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Anatomy > Dermatomes and Myotomes of the lower limb > Flashcards

Dermatomes and Myotomes of the lower limb Flashcards

1
Q

inquinal ligament

A

l1

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2
Q

lateral side of thigh

A

l2

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3
Q

lower medial side of thigh

A

l3

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4
Q

medial side of great toe

A

l4

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5
Q

medial side of digit II

A

l5

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6
Q

little toe

A

s1

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7
Q

back of thigh

A

s2

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8
Q

skin over the gluteal fold

A

s3

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9
Q

flextion of the hip

A

l1 and l2

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10
Q

extension of the knee

A

l3 and l4

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11
Q

knee flextion

A

l5 and s2

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12
Q

plantarflexion of foot

A

s1 and s2

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13
Q

adduction of digits

A

s2 and s3

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14
Q

tap on patellar ligament

A

l3 and l4

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15
Q

tendon tap on calcaneal tendon posterior to ankle

A

s1 and s2

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16
Q

femoral nerve innervates skin on the

A

anterior thigh medial side of leg and medial side of ankle

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17
Q

obturator nerve innervates skin on the

A

lateral side of the ankle and foot

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18
Q

common fibular nerve innervates

A

lateral side of leg and the dorsum of the foot

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19
Q

where is the femoral nerve located

A

anterior compartment of thigh

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20
Q

where is the superior and inferior gluteal nerves locaked

A

posterior pelvis region

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21
Q

where is the obturator nerve found

A

medial compartment of thigh

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22
Q

where is the sciatic nerve found

A

posterior compartment of thigh, leg, and sole of foot

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23
Q

superficial branch of fibular nerve found

A

lateral compartment of leg

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24
Q

deep branch of fibular nerve found

A

anterior compartment of leg

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25
Q

what region of the skin does the femoral nerve innervate

A

anterior thigh, medial side of leg and medial side of ankle

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26
Q

obturator nerve innervates what part of the skin

A

medial side of thigh

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27
Q

tibial part of sciatic nerve innervates what part of the skin

A

lateral side of ankle and foot

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28
Q

common fibular nerve innervates what part of the skin

A

lateral side of leg and dorsum of foot

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29
Q

what forms the margins of the greater sciatic foramen

A

greater sciatic notch
upper border of the sacrospinous and sacrotuberous ligaments
lateral border of sacrum

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30
Q

What goes through the obturator canal

A

obturator nerve, artery and vein

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31
Q

what goes through the greater sciatic foramen above the piriformis

A

superior gluteal NAV

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32
Q

what goes through the greater sciatic foramen below the piriformis

A

sciatic nerve
inferior gluteal NAV
pudendal artery
internal pudendal artery and vein
posterior femoral cutaneous nerve
nerve to obturator internus and gemllus superior muscles
nerve to quadratus femoris and gemllus inferior muscles

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33
Q

what goes through the gap between the inguinal ligament and the pelvic bone

A 
psoas major, illiacus, pectineus
femoral AVN
lymphatics
genitofemoral nerve femoral branch
lateral cutaneous nerve of thigh
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34
Q

illioinguinal nerve spinal segment

A

l1

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35
Q

illioinguinal motor and sensory function

A

motor-innervates abdominal wall

sensory- anteromedial part of upper thigh and adajcent skin of perineum

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36
Q

genitofemoral spinal segment

A

l1 and l2

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37
Q

genitofemoral motor and sensory function

A

no motor function

femoral-innervates skin on anterior central part of upper thigh and genital branch innervates anterior perineum

38
Q

femoral spinal segment

A

l2 to l4

39
Q

femoral motor and sensory function

A

all muscles in anterior compartment of thigh and abdomen

sensory-skin over anteiror thigh, anteromedial knee and medial side of leg and foot

40
Q

obturator spinal segment

A

l4-s3

41
Q

obturator motor and sensory function

A

all muscles in the medial compartment of the thigh and obturator externus
sensory- skin over upper medial aspect of thigh

42
Q

sciatic nerve spinal segment

A

l4-s3

43
Q

sciatic nerve motor and sensory function

A

motor-all muscles posterior compartment of thigh and adductor magnus and all muscles in leg and foot
sensory- skin over lateral side of leg and foot and over the sole and dorsal surface of foot

