muscles of the leg and foot Flashcards

1
Q

any tendon that crosses anterior to either malleolus will?

A

at least dorsiflex the foot

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2
Q

Any tendon that crosses posterior to either
malleolus will

A

at least plantar flex the foot

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3
Q

Any muscle that has the term Tibialis in its name will

A

at least invert the foot.

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4
Q

Any muscle that has the term Fibularis in its name will

A

at least evert the foot

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5
Q

how are the leg muscles compartamenalized?

A

-anterior
-lateral
-superficial posterior compartment
-deep posterior compartment

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6
Q

what is the deep fascia that invests the leg?

A

Crural fascia

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7
Q

anterior leg muscles

A

-Tibialis anterior
-Extensor Hallucis longus
-Extensor digitorum longus
-fibularis tertius m.

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8
Q

anterior leg muscles are all innervated by the?

A

deep fibular n.

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9
Q

anterior leg muscle actions

A

dorsiflexors of the ankle and extensors of the toes

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10
Q

tibialis anterior m. 2nd action

A

invert foot

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11
Q

extensor hallucis longus 2nd action

A

extend hallux

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12
Q

extensor digitorum longus m. 2nd action

A

extend digits 2-5

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13
Q

fibularis tertius 2nd action

A

evert foot

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14
Q

lateral leg muscles

A

fibularis longus m
fibularis brevis m

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15
Q

lateral leg muscles innervation

A

superficial fibular nerve

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16
Q

actions of the lateral leg muscles

A

plantar flexor of ankle and eversion of the foot

17
Q

posterior leg muscles (superficial)

A

gastrocnemius
soleus
plantaris

18
Q

posterior leg muscles (superficial) innervation

A

tibial nerve

19
Q

posterior leg muscles (superficial) action

A

plantar flexors of the ankle

20
Q

gastrocnemius and plantaris also?

A

flex the knee

21
Q

where do the superficial posterior leg muscles attach?

A

all come down and attach to the calcaneal tendon

22
Q

what are the deep posterior leg muscles?

A

-popliteus
-tibialis posterior
-flexor hallucis longus
-flexor digitorum longus

23
Q

what are all of the deep posterior leg muscles innervated by?

A

tibial nerve

24
Q

what is the general action of the deep posterior leg muscles?

A

plantar flexors and flexors of the toes

25
why is the popliteus muscle an exception in this compartment?
it flexes the knee (leg) and medially rotates the tibia
26
tarsal tunnel order?
Tom, Dick, And, Nervous Harry 1. tendon of TIBIALIS posterior 2. tendon of flexor DIGITORUM longus 3. posterior tibial ARTERY 4. tibial NERVE 5. tendon of flexor HALLUCIS longus
27
muscles of the dorsum of the foot
Extensor hallucis brevis m. Extensor digitorum brevis m.
28
what are both of the dorsal muscles of the foot innervated by?
deep fibular nerve
29
what is the action of the muscles of the dorsal foot?
extensors of the toes 1-4
30
muscles of the plantar surface of the foot?
abductor hallucis m. Flexor digitorum brevis m. abductor digiti minimi m.
31
what are adductor hallucis and flexor digitorum brevis innervated by?
medial plantar nerve
32
what is the adductor digiti minimi muscle innervated by?
lateral plantar nerve
33
action of