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Elsevier
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Accessory Collateral Ligaments of Proximal Interphalangeal Joints of Hand
Connective Tissue

Accessory Collateral Ligaments of Proximal Interphalangeal Joints of Hand

Ligamenta collateralia accessoria articulationum interphalangearum proximalium manus

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Anatomical Relations

The accessory collateral ligaments of the interphalangeal joints are fan-shaped, triangular fibrous bands that attach to each side of the interphalangeal joint, holding the joint firmly in place. They extend obliquely from the dorsal surface of the proximal phalanx to the palmar surface of the distal phalanx.

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Accessory Collateral Ligaments of Proximal Interphalangeal Joints of Hand
Accessory Collateral Ligaments of Proximal Interphalangeal Joints of Hand
Accessory Collateral Ligaments of Proximal Interphalangeal Joints of Hand

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Function

Each accessory collateral ligament, along with proper collateral ligaments, act as primary stabilizers the interphalangeal joint.

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