Foot

Question 1

name the 3 muscles in the first layer of the sole of the foot

Answer 1

abductor hallucis
flexor digitorum brevis
abductor digiti minimi

Question 2

What is the origin of abductor hallucis

Answer 2

calcaneal tuberosity, flexor retinaculum, plantar aponeurosis

Question 3

what is the insertion of abductor hallucis

Answer 3

base of proximal phalanx of big toe

Question 4

what is the innervation of abductor hallucis

Answer 4

medial plantar nerve

Question 5

what is the function of abductor hallucis

Answer 5

abducts and flexes the big toe

Question 6

what is the origin of flexor digitorum brevis

Answer 6

calcaneal tuberosity, plantar aponeurosis

Question 7

what is the insertion of flexor digitorum brevis

Answer 7

middle phalanges of 4 lateral toes

Question 8

what is the innervation of flexor digitorum brevis

Answer 8

medial plantar nerve

Question 9

what is the function of flexor digitorum brevis

Answer 9

flexes 4 lateral toes

Question 10

what is the origin of abductor digiti minimi

Answer 10

calcaneal tuberosity, plantar aponeurosis

Question 11

what is the insertion of abductor digiti minimi

Answer 11

base of phalanx of 5th toe

Question 12

what is the innervation of abductor digiti minimi

Answer 12

lateral plantar nerve

Question 13

what is the function of abductor digiti minimi

Answer 13

abducts and flexes little toe

Question 14

name the 4 muscles in the 2nd layer of the sole of the foot

Answer 14

flexor hallucis brevis
quadratus plantae
flexor digiti minimi brevis
lumbricals

Question 15

what is the origin of flexor hallucis brevis

Answer 15

cuboid and lateral cuneiforms

Question 16

what is the insertion of flexor hallucis brevis

Answer 16

medial/lateral sides of base of proximal phalanx of big toe

Question 17

what is the innervation of flexor hallucis brevis

Answer 17

medial plantar nerve

Question 18

what is the function of flexor hallucis brevis

Answer 18

flexes big toe

Question 19

what is the origin of quadratus plantae

Answer 19

calcaneus

Question 20

what is the insertion of quadratus plantae

Answer 20

tendon of FDL

Question 21

what is the innervation of quadratus plantae

Answer 21

lateral plantar nerve

Question 22

what is the function of quadratus plantae

Answer 22

flexes 4 lateral toes

Question 23

what is the origin of flexor digiti minimi brevis

Answer 23

base of 5th metatarsal

Question 24

what is the insertion of flexor digiti minimi brevis

Answer 24

base of proximal phalanx of little toe

Question 25

what is the innervation of flexor digiti minimi brevis

Answer 25

lateral plantar nerve

Question 26

what is the function of flexor digiti minimi brevis

Answer 26

flexes little toe

Question 27

what are the origins of the lumbricals

Answer 27

tendons of FDL

Question 28

what are the insertions of the lumbricals

Answer 28

proximal phalanges

Question 29

what are the innervations of the lumbricals

Answer 29

1st lumbrical - medial plantar nerve | 2nd/3rd/4th - lateral plantar nerve

Question 30

what are the functions of the lumbricals

Answer 30

flex proximal phalanges and extend distal phalanges

Question 31

which muscle makes up the 3rd layer of the sole of the foot

Answer 31

adductor hallucis

Question 32

what is the origin of adductor hallucis

Answer 32

bases of 2nd-4th metatarsals

Question 33

what is the insertion of adductor hallucis

Answer 33

base of proximal phalanx of big toe

Question 34

what is the innervation of adductor hallucis

Answer 34

lateral plantar nerve

Question 35

what is the function of adductor hallucis

Answer 35

adducts big toe, flexes proximal phalanx

Question 36

What are the muscles of the foot

Answer 36

dorsal and plantar interossei

Question 37

What are the origins of the dorsal interossei

Answer 37

metatarsals

Question 38

what are insertions of the dorsal interossei

Answer 38

1st - medial proximal phalanx 2nd toe | 2nd-4th - lateral sides of toes 2-4

Question 39

what is the innervation of the dorsal interossei

Answer 39

lateral plantar nerve

Question 40

what are the functions of the dorsal interossei

Answer 40

abduct toes, flex proximal phalanges, extend distal phalanges

Question 41

what are the origins of the plantar interossei

Answer 41

bases 3rd-5th metatarsals

Question 42

what are the insertions of the plantar interossei

Answer 42

bases of 3rd-5th proximal phalanges

Question 43

what is the innervation of the plantar interossei

Answer 43

lateral plantar nerve

Question 44

what are the functions of the plantar interossei

Answer 44

adducts toes, flex proximal phalanges, extend distal phalanges

Question 45

Two dorsal muscles of the foot

Answer 45

extensor digitorum brevis and extensor hallucis brevis

Question 46

origin of extensor digitorum brevis

Answer 46

calcaneus

Question 47

insertion of extensor digitorum brevis

Answer 47

bases of middle phalanges 2-4

Question 48

innervation of extensor digitorum brevis

Answer 48

deep fibular nerve

Question 49

function of extensor digitorum brevis

Answer 49

extends MTPs 2-4

Question 50

origin of extensor hallucis brevis

Answer 50

calcaneus

Question 51

insertion of extensor hallucis brevis

Answer 51

base of 1st proximal phalanx

Question 52

innervation of extensor hallucis brevis

Answer 52

deep fibular nerve

Question 53

function of extensor hallucis brevis

Answer 53

extends big toe MTP