Dermatomes and Myotomes of the lower limb Flashcards Preview

Anatomy > Dermatomes and Myotomes of the lower limb > Flashcards

Flashcards in Dermatomes and Myotomes of the lower limb Deck (90):
1

inquinal ligament

l1

2

lateral side of thigh

l2

3

lower medial side of thigh

l3

4

medial side of great toe

l4

5

medial side of digit II

l5

6

little toe

s1

7

back of thigh

s2

8

skin over the gluteal fold

s3

9

flextion of the hip

l1 and l2

10

extension of the knee

l3 and l4

11

knee flextion

l5 and s2

12

plantarflexion of foot

s1 and s2

13

adduction of digits

s2 and s3

14

tap on patellar ligament

l3 and l4

15

tendon tap on calcaneal tendon posterior to ankle

s1 and s2

16

femoral nerve innervates skin on the

anterior thigh medial side of leg and medial side of ankle

17

obturator nerve innervates skin on the

lateral side of the ankle and foot

18

common fibular nerve innervates

lateral side of leg and the dorsum of the foot

19

where is the femoral nerve located

anterior compartment of thigh

20

where is the superior and inferior gluteal nerves locaked

posterior pelvis region

21

where is the obturator nerve found

medial compartment of thigh

22

where is the sciatic nerve found

posterior compartment of thigh, leg, and sole of foot

23

superficial branch of fibular nerve found

lateral compartment of leg

24

deep branch of fibular nerve found

anterior compartment of leg

25

what region of the skin does the femoral nerve innervate

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

26

obturator nerve innervates what part of the skin

medial side of thigh

27

tibial part of sciatic nerve innervates what part of the skin

lateral side of ankle and foot

28

common fibular nerve innervates what part of the skin

lateral side of leg and dorsum of foot

29

what forms the margins of the greater sciatic foramen

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

30

What goes through the obturator canal

obturator nerve, artery and vein

31

what goes through the greater sciatic foramen above the piriformis

superior gluteal NAV

32

what goes through the greater sciatic foramen below the piriformis

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

33

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

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

34

illioinguinal nerve spinal segment

l1

35

illioinguinal motor and sensory function

motor-innervates abdominal wall
sensory- anteromedial part of upper thigh and adajcent skin of perineum

36

genitofemoral spinal segment

l1 and l2

37

genitofemoral motor and sensory function

no motor function
femoral-innervates skin on anterior central part of upper thigh and genital branch innervates anterior perineum

38

femoral spinal segment

l2 to l4

39

femoral motor and sensory function

all muscles in anterior compartment of thigh and abdomen
sensory-skin over anteiror thigh, anteromedial knee and medial side of leg and foot

40

obturator spinal segment

l4-s3

41

obturator motor and sensory function

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

42

sciatic nerve spinal segment

l4-s3

43

sciatic nerve motor and sensory function

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

superior gluteal spina segment

l4 to s1

45

superior gluteal motor function

muscles of gluteal region

46

inferior gluteal spinal segment

l5-s2

47

inferior gluteal motor function

muscles of gluteal region

48

lateral cutaneous nerve of thigh spinal segment and sensory function

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

49

posterior cutaneous nerve of thigh spinal segment and sensory function

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

50

nerve to quadratus femoris spinal segment

l4-s1

51

nerve to obturator internus spinal segment

l5-s1

52

perforating cutaneous nere spinal segment and sensory function

skin over medial aspect of gluteal fold
S2 and S3

53

femoral triangle

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

structures in the femoral triangle

femoral VAN and lymphatic vessels

55

popliteal fossa

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

56

Contents of popliteal fossa

popliteal artery, vein, tibial and common fibular nerves

57

superior gluteal nerve

l4-s1

58

inferior gluteal and nerve to piriformis

l5-s2

59

obturator internus and quadratus femoris

l5-s1

60

femoral nerve

l2-l4

61

l1-l4 anterior rami nnervates

psoas and iliacus

62

obturator nerve

l2-l4

63

sciatic

l5-s2

64

deep fibular

l4-s1

65

superficial fibular

l5-s1

66

tibial

s1-s2

67

coxa vara

decreased angle between femoral shaft and neck

68

genu varum

bow leg

69

coxa valga

increased angle between femoral shaft and neck

70

genu valgum

knock knee

71

trendelenberg sign

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

72

inferior gluteal

usually weakness in exension of thigh, difficulty walking up stairs

73

piriformis syndrome

parlysis of hamstring muscles and all muscles below knee

74

foot drop

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

tibial injury in popliteal fossa

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

76

tibial injury in tarsal tunnel

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

77

median plantar nerve entrapemnt

paresthesia on medial plantar aspect of foot

78

bumper fracture

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

superficial fibulra

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

80

femoral nerve injury

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

81

lateral femoral cutaneous injury

sensory loss along the thigh called meralgia paresthetica

82

obturator nerve injury

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

83

patellar reflex

l2--l4 femoral nerve

84

achilles reflex

calcaneal; s1-s2 tibial nerve

85

anterior draw test

tibial movement anteriorly-positive to ACL injury

86

posterior draw test

displace tibia posterioly-positive with injuryt to PCL

87

inversion injuries to ankle affect

anterior talofibular and calcaneofibular ligaments

88

pott fracture

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

89

cotton fracture

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

90

halluz valgus

lateral deviation of great toe