-humeral shaft, providing the insertion for…
  • May 2, 2026
    The capitellum is the rounded lateral articular surface of the distal humerus, articulating with the radial head at the radiocapitellar…

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