Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Med School Yr 2 > Muscles of the Foot > Flashcards

Muscles of the Foot Flashcards

1
Q

what are the two muscles on the dorsal aspect of the foot?

A
  • extensor digitorum brevis
  • extensor hallucis brevis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what are the origins and insertions of the extensor digitorum brevis?

A
  • origins - calcaneus
  • inserts - long extensor tendon of medial 4 toes
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what are the actions of the extensor digitorum brevis?

A

extension of lateal 4 toes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is the innervation of the extensor digitorum brevis?

A

deep fibuar nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are the origins and insertions of the extensor hallucis brevis?

A
  • origins - calcaneus
  • inserts - proximal phalanx of big toe
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what are the actions of the extensor hallucis brevis?

A

extension of the great toe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is the innervation of the extensor hallucis brevis?

A

deep fibular nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what muscle is this?

A

extensor digitorum brevis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what muscle is this?

A

extensor hallucis brevis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

how many muscles are there in the plantar aspect of the foot?

A

10 intrinsic muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

how many layers of muscles are there in the plantar aspect of the foot?

A

4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what are the 3 muscles in the first layer of the plantar aspect of the foot?

A
  • abductor hallucis
  • abductor digiti minimi
  • flexor digitorum brevis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what are the origins and insertions of the abductor hallucis?

A
  • origins - medial tubercle of calcenus, flexor retinaculum, plantar aponeurosis
  • inserts - medial base of proximal phalanx of big toe
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what are the actions of the abductor hallucis?

A

abduction and flexion of big toe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is the innervation of the abductor hallucis?

A

medial plantar nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what are the origins and insertions of the abductor digiti minimi?

A
  • origins - medial + lateral tubercles of calcaneus and plantar aponeurosis
  • inserts - lateral base of proximal phalanx of the 5th digit
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what are hte actions of the abductor digiti minimi?

A

abduction and flexion of little toe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what is the innervation of the abductor digiti minimi?

A

lateral plantar nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what are the origins and insertions of flexor digitorum brevis?

A

origins - medial tubercle of calcaneus and plantar aponeurosis
inserts - middle phalanges of lateral 4x digits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what are the actions of the flexor digitorum brevis?

A

flexion of lateral 4 toes at proximal IP joints

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what is the innervation of the flexor digitorum brevis?

A

medial plantar nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

label the muscles in the first layer of the plantar aspect of the foot

23
Q

how many muscles are in the second layer of the plantar aspect of the foot?

24
Q

what are the two muscles in the second layer of the plantar aspect of the foot?

A

lumbricals
quadratus plantae

25
what are the origins and insertions of the lumbricals of the foot?
origins - tendons of flexor digitorum longus inserts- extensor hoods of lateral 4 digits
26
what are the actions of the lumbricals?
flexion at metatarsophalangeal joints and extension of IP joints
27
what innervates the lumbricals of the foot?
medial lumbricals - medial plantar nerve lateral lumbricals - lateral plantar nerve
28
what are the origins and insertions of the quadratus plantae?
origins - medial and lateral plantar surfaces of calcaneus inserts - tendons of flexor digitorum longus
29
what are the actions of the quadratus plantae?
flexion of the 4 lateral toes
29
what innervates the quadratus plantae?
lateral plantar nerve
30
label the muscles in the second layer of the plantar aspect of the foot
31
how many muscles are in the third layer of the plantar aspect of the foot?
3
32
what are the 3 muscles in the third layer of the plantar aspect of the foot?
flexor hallucis brevis flexor digiti minimi brevis adductor hallucis
33
what are the origins and insertions of the flexor hallucis brevis?
origins - lateral - cuboid and lateral cuneiforms - medial - tendon of posterior tibialis inserts - base of great toe
34
what are the actions of the flexor hallucis brevis?
flexes toe at MP joint
35
what innervates the flexor hallucis brevis?
medial plantar nerve
36
what are the origins and insertions of the flexor digiti minimi brevis?
origin - base of 5th metatarsal inserts - base of proximal phalanx
37
what are the actions of the flexor digiti minimi brevis?
flexion of little toe at MP joint
38
what innervates the flexor digiti minimi brevis?
lateral plantar nerve
39
what are the origins and insertions of the adductor hallucis?
origins - * oblique head - bases of 2,3,4 metatarsals * transverse head - plantar ligaments of MP joints inserts - base of phalanx of big toe
40
what are the actions of the adductor hallucis?
adducts the great toe and supports transverse arch
41
what innervates the adductor hallucis?
deep branch of lateral plantar nerve
42
label the muscles in the third layer of the plantar aspect of the foot?
43
how many muscles are in the fourth layer of the plantar aspect of the foot?
4 dorsal interossei 3 plantar interossei
44
what are the origins and insertions of the dorsal interossei?
origin - lateral aspects of metatarsals inserts - proximal phalanges of digits
45
what are the actions of the dorsal interossei?
abduction of lateral 4 digits
46
what innervates the dorsal interossei?
lateral plantar nerve
47
what are the origins and insertions of the plantar interossei?
origins - medial side of metatarsals 3-5 inserts - medial sides of phalanges 3-5
48
what are the actions of the plantar interossei?
adducts lateral 3 digits + flexes MP joints
49
what innervates the plantar interossei?
lateral plantar nerve
50
label the muscles in the 4th layer of the plantar aspect of the foot
51
how many muscles are in each layer of the plantar aspect of the foot?
first - 3 second - 2 third - 3 fourth - 2
52
label these foot movements

Med School Yr 2 (96 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions