Lower Limb Nerves Flashcards
1
Q
Innervation of psoas major
A
L2 ventral ramus
2
Q
Innervation of iliacus
A
L2 femoral nerve
3
Q
Innervation of gluteus maximus
A
L5-S2 Inferior gluteal nerve
4
Q
Innervation of gluteus medius
A
L4-S1 Superior gluteal nerve
5
Q
Innervation of gluteus minimus
A
L4-S1 Superior gluteal nerve
6
Q
Innervation of tensor fasciae latae
A
L4-S1 Superior gluteal nerve
7
Q
Innervation of piriformis
A
S1-S2 Nerve to piriformis
8
Q
Innervation of superior gemellus
A
L5-S1 Nerve to obturator internus
9
Q
Innervation of obturator internus
A
L5-S1 Nerve to obturator internus
10
Q
Innervation of obturator externus
A
L2-L4 Obturator nerve
11
Q
Innervation of inferior gemellus
A
L5-S1 Nerve to quadratus femoris
12
Q
Innervation of quadratus femoris
A
L5-S1 Nerve to quadratus femoris
13
Q
Innervation of sartorius
A
Femoral nerve
14
Q
Innervation of rectus femoris
A
L4 Femoral nerve
15
Q
Innervation of vastus lateralis
A
L4 Femoral nerve
16
Q
Innervation of vastus intermedius
A
L4 Femoral nerve
17
Q
Innervation of vastus medialis
A
L4 Femoral nerve
18
Q
Innervation of pectineus
A
Femoral nerve
19
Q
Innervation of adductor brevis
A
L3 Obturator nerve
20
Q
Innervation of adductor longus
A
L3 Obturator nerve
21
Q
Innervation of adductor magnus
A
Obturator nerve (lateral)
Tibial nerve (median)
22
Q
Innervation of gracilis
A
L3 Obturator nerve
23
Q
Innervation of semimembranosus
A
L5-S1 Tibial nerve
24
Q
Innervation of semitendonosus
A
L5-S1 Tibial nerve
25
Innervations of biceps femoris
L5-S1 Tibial nerve (LH)
Common fibular nerve (SH)
26
Innervation of tibialis anterior
Deep peroneal nerve
27
Innervation of extensor hallucis longus
Deep peroneal nerve
28
Innervation of extensor digiorum longus
Deep peroneal nerve
29
Innervation of fibularis (peroneus) tertius
Deep peroneal nerve
30
Innervation of fibularis (peroneus) longus
Superficial peroneal nerve
31
Innervation of fibularis (peroneal) brevis
Superficial peroneal nerve
32
Innervation of gastrocnemius
Tibial nerve
33
Innervation of soleus
Tibial nerve
34
Innervation of popletus
Tibial nerve
35
Innervation of plantaris
Tibial nerve
36
Innervation of tibialis posterior
Tibial nerve
37
Innervation for flexor digitorum longus
Tibial nerve
38
Innervation for flexor hallucis longus
Tibial nerve
39
Common innervation for anterior crus muscles
Deep fibular (peroneus) nerve
40
Common innervation for lateral crus muscles
Superficial fibular (peroneus) nerve
41
Nerve
Deep fibular (peroneus) nerve
42
Nerve
Tibial nerve
43
Innervation of extensor hallucis brevis
Deep fibular (peroneus) nerve
44
Innervation of extensor digitorum brevis
Deep fibular (peroneus) nerve
45
Innervation of abductor hallucis
Medial plantar nerve
46
Innervation of flexor digitorum brevis
Medial plantar nerve
47
Innervation of abductor digiti minimi
Lateral plantar nerve
48
Innervation of quadratus plantae
Lateral plantar nerve
49
Innervation of lumbricals
Medial lumbrical - Medial plantar n.
