Deck 17: Extrinsic Muscles of the Toe Joints

Question 1

If a muscle crosses the ankle joint anteriorly with a vertical direction to its fibers,what action will it most likely have?

A)dorsiflexion of the foot at the ankle joint
B)plantarflexion of the foot at the ankle joint
C)inversion of the foot at the subtalar joint
D)eversion of the foot at the subtalar joint

Answer 1

A

Question 2

If a muscle crosses the subtalar joint medially with a vertical direction to its fibers,what action will it most likely have?

A)dorsiflexion of the foot at the ankle joint
B)plantarflexion of the foot at the ankle joint
C)inversion of the foot at the subtalar joint
D)eversion of the foot at the subtalar joint

Answer 2

C

Question 3

If a muscle crosses the ankle joint posteriorly with a vertical direction to its fibers,what action will it most likely have?

A)dorsiflexion of the foot at the ankle joint
B)plantarflexion of the foot at the ankle joint
C)inversion of the foot at the subtalar joint
D)eversion of the foot at the subtalar joint

Answer 3

B

Question 4

Which muscle attaches onto the big toe (toe number one)?

A)tibialis anterior
B)flexor digitorum longus
C)extensor hallucis longus
D)fibularis tertius

Question 5

If a muscle crosses the metatarsophalangeal and/or interphalangeal joints on the dorsal side of the foot,what action will it most likely have at these joints?

A)flexion of toes
B)extension of toes
C)abduction of toes
D)adduction of toes

Question 6

Which are the attachments of the extensor hallucis longus?

A)proximal anterior fibula to the dorsal surface of toes two through five
B)distal anterior fibula to the fifth metatarsal
C)proximal anterior tibia to the medial foot
D)middle anterior fibula to the dorsal surface of the big toe (toe number one)

Question 7

Which is an action(s)of the extensor hallucis longus?

A)eversion of the foot at the subtalar joint
B)plantarflexion of the foot at the ankle joint
C)dorsiflexion of the foot at the ankle joint
D)all of the above

Question 8

Which are the attachments of the flexor digitorum longus?

A)middle posterior tibia to the plantar surface of toes two through five
B)distal posterolateral femur to the proximal posterior tibia
C)proximal posterior tibia and fibula to the plantar surface of the foot
D)distal posterior fibula to the plantar surface of the big toe (toe number one)

Question 9

Which is an action of the extensor digitorum longus?

A)flexion of the leg at the knee joint
B)plantarflexion of the foot at the ankle joint
C)extension of toes two through five at the metatarsophalangeal and interphalangeal joints
D)flexion of toes two through five at the metatarsophalangeal and interphalangeal joints

Question 10

Which is an action of the flexor hallucis longus at the metatarsophalangeal and interphalangeal joints?

A)extension of toes two through five
B)flexion of toes two through five
C)flexion of the big toe (toe number one)
D)extension of the big toe (toe number one)

Question 11

Which is an action of the flexor digitorum longus?

A)dorsiflexion of the foot at the ankle joint
B)eversion of the foot at the subtalar joint
C)plantarflexion of the foot at the ankle joint
D)flexion of the leg at the knee joint

Question 12

If a muscle crosses the subtalar joint laterally with a vertical direction to its fibers,what action will it most likely have?

A)dorsiflexion of the foot at the ankle joint
B)plantarflexion of the foot at the ankle joint
C)inversion of the foot at the subtalar joint
D)eversion of the foot at the subtalar joint

Question 13

If a muscle crosses the metatarsophalangeal and/or interphalangeal joints on the plantar side of the foot,what action will it most likely have at these joints?

A)flexion of toes
B)extension of toes
C)abduction of toes
D)adduction of toes

Question 14

Which is an action of the extensor digitorum longus?

A)plantarflexion of the foot at the ankle joint
B)dorsiflexion of the foot at the ankle joint
C)inversion of the foot at the subtalar joint
D)extension of fingers two through five at the metacarpophalangeal and interphalangeal joints

Question 15

Which is an action of the flexor digitorum longus at the metatarsophalangeal and interphalangeal joints?

A)extension of toes two through five
B)flexion of toes two through five
C)flexion of the big toe (toe number one)
D)adduction of toes two through five

Question 16

Which are the attachments of the flexor hallucis longus?

