Muscles of Sole of Foot

Question 0

Abductor Hallucis

Insertion

Answer 0

Medial side of base of phalanx of 1st digit

Question 1

Abductor Hallucis

Origin

Answer 1

Medial tubercle of tuberosity of calcaneus, flexor retinaculum, and plantar aponeurosis

Question 2

Abductor Hallucis

Innervation

Answer 2

Medial Plantar Nerve S2, S3

Question 3

Abductor Hallucis

Actions

Answer 3

Abducts and flexes 1st digit (great toe, hallux)

Question 4

Flexor Digitorum Brevis

Origin

Answer 4

Medial tubercle of tuberosity of calcaneus, plantar aponeurosis, and intermuscular septum

Question 5

Flexor Digitorum Brevis

Insertion

Answer 5

Both sides of middle phalanges of lateral four digits

Question 6

Flexor Digitorum Brevis

Innervation

Answer 6

Medial plantar nerve S2, S3

Question 7

Flexor Digitorum Brevis

Actions

Answer 7

Flexes lateral four digits

Question 8

Abductor Digiti Minimi

Origin

Answer 8

Medial and lateral tubercles of tuberosity of calcaneus, plantar aponeurosis, and intermuscular septa

Question 9

Abductor Digiti Minimi

Insertion

Answer 9

Lateral side of base of proximal phalanx of 5th digit

Question 10

Abductor Digiti Minimi

Innervation

Answer 10

Lateral plantar nerve S2, S3

Question 11

Abductor Digiti Minimi

Actions

Answer 11

Abducts and flexes 5th digit

Question 12

Quadratus Plantae

Origin

Answer 12

Medial surface and lateral margin of plantar surface of calcaneus

Question 13

Quadratus Plantae

Insertion

Answer 13

Posterolateral margin of tendon of flexor digitorum longus

Question 14

Quadratus Plantae

Innervation

Answer 14

Lateral plantar nerve S2, S3

Question 15

Quadratus Plantae

Actions

Answer 15

Assists flexor digitorum longus in flexing lateral four digits

Question 16

Lumbricals

Origin

Answer 16

Tendons of flexor digitorum longus

Question 17

Lumbricals

Insertion

Answer 17

Medial aspect of expansion over lateral four digits

Question 18

Lumbricals

Innervation

Answer 18

Medial one-medial plantar nerve S2, S3

Lateral three-lateral plantar nerve S2, S3

Question 19

Lumbricals

Actions

Answer 19

Flex proximal phalanges; extend middle and distal phalanges of lateral four digits

Question 20

Flexor Hallucis Brevis

Origin

Answer 20

Plantar surfaces of cuboid and lateral cuneiform

Question 21

Flexor Hallucis Brevis

Insertion

Answer 21

Both sides of base of proximal phalanx of 1st digit

Question 22

Flexor Hallucis Brevis

Innervation

Answer 22

Medial plantar nerve S2, S3

Question 23

Flexor Hallucis Brevis

Actions

Answer 23

Flexes proximal phalanx of 1st digit

Question 24

Adductor Hallucis | Origin

Answer 24

Oblique-bases of metatarsals 2-4 | Transverse-plantar ligaments of 3rd-5th metatarsophalangeal joints

Question 25

Adductor Hallucis | Insertion

Answer 25

Tendons of both heads attach to lateral side of base of proximal phalanx of 1st digit

Question 26

Adductor Hallucis | Innervation

Answer 26

Deep branch of lateral plantar nerve S2, S3

Question 27

Adductor Hallucis | Actions

Answer 27

Adducts 1st digit; assists in maintaining transverse arch of foot

Question 28

Flexor digiti Minimi Brevis | Origin

Answer 28

Base of 5th metatarsal

Question 29

Flexor Digiti Minimi Brevis | Insertion

Answer 29

Base of proximal phalanx of 5th digit

Question 30

Flexor Digiti Minimi Brevis | Actions

Answer 30

Flexes proximal phalanx of 5th digit; thereby assisting with its flexion

Question 31

Plantar Interossei | Origin

Answer 31

Bases and medial sides of metatarsals 3-5

Question 32

Plantar Interossei | Insertion

Answer 32

Medial sides of bases of proximal phalanges of 3rd-5th digits

Question 33

Plantar Interossei | Innervation

Answer 33

Lateral plantar nerve S2, S3

Question 34

Plantar Interossei | Actions

Answer 34

Adduct digits (3-5) and flex metatarsophalangeal joints

Question 35

Dorsal Interossei | Origin

Answer 35

Adjacent sides of metatarsals 1-5

Question 36

Dorsal Interossei | Insertion

Answer 36

First-medial side of proximal phalanx of 2nd digit | Second to fourth-lateral sides of 2nd-4th digits

Question 37

Dorsal Interossei | Actions

Answer 37

Abduct digits (2-4) and flex metatarsophalangeal joints