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Flashcards in Foot Deck (53):
1

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

abductor hallucis
flexor digitorum brevis
abductor digiti minimi

2

What is the origin of abductor hallucis

calcaneal tuberosity, flexor retinaculum, plantar aponeurosis

3

what is the insertion of abductor hallucis

base of proximal phalanx of big toe

4

what is the innervation of abductor hallucis

medial plantar nerve

5

what is the function of abductor hallucis

abducts and flexes the big toe

6

what is the origin of flexor digitorum brevis

calcaneal tuberosity, plantar aponeurosis

7

what is the insertion of flexor digitorum brevis

middle phalanges of 4 lateral toes

8

what is the innervation of flexor digitorum brevis

medial plantar nerve

9

what is the function of flexor digitorum brevis

flexes 4 lateral toes

10

what is the origin of abductor digiti minimi

calcaneal tuberosity, plantar aponeurosis

11

what is the insertion of abductor digiti minimi

base of phalanx of 5th toe

12

what is the innervation of abductor digiti minimi

lateral plantar nerve

13

what is the function of abductor digiti minimi

abducts and flexes little toe

14

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

flexor hallucis brevis
quadratus plantae
flexor digiti minimi brevis
lumbricals

15

what is the origin of flexor hallucis brevis

cuboid and lateral cuneiforms

16

what is the insertion of flexor hallucis brevis

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

17

what is the innervation of flexor hallucis brevis

medial plantar nerve

18

what is the function of flexor hallucis brevis

flexes big toe

19

what is the origin of quadratus plantae

calcaneus

20

what is the insertion of quadratus plantae

tendon of FDL

21

what is the innervation of quadratus plantae

lateral plantar nerve

22

what is the function of quadratus plantae

flexes 4 lateral toes

23

what is the origin of flexor digiti minimi brevis

base of 5th metatarsal

24

what is the insertion of flexor digiti minimi brevis

base of proximal phalanx of little toe

25

what is the innervation of flexor digiti minimi brevis

lateral plantar nerve

26

what is the function of flexor digiti minimi brevis

flexes little toe

27

what are the origins of the lumbricals

tendons of FDL

28

what are the insertions of the lumbricals

proximal phalanges

29

what are the innervations of the lumbricals

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

30

what are the functions of the lumbricals

flex proximal phalanges and extend distal phalanges

31

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

adductor hallucis

32

what is the origin of adductor hallucis

bases of 2nd-4th metatarsals

33

what is the insertion of adductor hallucis

base of proximal phalanx of big toe

34

what is the innervation of adductor hallucis

lateral plantar nerve

35

what is the function of adductor hallucis

adducts big toe, flexes proximal phalanx

36

What are the muscles of the foot

dorsal and plantar interossei

37

What are the origins of the dorsal interossei

metatarsals

38

what are insertions of the dorsal interossei

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

39

what is the innervation of the dorsal interossei

lateral plantar nerve

40

what are the functions of the dorsal interossei

abduct toes, flex proximal phalanges, extend distal phalanges

41

what are the origins of the plantar interossei

bases 3rd-5th metatarsals

42

what are the insertions of the plantar interossei

bases of 3rd-5th proximal phalanges

43

what is the innervation of the plantar interossei

lateral plantar nerve

44

what are the functions of the plantar interossei

adducts toes, flex proximal phalanges, extend distal phalanges

45

Two dorsal muscles of the foot

extensor digitorum brevis and extensor hallucis brevis

46

origin of extensor digitorum brevis

calcaneus

47

insertion of extensor digitorum brevis

bases of middle phalanges 2-4

48

innervation of extensor digitorum brevis

deep fibular nerve

49

function of extensor digitorum brevis

extends MTPs 2-4

50

origin of extensor hallucis brevis

calcaneus

51

insertion of extensor hallucis brevis

base of 1st proximal phalanx

52

innervation of extensor hallucis brevis

deep fibular nerve

53

function of extensor hallucis brevis

extends big toe MTP