A)middle posterior tibia to the plantar surface of toes two through five
B)distal posterolateral femur to the proximal posterior tibia
C)proximal posterior tibia and fibula to the plantar surface of the foot
D)distal posterior fibula to the plantar surface of the big toe (toe number one)

Question 17

Which muscles attach onto the big toe (toe number one)?

A)extensor digitorum longus and flexor digitorum longus
B)tibialis anterior and tibialis posterior
C)extensor hallucis longus and flexor hallucis longus
D)fibularis longus and fibularis brevis

Question 18

Which are the attachments of the extensor digitorum longus?

A)proximal anterior fibula to the dorsal surface of toes two through five
B)distal anterior fibula to the fifth metatarsal
C)proximal anterior tibia to the medial foot
D)middle anterior fibula to the dorsal surface of the big toe (toe number one)

Question 19

Which is an action of the extensor hallucis longus at the metatarsophalangeal and interphalangeal joints?

A)extension of the little toe (toe number five)
B)extension of the big toe (toe number one)
C)abduction of the big toe (toe number one)
D)abduction of the little toe (toe number five)

Question 20

Which is an action of the flexor digitorum longus?

A)dorsiflexion of the foot at the ankle joint
B)flexion of fingers two through five at the metacarpophalangeal and interphalangeal joints
C)eversion of the foot at the subtalar joint
D)inversion of the foot at the subtalar joint

Question 21

If a muscle crosses the metatarsophalangeal and/or interphalangeal joints on the plantar side of the foot,what eccentric function will it most likely have?

A)restrains/slows flexion of toes
B)restrains/slows extension of toes
C)restrains/slows abduction of toes
D)restrains/slows adduction of toes

Question 22

Which is an eccentric function of the extensor digitorum longus?

A)restrains/slows flexion of the leg at the knee joint
B)restrains/slows dorsiflexion of the foot at the ankle joint
C)restrains/slows extension of toes two through five at the metatarsophalangeal and interphalangeal joints
D)restrains/slows flexion of toes two through five at the metatarsophalangeal and interphalangeal joints

Question 23

If a muscle crosses the ankle joint anteriorly with a vertical direction to its fibers,what eccentric function will it most likely have?

A)restrains/slows dorsiflexion of the foot at the ankle joint
B)restrains/slows plantarflexion of the foot at the ankle joint
C)restrains/slows inversion of the foot at the subtalar joint
D)restrains/slows eversion of the foot at the subtalar joint

Question 24

Which are actions of the flexor hallucis longus?

A)flexion of the thumb at the metacarpophalangeal and interphalangeal joints,and flexion of the hand at the wrist joint
B)flexion of the big toe (toe number one)at the metatarsophalangeal and interphalangeal joints,and plantarflexion of the foot at the ankle joint
C)flexion of the thumb at the metacarpophalangeal and interphalangeal joints,and extension of the hand at the wrist joint
D)flexion of the big toe (toe number one)at the metatarsophalangeal and interphalangeal joints,and dorsiflexion of the foot at the ankle joint

Question 25

Which are eccentric functions of the flexor hallucis longus?

A)restrains/slows flexion of the thumb at the metacarpophalangeal and interphalangeal joints and flexion of the hand at the wrist joint
B)restrains/slows flexion of the big toe (toe number one)at the metatarsophalangeal and interphalangeal joints and plantarflexion of the foot at the ankle joint
C)restrains/slows flexion of the thumb at the metacarpophalangeal and interphalangeal joints and extension of the hand at the wrist joint
D)restrains/slows extension of the big toe (toe number one)at the metatarsophalangeal and interphalangeal joints and dorsiflexion of the foot at the ankle joint

Question 26

Which is an action of the flexor digitorum longus?

A)restrains/slows plantarflexion of the foot at the ankle joint
B)restrains/slows flexion of fingers two through five at the metacarpophalangeal and interphalangeal joints
C)restrains/slows eversion of the foot at the subtalar joint
D)restrains/slows inversion of the foot at the subtalar joint

Question 27

Which is an action of the flexor hallucis longus?

A)inversion of the foot at the subtalar joint
B)eversion of the foot at the subtalar joint
C)flexion of the thumb at the metacarpophalangeal and interphalangeal joints
D)dorsiflexion of the foot at the ankle joint

Question 28

Which is an action of the flexor hallucis longus?

A)flexion of the leg at the knee joint
B)plantarflexion of the foot at the ankle joint
C)dorsiflexion of the foot at the ankle joint
D)flexion of the thigh at the hip joint

Question 29

If a muscle crosses the ankle joint posteriorly with a vertical direction to its fibers,what eccentric function will it most likely have?

A)restrains/slows dorsiflexion of the foot at the ankle joint
B)restrains/slows plantarflexion of the foot at the ankle joint
C)restrains/slows inversion of the foot at the subtalar joint
D)restrains/slows eversion of the foot at the subtalar joint

Question 30

Which is an eccentric function of the flexor hallucis longus at the metatarsophalangeal and interphalangeal joints?

A)restrains/slows extension of toes two through five
B)restrains/slows flexion of toes two through five
C)restrains/slows flexion of the big toe (toe number one)
D)restrains/slows extension of the big toe (toe number one)

Question 31

Which is an eccentric function of the extensor hallucis longus at the metatarsophalangeal and interphalangeal joints?

A)restrains/slows extension of the little toe (toe number five)
B)restrains/slows extension of the big toe (toe number one)
C)restrains/slows abduction of the big toe (toe number one)
D)restrains/slows flexion of the big toe (toe number one)

Question 32

Which is an eccentric function of the flexor digitorum longus?

A)restrains/slows extension of toes two through five at the metatarsophalangeal and interphalangeal joints
B)restrains/slows flexion of toes two through five at the metatarsophalangeal and interphalangeal joints
C)restrains/slows flexion of the big toe (toe number one)at the metatarsophalangeal and interphalangeal joints
D)restrains/slows flexion of fingers two through five at the metacarpophalangeal and interphalangeal joints

Question 33

If a muscle crosses the subtalar joint laterally with a vertical direction to its fibers,what eccentric function will it most likely have?

A)restrains/slows dorsiflexion of the foot at the ankle joint
B)restrains/slows plantarflexion of the foot at the ankle joint
C)restrains/slows inversion of the foot at the subtalar joint
D)restrains/slows eversion of the foot at the subtalar joint

Question 34

If a muscle crosses the subtalar joint medially with a vertical direction to its fibers,what eccentric function will it most likely have?

A)restrains/slows dorsiflexion of the foot at the ankle joint
B)restrains/slows plantarflexion of the foot at the ankle joint
C)restrains/slows inversion of the foot at the subtalar joint
D)restrains/slows eversion of the foot at the subtalar joint

Question 35

Which is an eccentric function of the flexor hallucis longus?

A)restrains/slows flexion of the leg at the knee joint
B)restrains/slows plantarflexion of the foot at the ankle joint
C)restrains/slows dorsiflexion of the foot at the ankle joint
D)restrains/slows inversion of the foot at the subtalar joint

Question 36

Which are eccentric functions of the extensor digitorum longus at the metatarsophalangeal and interphalangeal joints,and the ankle joint?

A)restrains/slows flexion of toes two through five and dorsiflexion of the foot
B)restrains/slows extension of toes two through five and dorsiflexion of the foot
C)restrains/slows flexion of toes two through five and plantarflexion of the foot
D)restrains/slows extension of toes two through five and plantarflexion of the foot

Question 37

Which are actions of the extensor hallucis longus?

A)extension of the big toe (toe number one)at the metatarsophalangeal and interphalangeal joints and dorsiflexion of the foot at the ankle joint
B)extension of the thumb at the metacarpophalangeal and interphalangeal joints and extension of the hand at the wrist joint
C)flexion of the big toe (toe number one)at the metatarsophalangeal and interphalangeal joints and plantarflexion of the foot at the ankle joint
D)flexion of the thumb at the metacarpophalangeal and interphalangeal joints and flexion of the hand at the wrist joint

Question 38

Which is an eccentric function of the extensor digitorum longus?

