Ligaments of the Thumb

Description

Illustration of the radial and lateral collateral ligaments

Ulnar Collateral Ligament of the Thumb

• Runs along the ulnar side of the metacarpophalangeal Joint of the thumb
• Composed of the collateral ligament, accessory collateral ligament
• Prevents abduction or valgus/ radial deviation of the thumb at the 1st MTPJ

Radial Collateral Ligament of the Thumb

• Runs along the radial side of the metacarpophalangeal Joint of the thumb
• Prevents adduction or varus/ulnar deviation of the thumb at the 1st MTPJ

Dorsal Deltoid Shaped Ligaments

• Dorsal radial Ligament
• Dorsal central Ligament
• Posterior oblique Ligament

Volar Ligaments

• Anterior oblique Ligament
• Ulnar Collateral Ligament

Ulnar Ligament

• Intermetacarpal Ligament
• Dorsal Trapeziometacarpal Ligament

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Clinical Significance

Ulnar Collateral Ligament of the Thumb

• Gamekeepers Thumb
• Stener Lesion

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See Also

• Finger Pain Main
• Hand And Wrist Anatomy
• Physical Exam Hand

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