Palmer Radioulnar Ligament

Description

Illustration of the palmer radiolunar ligament (bottom right)

Anatomic relationship between ECU sheath floor, prestyloid recess, and triangular fibrocartilage complex (TFCC), which comprises ulnocarpal ligamentous complex (UCLC), disk, and palmar and dorsal radioulnar (RU) ligaments.

Name

• Palmer Radioulnar Ligament
• Volar Radioulnar Ligament
• Ligamentum Radioulnare Palmare
• Anterior Radioulnar Ligament

General

• Thickened part of the triangular fibrocartilaginous complex
• Connects the palmar surface of the distal radius to the distal ulna
• Supports the distal radioulnar joint

Function

• Stabilizes the ulnocarpal and radioulnar joints
• Facilitates movements at the wrist joint
• Transmits load from the carpal bones to the ulna

---

Clinical Significance

• Distal Radioulnar Joint Dislocation
• Distal Radioulnar Joint Instability
• Distal Radial Ulnar Joint Injection
• Galeazzi Fracture
• Colles Fracture
• Smith Fracture

---

See Also

• Wrist Anatomy Main
• Physical Exam Wrist
• Wrist Pain Main

---