Lower Limb 5 Foot

Question 1

Name intrinsic muscles on dorsum of foot

Answer 1

Extensor Hallucis Brevis

Extensor Digitorum Brevis

Question 2

Extensor Hallucis Brevis - Origin

Answer 2

Superolateral surface of calcaneus

Question 3

Extensor Hallucis Brevis -Insertion

Answer 3

Base of proximal phalanx of great toe on dorsal surface

Question 4

Extensor Hallucis Brevis - Innervation

Answer 4

Deep Fibular Nerve (L5-S2)

Question 5

Extensor Hallucis Brevis - Action

Answer 5

Extension of metatarsophalangeal joint in great toe

Question 6

Extensor Digitorum Brevis - Origin

Answer 6

Superolateral surface of calcaneus

Question 7

Extensor Digitorum Brevis - Insertion

Answer 7

Lateral side of tendons of extensor digitorum longus of toes 2-4

Question 8

Extensor Digitorum Brevis - Innervation

Answer 8

Deep Fibular Nerve (L5-S2)

Question 9

Extensor Digitorum Brevis - Action

Answer 9

Extends digits 2-4

Question 10

How many layers of plantar surface of foot?

Answer 10

4

Question 11

Name the muscles of 1st Layer on plantar side

Answer 11

Flexor Digitorum Brevis
Abductor Hallucis
Abductor Digiti Minimi

Question 12

Flexor Digitorum Brevis - Origin

Answer 12

Medial Process of calcaneal tuberosity and plantar aponeurosis

Question 13

Flexor Digitorum Brevis - Insertion

Answer 13

Plantar surface of middle phalanges of lateral 4 toes

Question 14

Flexor Digitorum Brevis - Innervation

Answer 14

Medial Plantar Nerve (L4-L5)

Question 15

Flexor Digitorum Brevis - Action

Answer 15

Flexes lateral 4 toes at proximal interphalageal joint

Question 16

Abductor Hallucis - Origin

Answer 16

Medial Process of Calcaneal tuberosity

Question 17

Abductor Hallucis - Insertion

Answer 17

Medial side of base of proximal phalanx of great toe

Question 18

Abductor Hallucis - ɪnnervation

Answer 18

Medial Plantar ɴerve (ʟ4-ʟ5)

Question 19

Abductor Hallucis - Action

Answer 19

Abducts and flexes great toe at metatarsophalangeal joint

Question 20

Abductor Digiti Minimi - Origin

Answer 20

ʟateral and Medial processes of calcaneal tuberosity

Question 21

Abductor Digiti Minimi - ɪnsertion

Answer 21

ʟateral side of base of proximal phalanx of little toe

Question 22

Abductor Digiti Minimi - ɪnnervation

Answer 22

ʟateral Plantar ɴerve (S1-S2)

Question 23

Abductor Digiti Minimi - Action

Answer 23

Abducts little toes at metatarsophalangeal joint

Question 24

Name the 2nd layer muscles on the plantar side

Answer 24

Quadratus Plantae

Lumbricals (4)

Question 25

Quadratus Plantae - Origin

Answer 25

Medial Head - Medial surface of calcaneus | Lateral Head - Lateral process of calcaneal tuberosity

Question 26

Quadratus Plantae - Insertion

Answer 26

Lateral aspect of flexor digitorum longus tendon

Question 27

Quadratus Plantae - Innervation

Answer 27

Lateral Plantar Nerve (S1-S2)

Question 28

Quadratus Plantae - Action

Answer 28

Assists flexion of toes 2-5

Question 29

Lumbricals - Origin

Answer 29

Medial side of Flexor Digitorum Longus tendons

Question 30

Lumbricals - Insertion

Answer 30

Proximal phalanges and extensor hoods of lateral 4 toes

Question 31

Lumbricals - Innervation

Answer 31

Lumbrical to 2nd toe- Medial Plantar Nerve (L4-L5) | Lumbricals to 3,4,5 toes - Lateral Plantar Nerve (S1-S2)

Question 32

Lumbricals - Action

Answer 32

Flexes Metatarsophalangeal joints | Extends interphalangeal joints

Question 33

Name the muscles in 3rd layer

Answer 33

Flexor Hallucis Brevis Flexor Digiti Minimi Brevis Adductor Hallucis

Question 34

Flexor Hallucis Brevis - Origin

Answer 34

Plantar Surface of cuboid and lateral cuneiform

Question 35

Flexor Hallucis Brevis - Insertion

Answer 35

Base of proximal phalanx of great toe

Question 36

Flexor Hallucis Brevis - Innervation

Answer 36

Medial Plantar Nerve (L4-L5)

Question 37

Flexor Hallucis Brevis - Action

Answer 37

Flexes great toes at metatarsophalangeal joint

Question 38

Flexor Digiti Minimi Brevis - Origin

Answer 38

Base of 5th Metatarsal

Question 39

Flexor Digiti Minimi Brevis - Insertion

Answer 39

Lateral base of proximal phalanx of little toe

Question 40

Flexor Digiti Minimi Brevis - Innervation

Answer 40

Lateral Planter Nerve (S1-S2)

Question 41

Flexor Digiti Minimi Brevis - Action

Answer 41

Flexes little toes at MTP joint

Question 42

Adductor Hallucis - Origin

Answer 42

Transverse HEad - MTP joints of toes 3-5 | Oblique Head - Base of metatarsals 2-4

Question 43

Adductor Hallucis - Insertion

Answer 43

Lateral Side of proximal phalanx of great toe

Question 44

Adductor Hallucis - Innervation

Answer 44

LAteral Plantar Nerve (S1-S2)

Question 45

Adductor Hallucis - Action

Answer 45

Adducts great toe

Question 46

Name the muscles of the 4th layer

Answer 46

4 Dorsal and 3 Plantar interrosei

Question 47

Dorsal Interrosei - Origin

Answer 47

Sides of adjacent metatarsals

Question 48

Dorsal Interrosei - Insertion

Answer 48

Dorsal base of proximal phalanx of toes 2-4

Question 49

Dorsal Interrosei - Innervation

Answer 49

Lateral Plantar Nerve (S1-S2)

Question 50

Dorsal Interrosei - Actions

Answer 50

Abduction of toes 2-4

Question 51

Plantar interrosei - Origin

Answer 51

Medial sides of metatarsals 3-5

Question 52

Plantar interrosei - Insertion

Answer 52

Plantar medial bases of proximal phalanges of toes 3-5

Question 53

Plantar interrosei - Innervation

Answer 53

Lateral Plantar Nerve (S1-S2)

Question 54

Plantar interrosei - Actions

Answer 54

Adduction of toes 3-5

Question 55

Muscles supplied by Medial Plantar Nerve? 4

Answer 55

Flexor digitorum brevis Abductor Hallucis Lumbrical for 2nd toe Flexor Hallucis Brevis

Question 56

Muscles supplied by Lateral Plantar Nerve? 7

Answer 56

``` Abductor Digiti Minimi Quadratus Plantae Lumbricals of 3,4,5 toes Flexor Digiti Minimi Brevis (Superficial) Adductor Hallucis (Deep) Dorsal Interrosei Plantar Interrosei ```