Radiocarpal ligament

Radiocarpal ligament

The radiocarpal ligament is a crucial structure in the wrist joint, providing stability and facilitating movement. It is part of the complex network of ligaments that connect the radius to the carpal bones of the wrist.

Anatomy

The radiocarpal ligament is divided into two main parts:

• The palmar radiocarpal ligament, which is located on the anterior side of the wrist.
• The dorsal radiocarpal ligament, which is found on the posterior side of the wrist.

Palmar Radiocarpal Ligament

The palmar radiocarpal ligament extends from the anterior margin of the distal end of the radius and the styloid process of the radius to the proximal row of carpal bones, including the scaphoid, lunate, and triquetrum.

Dorsal Radiocarpal Ligament

The dorsal radiocarpal ligament runs from the posterior border of the distal end of the radius to the dorsal surfaces of the same carpal bones as the palmar radiocarpal ligament.

Function

The primary function of the radiocarpal ligament is to stabilize the radiocarpal joint, which is the joint between the radius and the first row of carpal bones. This ligament helps to maintain the alignment of the bones during wrist movements and prevents excessive motion that could lead to injury.

Clinical Significance

Injuries to the radiocarpal ligament can result from trauma, such as falls or direct impacts to the wrist. These injuries can lead to pain, swelling, and instability in the wrist joint. Diagnosis is typically made through physical examination and imaging studies such as X-ray or MRI.

Related Pages

• Wrist joint
• Radius (bone)
• Carpal bones
• Scaphoid
• Lunate
• Triquetrum
• Ligament