Dermatomes and Myotomes of the lower limb Flashcards
1
Q
inquinal ligament
A
l1
2
Q
lateral side of thigh
A
l2
3
Q
lower medial side of thigh
A
l3
4
Q
medial side of great toe
A
l4
5
Q
medial side of digit II
A
l5
6
Q
little toe
A
s1
7
Q
back of thigh
A
s2
8
Q
skin over the gluteal fold
A
s3
9
Q
flextion of the hip
A
l1 and l2
10
Q
extension of the knee
A
l3 and l4
11
Q
knee flextion
A
l5 and s2
12
Q
plantarflexion of foot
A
s1 and s2
13
Q
adduction of digits
A
s2 and s3
14
Q
tap on patellar ligament
A
l3 and l4
15
Q
tendon tap on calcaneal tendon posterior to ankle
A
s1 and s2
16
Q
femoral nerve innervates skin on the
A
anterior thigh medial side of leg and medial side of ankle
17
Q
obturator nerve innervates skin on the
A
lateral side of the ankle and foot
18
Q
common fibular nerve innervates
A
lateral side of leg and the dorsum of the foot
19
Q
where is the femoral nerve located
A
anterior compartment of thigh
20
Q
where is the superior and inferior gluteal nerves locaked
A
posterior pelvis region
21
Q
where is the obturator nerve found
A
medial compartment of thigh
22
Q
where is the sciatic nerve found
A
posterior compartment of thigh, leg, and sole of foot
23
Q
superficial branch of fibular nerve found
A
lateral compartment of leg
24
Q
deep branch of fibular nerve found
A
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
