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Quiz 2 Flashcards

1
Q

Abductor digiti minimi

A

lateral plantar nerve

abducts and flexes 5th digit

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2
Q

abductor hallucis

A

medial plantar nerve

abducts and flexes 1st digit

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3
Q

Adductor brevis

A

obturator nerve

adducts thigh at hip, weak hip flex

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4
Q

Adductor hallucis

A

dee branch of lateral plantar nerve

adducts 1st digit, maintains tarnsverse arch of foot

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5
Q

Adductor longus

A

obturator nerve

adducts thigh at hip

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6
Q

Adductor magnus

A

adductor: oburator nerve
hamstring: sciatic nerve (tibial division)

adductor: adducts and flexes thigh
hamstring: extends thigh

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7
Q

Articularis genus

A

femoral nerve

pulls suprateller bursa superiorly with extension of knee

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8
Q

Biceps femoris

A

long head: sciatic nerve (tibial division L5-S2)
short head: sciatic nerve (common fibular division)

flexes and laterally rotates leg, extends thigh at hip

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9
Q

Dorsal interossei

A

lateral plantar nerve

abduct 2nd - 4th toes,
flex metatarsophalangeal joints
extend phalanges

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10
Q

Etensor digitorum brevis

extensor hallucis brevis

A

deep fibular nerve

aids the extensor digitorum longus extending of 4 medil digits at the MTP and IP joints

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11
Q

Extensor digitorum longus

A

deep fibular nerve

extends lateral 4 digits and dorsifelxes foot and ankle

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12
Q

Extensor hallucis longus

A

deep fibular nerve

extends great toe, dorsiflexes foot and ankle

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13
Q

Fibularis peroneous brevis

A

superficial fibular nerve

everts foot and weakly plantarflexes foot at ankle

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14
Q

Fibularis peroneous longus

A

superficial fibular nerve

everts foot and weakly plantarflexes foot at ankle

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15
Q

Fibularis peroneous tertius

A

deep fibular nerve

dorsiflexes foot and ankle and aids in eversion of foot

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16
Q

Flexor digiti minimi brevis

A

superficial lateral plantar nerve

flexes proxmila phalanx of 5th digit

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17
Q

Flexor digitorum brevis

A

medial plantar nerve

flexes 2nd-5th digits

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18
Q

Flexor digitorum longus

A

tibial nerve

flexes lateral 4 digits and plantarflexdes foot at ankle
support longituindal arches of foot

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19
Q

Flexor hallucis brevis

A

medial plantar nerve

flexes proximal phalanx of 1st digit

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20
Q

Flexor hallucis longus

A

tibial nerve

flexes all joints of great toe
weakly plantarflexes foot at ankle

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21
Q

Gastrocnemulus

A

tibial nerve

plantarflexes foot at ankle joint
assists in flexion of knee joint
raise heel during walking

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22
Q

Gluteus maximum

A

inferior gluteal nerve

extends flexed thigh
assists in lateral rotation
abducts thigh

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23
Q

Gluteus medius

A

superior gluteal nerve

abducts and medially rotates thigh at hips
steadies pelvis on leg with opposite leg is raised

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24
Q

Gluteus medius

A

superior gluteal nerve

abducts and medially rotates thigh at hips
steadies pelvis on leg when opposite leg is raised

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25
Q

Gluteus minimus

A

superior gluteal nerve

abducts and medially rotates thigh at hip
steadies pelvis on leg when opposite leg is raised

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26
Q

Gracillis

A

obturator nerve

adducts thigh
flees and medially rotates leg

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27
Q

Illiacus

A

femoral nerve

flexes hip and stabilizes hip joint
acts with psoas major

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28
Q

illiacus (illiopsoas)

A

femoral nerve

flexes thigh at hip and stabilizes hip joint
acts with psoas major

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29
Q

Inferior gamellus

A

nerve to quadratus femoris

laterally rotates extended thigh at the hip

30
Q

Lumbricals

A

medial 1: medial plantar nerve
lateral 3: lateral plantar nerve

flexes proximal phalanges at MTP joint
extends phalanges at PIP and DIP joints

31
Q

Obturator exterus

A

obturator nerve

laterally rotates thigh
stabilizes head of femur in acetabulum

32
Q

Obturator internus

A

nerve to obturator internus

laterally rotates extended thigh
abducts flexed thigh at hip

33
Q

Pectineus

A

femoral nerve and sometimes obturator nerve

adducts and flexes thigh at hip

34
Q

Piriformis

A

ventral rami of L4, S1, S2

laterally rotates extended thigh
abducts flexed thigh at hip

35
Q

Plantar interossei

A

lateral plantar nerve

adducts digits 2-4 and flex MTP joint and extend phalanges

36
Q

Plantaris

A

tibial nerve

weakly assists gastronemius

37
Q

Popliteus

A

tibial nerve L4-S1

weakly flexes knee and unlocks it by rotating femor on fixed tibia

38
Q

Psoas major

A

ventral rami of first four lumbar nerves

acting superiorly with iliacus flexes hip
acting inferiorly flexes vertebral column laterally
used to blance trunk in sitting position
acting inferiorly with iliacus flexes trunk