44
Q

superior gluteal spina segment

A

l4 to s1

45
Q

superior gluteal motor function

A

muscles of gluteal region

46
Q

inferior gluteal spinal segment

A

l5-s2

47
Q

inferior gluteal motor function

A

muscles of gluteal region

48
Q

lateral cutaneous nerve of thigh spinal segment and sensory function

A

l2, l3 and parietal peritoneum in illiac fosa, skin over anterolateral thigh

49
Q

posterior cutaneous nerve of thigh spinal segment and sensory function

A

skin over gluteal fold and upper medial aspect of thigh and adjacent perineum, posterior aspect of thigh and upper posterior leg

50
Q

nerve to quadratus femoris spinal segment

A

l4-s1

51
Q

nerve to obturator internus spinal segment

A

l5-s1

52
Q

perforating cutaneous nere spinal segment and sensory function

A

skin over medial aspect of gluteal fold

S2 and S3

53
Q

femoral triangle

A

base of triangle is inquinal ligament
medial border- medial margin of adductor longus
lateral margin-medial margin of the sartorius
floor- pectineus and adductor longus
appex- continuous with adductor canal

54
Q

structures in the femoral triangle

A

femoral VAN and lymphatic vessels

55
Q

popliteal fossa

A

semitindinosus and semimembranosus and divided by biceps femoris
gastrocnemius
floor-capsule fo knee and popliteus muscle
roof-deep fascia

56
Q

Contents of popliteal fossa

A

popliteal artery, vein, tibial and common fibular nerves

57
Q

superior gluteal nerve

A

l4-s1

58
Q

inferior gluteal and nerve to piriformis

A

l5-s2

59
Q

obturator internus and quadratus femoris

A

l5-s1

60
Q

femoral nerve

A

l2-l4

61
Q

l1-l4 anterior rami nnervates

A

psoas and iliacus

62
Q

obturator nerve

A

l2-l4

63
Q

sciatic

A

l5-s2

64
Q

deep fibular

A

l4-s1

65
Q

superficial fibular

A

l5-s1

66
Q

tibial

A

s1-s2

67
Q

coxa vara

A

decreased angle between femoral shaft and neck

68
Q

genu varum

A

bow leg

69
Q

coxa valga

A

increased angle between femoral shaft and neck

70
Q

genu valgum

A

knock knee

71
Q

trendelenberg sign

A

weakness in gluteus medius and minimus demonstrated by inability to maintain a level pelvis when standing on one foot

72
Q

inferior gluteal

A

usually weakness in exension of thigh, difficulty walking up stairs

73
Q

piriformis syndrome

A

parlysis of hamstring muscles and all muscles below knee

74
Q

foot drop

A

achilles calcaneal reflex is decreased and loss of sensation along lateral and posterior leg and entire foot injry in popiteal fossa would spar hamstrings (sciatic nerve injury)

75
Q

tibial injury in popliteal fossa

A

all muscles posterior leg and all muscles in sole of foot and loss of sensation along sole of foot

76
Q

tibial injury in tarsal tunnel

A

entrapment between medial malleolus and calcaneus characterized by pain, tingling, numbness along plantar aspect of foot

77
Q

median plantar nerve entrapemnt

A

paresthesia on medial plantar aspect of foot

78
Q

bumper fracture

A

fracture of fibular neck; paralysis of all muscles in anterior and lateral compartment of leg and sensory loss along anterior aspect of the leg and dorsum of the foot excluding tips

79
Q

superficial fibulra

A

parlysis of muslces in lateral compartment of leg and sensory loss on the dorsum of the foot

80
Q

femoral nerve injury

A

parlysis of muscles in the anterior compartment of the leg; decreased patellar reflex; sensory loss along anterior thigh and medial leg

81
Q

lateral femoral cutaneous injury

A

sensory loss along the thigh called meralgia paresthetica

82
Q

obturator nerve injury

A

paralysis of muscles in medial compartment of thigh and sensory loss in small patch along medial thigh just above the knee

83
Q

patellar reflex

A

l2–l4 femoral nerve

84
Q

achilles reflex

A

calcaneal; s1-s2 tibial nerve

85
Q

anterior draw test

A

tibial movement anteriorly-positive to ACL injury

86
Q

posterior draw test

A

displace tibia posterioly-positive with injuryt to PCL

87
Q

inversion injuries to ankle affect

A

anterior talofibular and calcaneofibular ligaments

88
Q

pott fracture

A

forceful eversion pulls deltoid ligament talus slips and fractures lateral malleolus and tears posterior tibofibular ligament

89
Q

cotton fracture

A

fractures involving medial malleolus, fibula and posterior lip of the inferior articular surface of tibia

90
Q

halluz valgus

A

lateral deviation of great toe

Anatomy (22 decks)

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