Foot Muscles

Question 1

Dorsal Interossei

Answer 1

Origin:
Adjacent metatarsals

Insertion:
Bases of proximal phalanges & Extensor expansions

Function:
Abducts toes

Question 2

Plantar Interossei

Answer 2

Origin:
Metatarsals 3-5

Insertion:
Bases of proximal phalanges & extensor expansions

Function:
Adducts toes

Question 3

Lumbricals

Answer 3

Origin:
Tendons of flexor digitorum longus

Insertion:
Extensor expansions

Function:
Flexes metatarsophalangeal joints, Extends interphalangeal joints

Question 4

Flexor Digitorum Brevis

Answer 4

Origin:
Calcaneus

Insertion:
Middle phalanges of toes 2-5

Function:
Flexes toes

Question 5

Abductor Hallucis

Answer 5

Origin:
Medial process of calcaneal tuberosity, Flexor retinaculum

Insertion:
Proximal phalanx of big toe

Function:
Abducts big toe

Question 6

Abductor Digiti Minimi

Answer 6

Origin:
Calcaneus & flexor retinaculum

Insertion:
Proximal phalanx of little toe

Function:
Abducts little toe

Question 7

Origin:
Adjacent metatarsals

Insertion:
Bases of proximal phalanges & Extensor expansions

Function:
Abducts toes

Answer 7

Dorsal Interossei

Question 8

Origin:
Metatarsals 3-5

Insertion:
Bases of proximal phalanges & extensor expansions

Function:
Adducts toes

Answer 8

Plantar Interossei

Question 9

Origin:
Tendons of flexor digitorum longus

Insertion:
Extensor expansions

Function:
Flexes metatarsophalangeal joints, Extends interphalangeal joints

Answer 9

Lumbricals

Question 10

Origin:
Calcaneus

Insertion:
Middle phalanges of toes 2-5

Function:
Flexes toes

Answer 10

Flexor Digitorum Brevis

Question 11

Origin:
Medial process of calcaneal tuberosity, Flexor retinaculum

Insertion:
Proximal phalanx of big toe

Function:
Abducts big toe

Answer 11

Abductor Hallucis

Question 12

Origin:
Calcaneus & flexor retinaculum

Insertion:
Proximal phalanx of little toe

Function:
Abducts little toe

Answer 12

Abductor Digiti Minimi