39
Q

Psoas major (iliopsoas)

A

ventral rami of first lumbar nerve

acting superiorly with iliacus flexes hip
acting inferiorly flexes vertebral column laterally
used to blance trunk in sitting position
acting inferiorly with iliacus flexes trunk

40
Q

Quadratus femoris

A

nerve to quadratus femoris

laterally rotates thigh at hip

41
Q

Rectus femoris (quadriceps)

A

Femoral nerve

extends right leg at knee joint and flexes thigh at hip join

42
Q

Sartorius

A

femoral nerve

abducts, laterally rotates and flexes thigh
flexes knee joint

43
Q

semimembranosus

A

sciatic nerve (tibial division)

flexes leg, extends thigh

44
Q

Semitendinosus

A

sciatic nerve (tibial division)

flexes leg, extends thigh

45
Q

Soleus

A

tibial nerve

plantarflexes foot at ankle
stabilizes leg over foot

46
Q

superior gamellus

A

nerve to obturator internus

laterally rotates extended thigh at the hip

47
Q

Tensor fasciae latae

A

superior glutael nerve

abducts, medially rotates and flexes thigh at hip

helps to keep knee extended

48
Q

Tibialis anterior

A

deep fibular nerve

dorsifelxes foot at ankle and inverts foot

49
Q

Tibialis posterior

A

tibial nerve

plantarflexes foot at ankle and inverts foot

50
Q

vastus intermedius (quadriceps)

A

femoral nerve

extends leg at knee joint

51
Q

Vastus lateralis (quadricep)

A

femoral nerve

extends leg at knee joint

52
Q

vastus medialis (quadriceps)

A

femoral nerve

extends leg at knee joint

53
Q

Coccygeus

A

ventral rami of lower sacral nerves

supports pelvic viscera
draws coccyx forward

54
Q

LevATOR ANI

A

ventral rami of lower sacral nerves, perineal nerve

supports pelvic viscera, raises pelvic floor

55
Q

Puborectallis

A

nerve to levator ani muscle

56
Q

Bulbospongiosus

A

deep branch of perineal nerve from pudendal nerve

male: compresses bulb of penis, forces blood into bod of penis during erection, removes urine from urethra and semen during ejaculation
female: constricts vaginal orifice, assists in expressing secretions of greater vesitbular gland, foreces blood into body of clitoris

57
Q

Compressor urethra

A

female only

pernieal branches of pudendal nerve

sphincter of urethra

58
Q

Deep transverse perineal

A

perineal branches of pudendal nerve

stabilizes perineal body, supports prostate/vagina

59
Q

External anal sphincter

A

perineal and inferior rectal branches of pudendal nerve

closes anal orifice

60
Q

Ischiocavernosus

A

deep branch of perineal nerve fro pudendal nerve

forces blood into body of penis and clitoris during erection

61
Q

sphincter urethrea

A

perineal branhces of pudentdal nerve

compresses urethra at end of micturition, in female also compresses the distal vagina

62
Q

Sphincter urethrovaginallis

A

female only

perineal pranches of pudendal nerve

sphincter of urethra and vagina

63
Q

Superficial transverse perineal

A

perineal branches of pudendal nerve

stabilizes central tendon

64
Q

cremaster

A

genital branch of genitofemoral nerve

retracts testicle

65
Q

External oblique

A

ventral rami of six inferior thoracic nerves

compresses and supports abdominal viscera, flexes and rotaes trunk

66
Q

Internal oblique

A

ventral rami of six inferior thoracic and first lumbar nerves

compresses and supports abdominal viscera and flexes and rotates trunk

67
Q

Pyramidalis

A

Iliohypogastric nerve

Tenses linea alba

68
Q

Rectus abdominis

A

Ventral rami of six inferior thoracic nerves

Flexes trunk, compresses abdominal viscera

69
Q

Transversus abdominis

A

Ventral rami of six inferior thoracic
and first lumbar nerves

Compresses and supports abdominal
viscera

70
Q

Diaphragm

A

Phrenic nerve

Draws central tendon down and forward during inspiration

71
Q

Quadratus lumborum

A

Ventral rami of T12 and first four lumbar nerves

Extends and laterally flexes vertebral
column, fixes 12th rib during
inspiration

72
Q

Psoas minor

A

Ventral rami of first lumbar nerve

Flexes pelvis on vertebral column

SHB (22 decks)

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