[X]
01
Click on the structure to specify the target of your label
01
  • labels

Dorsal interossei of the foot


Muscle parts

None

Latin name

Musculi interossei dorsalis (pes)

Latin muscle parts

None

Group

Foot muscle – plantar group – fourth layer

Etymology

This muscle’s name in English is the muscle between the bones on the back of the foot. Interossei comes from the Latin terms inter meaning “between” and os meaning “bone.” The word dorsalis is from the Latin dorsum for “back.”

Origin

Two headed bipennate muscles that attach to the adjacent surfaces of all the metatarsal bones.

Insertion

Sides of the bases of the proximal phalanges and the extensor expansion of the toes 2, 3, and 4; they attach to both sides of the second toe and to the lateral side of toes three and four.

Action

Abduction of digits 2, 3, and 4; extension of the interphalangeal joints.

Nerve supply

Lateral plantar nerve (S2 and S3)

Blood supply

The muscle is supplied by the lateral tarsal arteries, the medial tarsal arteries, the first to fourth plantar and dorsal metacarpal arteries, and the dorsal digital arteries.

Comments

Related Images

View All