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► Med Misc 47 > Muscles > Flashcards

Muscles Flashcards

1
Q

what is the innervation of the lateral crural muscles?

A

superficial peroneal nerve

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2
Q

what region of the spine doe the vastus intermedius originate from?

A

L2-4

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3
Q

what muscles are on the dorsal of the foot?

A

extesnor hallucis brevis

extensor digitorum brevis

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4
Q

what are the actions of the sartorius?

A

flexes thigh

abdjucts thigh

laterally rotates thigh

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5
Q

what is action of abductor hallucis?

A

flexes and abducts great toe

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6
Q

what are the posterior crural muscles?

A

felxor digitorum longus

flexor hallucis longus

gastrocnemius

plantaris

popliteus

soleus

tibilais posterior

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7
Q

In the femoral compartment, which muscles are respoinsible for extending the leg?

A

rectus femoris

Tensor fasciae latae

vastus intermedius

vastus lateralis

vastus medialis

Adductor magnus

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8
Q

What are the actions of the posterior thigh region?

A

flexes and extends legs

only long head of biceps femoris extends leg

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9
Q

what gets innervated by the deep peroneal nerve?

A

extensor digitorum brevis

extensor hallucis brevis

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10
Q

what muscles are responsible for plantar flexing ankle?

A

peroneus longus and brevis

flexor digitorum longus

flexor hallucis longus

gastrocnemius

plantaris

soleus

tibialis posterior

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11
Q

3rd layer of sole of foot

A

adductor hallucis

flexor hallucis brevis

flexor digiti minimi brevis

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12
Q

what region of the spine deos the gastrocnemius and soleus arrise from?

A

S 1,2

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13
Q

what muscles does the obturator internus of the sacral plexus innervate?

A

gemellus superior

obturator internus

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14
Q

what is the action of the lumbricals?

A

flexes proximal phalanges and extends IP joints

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15
Q

what are the actions of the tensor fasciae latae?

A

abducts, flexes

medially rotates thigh

maintains extended leg

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16
Q

What muscles are innervated by femoral nerve?

A

Iliacus

rectus femoris

satorius

vastus intermedius

vastus lateralis

vastus medialis

pectineus

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17
Q

what muscles are innervated by the obturator nerve?

A

all medial femoral muscles

Adductor brevis, longus, magnus, gracilis, pentineus

and obturator externus

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18
Q

What gets innervated by the lateral plantar nerve?

A

abductor digiti minimi

adductor hallucis

flexor digitorum accessorius

flexor digit minimi

interossei dorsal and plantar

lumbricals 2-4

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19
Q

what muscles are responsible for adducting the thigh?

A

Adductor brevis, longus, magnus

gracilis

pectineus

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20
Q

what are on the 1st layer of plantar muscles?

A

flexor digitorum brevis

abductor hallucis

abdcutor digiti minimi

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21
Q

In the anterior femoral compartment, which muscles are responsible for flexion of the thigh?

A

Iliacus

psoas

rectus femoris

satorius

tensor fasciae latae

adductor longus

gracilis

pectineus

(all on anterior except vastus muscles)

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22
Q

what is the innervation for all posterior crural muscles?

A

tibial nerve

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23
Q

4th layer of sole of foot

A

plantar interossei

dorsal interossei

24
Q

what is the difference between extensor digitorum longus and extensor hallucis longus?

A

EDL: controls toes 2-5

EHL: controls great toe

25
Q

what is the exception to the actions of the posterior crural muscles?

A

all plantar flex ankle except popliteus, which unlocks knee during flexion

26
Q

what is the innervation of the posterior femoral muscles?

A

tibial division of sciatic nerve

peroneal division for short head of biceps femoris

27
Q

In the anterior compartment of femoral thigh, what muscles stablalize the hip joint?

A

iliacus

psoas

28
Q

what are the lateral crural muscles?

A

peroneus longus

peroneus brevis

29
Q

what muscles does the quatratus femoral branch of sacral plexus innervate?

A

gemellus inferior

quatratus femoris

30
Q

what muscles abduct the thigh?

A

gluteus medius and minimus

31
Q

what actions does the extensor hallucis longus do?

A

extends great toe

32
Q

What is the innervation of the gluteal muscles?

A

interfior innervates gluteus maximum

superior innervates medius and minimus

33
Q

2nd layer of sole of foot

A

quadratus plantae (digitorum accessorius)

Lumbricals

34
Q

What are the anterior crural muscles?

A

extensor digitorum longus

extensor hallucis longus

peroneus tertius

tibialis anterior

*laterally of tibia

35
Q

Which posterior crural muscles flex leg?

A

gastrocnemius

plantaris

36
Q

what is the difference between interossi plantar and dorsal?

A

plantar adducts

dorsal abducts

37
Q

what actions do the peroneus tertius do?

A

dorsiflexes ankle

everts foot

38
Q

what is action of interossei-plantar

A

adducts and flexes MP, extends digits 3-5

39
Q

what gets innervated by medial plantar nerve?

A

abductor hallucis

flexor digitorum brevis

flexor hallucis brevis

lumbricals 1st

40
Q

what action does the tibialis anterior do?

A

dorsiflex ankle

inverts foot

41
Q

what is the action of extensor digitorum brevis?

A

extension of digits 2-5

42
Q

what is the difference between the flexor digitorum longus and extensor digitorum longus?

A

flexor flexes toes 2-5

plantar flexes

tibial nerve.

posterior tibial a.

extensor extends does 2-5

dorsiflexes

deep peroneal nerve

anterior tibial a. and perforating brach of peroneal a.

43
Q

what is the action of adductor hallucis?

A

adducts great toe

44
Q

What muscles are in the posterior femoral region?

A

biceps femoris (long and short)

semimembranosus

semitendonosus

45
Q

what actions does the extensor digitorum longus doe?

A

dorsiflex angle,

extends digits 2-5

46
Q

Innervation of anterior crural muscles?

A

deep peroneal nerve

47
Q

what are the actions of the lateral crural muscles?

A

plantar flex ankle

evert foot

48
Q

what muscles are responsible for medially rotating thigh?

A

Gracilia

Tensor fasciae latae

Gluteus medius

Gluteus minimus

49
Q

What muscles are responsible for laterally rotating thigh?

A

sartorius

obturator internus

Gemellus inferior and superior

gluteus maximum

obturator externus

piriformis

quadratus femoris

50
Q

what actions do ethe tibialis posterior do?

A

plantar flexes ankle

inverts foot

51
Q

what is the action of abductor digiti minimi

A

abducts and flexes 5th digit

52
Q

what is the common action of all anterior crural muscles?

A

dorsiflex ankle

53
Q

What region of the spine does the vastus muscles originate from?

A

L2-4

54
Q

What region of the spine does the recturo femoris originate from?

A

L2-4

55
Q

what is action of interossei-dorsal?

A

abducts and flexes MP, extends 2-4

56
Q

what are the most superifical muscles on the sole of the foot?

A

felxor digitorum brevis

abductor hallucis

abductor digit minimi

57
Q

what are the intrinsic muscles of the dorsum of the foot?

A

extensor hallucis brevis

► Med Misc 47 (11 decks)

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