What type of joint is the wrist joint?

The wrist joint is a synovial ellipsoid joint, which allows biaxial movement (flexion/extension and abduction/adduction).

Which bones articulate at the wrist joint?

The wrist joint involves the proximal side with the lower end of the radius and the articular disc of the inferior radioulnar joint, and the distal side with the proximal surfaces of the scaphoid, lunate, and triquetral carpal bones. The ulna does not directly participate in this joint.

What are the main ligaments of the wrist joint?

Key ligaments include the capsular ligament, radial collateral ligament, ulnar collateral ligament, palmar radiocarpal and ulnocarpal ligaments, and dorsal radiocarpal ligament, which stabilize the joint.

What movements does the wrist joint allow?

The wrist joint permits biaxial movements, including flexion, extension, abduction, adduction, and circumduction.

What structures are located near the wrist joint?

Important structures near the wrist joint include flexor and extensor tendons, nerves like the median and ulnar, the radial artery, and the dorsal cutaneous branch of the ulnar nerve.

What is the clinical significance of the wrist joint?

Clinically, the wrist is prone to injuries and conditions like ganglion cysts, and superficial structures are highly vulnerable to damage.

How does the wrist joint differ from other hand joints?

The wrist joint is a synovial ellipsoid joint for biaxial movement, involving the radius and proximal carpal bones but not the ulna, which distinguishes it from other hand joints with varied structures and functions.

Wrist Joint (Radiocarpal) – Anatomy, Ligaments & Movements

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