A)restrains/slows plantarflexion of the foot at the ankle joint
B)restrains/slows dorsiflexion of the foot at the ankle joint
C)restrains/slows eversion of the foot at the subtalar joint
D)restrains/slows extension of fingers two through five at the metacarpophalangeal and interphalangeal joints

Question 39

If a muscle crosses the metatarsophalangeal and/or interphalangeal joints on the dorsal side of the foot,what eccentric function will it most likely have?

A)restrains/slows flexion of toes
B)restrains/slows extension of toes
C)restrains/slows abduction of toes
D)restrains/slows adduction of toes

Question 40

Which are actions of the extensor digitorum longus at the metatarsophalangeal and interphalangeal joints,and the ankle joint?

A)flexion of toes two through five,and dorsiflexion of the foot
B)extension of toes two through five,and dorsiflexion of the foot
C)flexion of toes two through five,and plantarflexion of the foot
D)extension of toes two through five,and plantarflexion of the foot

Question 41

What muscle is "Harry" of the "Tom,Dick,and Harry" muscles?

A)flexor hallucis longus
B)flexor hallucis brevis
C)gastrocnemius
D)flexor digiti minimi pedis

Question 42

In which compartment of the leg is the extensor hallucis longus located?

A)anterior
B)lateral
C)superficial posterior
D)deep posterior

Question 43

What muscle is "Dick" of the "Tom,Dick,and Harry" muscles?

A)flexor digitorum brevis
B)extensor digitorum longus
C)flexor digitorum longus
D)tibialis posterior

Question 44

What nerve innervates the muscles of the posterior compartments of the leg?

A)obturator
B)superficial fibular
C)deep fibular
D)tibial

Question 45

What nerve innervates the flexor hallucis longus?

A)tibial
B)femoral
C)superficial fibular
D)deep fibular

Question 46

How many muscles are in the anterior compartment of the leg?

A)2
B)4
C)6
D)7

Question 47

What nerve innervates the extensor hallucis longus?

A)tibial
B)femoral
C)superficial fibular
D)deep fibular

Question 48

What nerve innervates the muscles of the anterior compartment of the leg?

A)obturator
B)superficial fibular
C)deep fibular
D)tibial

Question 49

The most distal and lateral aspect of the extensor digitorum longus does not attach to a digit;therefore it is given a separate name.What name is it given?

A)fibularis longus
B)fibularis brevis
C)fibularis tertius
D)extensor digitorum brevis

Question 50

Which muscles are innervated by the deep fibular nerve?

A)fibularis tertius and fibularis longus
B)extensor digitorum longus and flexor digitorum longus
C)extensor digitorum longus and extensor hallucis longus
D)extensor hallucis longus and flexor hallucis longus

Question 51

What nerve innervates the extensor digitorum longus?

A)tibial
B)femoral
C)superficial fibular
D)deep fibular

Question 52

What are the major muscle compartments of the leg?

A)anterior,posterior,lateral,and medial
B)anterior,posterior,and lateral
C)anterior,posterior,and medial
D)lateral,medial,and anterior

Question 53

Why are all three "Tom,Dick,and Harry" muscles grouped together?

A)they are all in the anterior compartment of the leg and have the letters "T,D,and H" in their respective names
B)they are all in the deep posterior compartment of the leg and all their distal tendons cross posterior and then inferior to the lateral malleolus of the fibula,and have the letters "T,D,and H" in their respective names
C)they are all in the deep posterior compartment of the leg and all their distal tendons cross posterior and then inferior to the medial malleolus of the tibia,and have the letters "T,D,and H" in their respective names
D)they are all in the superficial posterior compartment of the leg and their bellies are arranged in the order of "T",then "D," and then "H," standing for tibialis posterior,extensor digitorum longus,and extensor hallucis longus

Question 54

What nerve innervates the muscles of the deep posterior compartment of the leg?

A)tibial
B)superficial fibular
C)deep fibular
D)obturator

Question 55

What nerve innervates the flexor digitorum longus?

A)femoral
B)tibial
C)superficial fibular
D)deep fibular

Question 56

The dorsal digital expansion of the foot (for toes two through five)is formed by what muscle?

A)extensor digitorum
B)extensor digiti minimi
C)extensor digitorum longus
D)extensor digitorum brevis

Question 57

In which compartment of the leg is the flexor digitorum longus located?

A)anterior
B)lateral
C)superficial posterior
D)deep posterior