Plantar Interphalangeal Ligaments (Great Toe; Left)
Ligamenta interphalangeal plantaria
Read moreStructure
The plantar interphalangeal ligament of the great toe is a thick, dense, fibrocartilaginous band, or plate, found on the plantar surface of the interphalangeal joint. It attaches to the head of the proximal phalanx and the base of the middle phalanx.
Related parts of the anatomy
Anatomical Relations
The plantar interphalangeal ligaments blend with the collateral ligaments.
Function
The plantar interphalangeal ligaments help increase the articulation area for the base of the phalanx and limit the degree of extension at the interphalangeal joint. They also reinforce the articular capsule surrounding the interphalangeal joints.
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Hallux
“Hallux abductus” is a transverse plane deformity of the great toe in which it is moving toward, abutting, overriding, or underriding the second toe.
