Connective Tissue
Accessory Collateral Ligaments of Proximal Interphalangeal Joints of Hand
Ligamenta collateralia accessoria articulationum interphalangearum proximalium manus
Read moreAnatomical 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.
Related parts of the anatomy
Function
Each accessory collateral ligament, along with proper collateral ligaments, act as primary stabilizers the interphalangeal joint.
Learn more about this topic from other Elsevier products
Ulnar Collateral Ligament (Thumb)
Thumb ulnar collateral ligament (gamekeeper’s or skier’s thumb)
