Dorsal Intercarpal Ligament

Description

The dorsal radiocarpal ligament, dorsal distal radioulnar ligament and dorsal intercarpal ligament

Illustration of the dorsal intercarpal ligament

Name

• Dorsal Intercarpal Ligament
• Dorsal Midcarpal Ligaments

General

• One of the extrinsic wrist ligaments
• Component of the Dorsal Carpal Ligaments

Gross Anatomy

• Horizontal orientation
• Runs from the dorsal tubercle of the triquetrum to the dorsal groove of the scaphoid
• Also has attachments to the lunate
• In 50% of individuals, it also attaches to the trapezium, capitate
• Forms the floor of the fourth and fifth dorsal extensor compartments

Dorsal Scaphotriquetral Ligament

• Not widely agreed upon as a discrete or distinct anatomic ligament
• Considered a thickened part of the dorsal intercarpal ligament
• Extends between the dorsal aspects of the scaphoid and triquetrum

Function

• Provide stability to the carpal bones, especially the intercarpal joints
• In particular, it contributes to scapholunate stability

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Clinical Significance

• Scapholunate Dissociation

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See Also

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

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