Lateral 3 lumbricals - Lateral plantar nerve
50
Innervation of flexor hallucis brevis
Medial plantar nerve
51
Innervation of adductor hallucis
Lateral plantar nerve
52
Innervation of flexor digiti minimi
Lateral plantar nerve
53
Innervation of plantar interossei
Lateral plantar nerve
54
Innervation of dorsal interossei
Lateral plantar nerve
55
1LAFF is a mnemonic for the medial plantar nerve innervation. What muscles does it refer to
1L - First lumbrical
A - Abductor hallucis
F - Flexor digitorum brevis
F - Flexor hallucis brevis
56
Subcostal nerve level
T12
57
Subcostal nerve innervates which muscles
Rectus abdominis
Intercostals
Anterior abdominal wall
Pyramidalis
58
Iliohypogastric nerve innervates which muscles
Internal oblique
Transverse abdominis
59
Iliohypogastric nerve level
L1
60
Ilioinguinal nerve level
T12-L1
61
Ilioinguinal nerve innervates which muscles
Internal oblique
Transverse abdominus
62
Genitofemoral nerve level
L1-L2
63
Genitofemoral nerve innervates which muscles
Cremaster
64
Lateral femoral cutaneous nerve level
L2-L3
65
Lateral femoral cutaneous nerve innervates which muscles
None
66
Femoral nerve level
L2-L3
67
Femoral nerve innervates which muscles
Pectineus
Iliacus
Sartorius
Quadriceps femoris
Rectus femoris
Vastus lateralis
Vastus intermedius
Vastus medialis
68
Obturator nerve level
L2-L3
69
Obturator nerve innervates which muscles
Obturator externus
Adductor longus
Adductor magnus
Gracilis
70
Superior gluteal nerve level
L4-S1
71
Superior gluteal nerve innervates which muscles
Gluteus medius
Gluteus minimus
Tensor fascia latae
Piriformis
72
Inferior gluteal nerve level
L5-S2
73
Inferior gluteal nerve innervates which muscles
Gluteus maximus
74
Common fibular (peroneal) nerve level
L4-S2
75
Common fibular (peroneal) nerve innervates which muscles
SH biceps femoris
Lateral and anterior compartments of crus
76
Superficial fibular (peroneal) nerve level
L4-S1
77
Superficial fibular (peroneal) nerve innervates which muscles
Lateral compartment of crus
78
Deep fibular (peroneal) nerve level
L4-S2
79
Deep fibular (peroneal) nerve innervates which muscles
Anterior compartment of crus
Intrinsic foot muscles
80
Tibial nerve level
L4-S3
81
Tibial nerve innervates which muscles
Posterior compartment of crus
Intrinsic foot muscles
82
Medial plantar nerve level
L4-S3
83
Medial plantar nerve innervates which muscles
Abductor hallucis
Flexor hallucis brevis
Flexor digitorum brevis
First lumbrical
84
Lateral plantar nerve level
L4-S3
85
Lateral plantar nerve innervates which muscles
Abductor digiti minimi
Adductor hallucis
Quadratus plantae
Flexor digiti minimi brevis
The 3 lateral lumbricals
Plantar interossei
Dorsal interossei
86
Posterior femoral cutaneous nerve level
S1-S3
87
Posterior femoral cutaneous nerve innervates which muscles
None
88
Pudendal nerve level
S2-S4
89
Pudendal nerve innervates which muscles
Genitals
Pelvic floor
90
What two nerves combine to make the sciatic nerve
Tibial nerve
Common fibular (peroneal) nerve
91
Myotomes
Group of muscles innervated by a single spinal nerve
92
Action of L2 myotomes
Hip flexion
93
Action of L3 myotomes
Hip adduction
94
Action of L4 myotomes
Knee extension
95
Action of L5 myotomes
Dorsiflexion
96
Action of S1 myotomes
Plantar flexion
97
Dermatomes
Areas of skin connected to a specific spinal nerve
98
Cutaneous innervation of L1 dermatome
Inguinal ligament
99
Cutaneous innervation of L3 dermatome
Medial femoral condyle above knee
100
Cutaneous innervation of L4 dermatome
Just superior to medial malleolus
101
Cutaneous innervation of L5 dermatome
Dorsum of foot over the third metatarsophalangeal (MTP) joint
102
Cutaneous innervation of S1 dermatome
Lateral aspect of the calcaneous
103
Cutaneous innervation of the S2 dermatome
Midpoint of the popliteal fossa
104
Dermatome level
L1
105
Dermatome level
L2
106
Dermatome level
L3
107
Dermatome level
L4
108
Dermatome level
L5
109
Dermatome level
S1
110
Dermatome level
S2
111
Dermatome level
S3
112
Dermatome level
S4-S5
113
Cutaneous field innervation
Femoral branch of genitofemoral nerve
114
Cutaneous field innervation
Lateral femoral cutaneous nerve
115
Cutaneous field innervation
Femoral cutaneous nerve
116
Cutaneous field innervation
Saphenous nerve
117
Cutaneous field innervation
Obturator cutaneous nerve
118
Cutaneous field innervation
Lateral sural
Common fibular (peroneal)
119
Cutaneous field innervation
Superficial fibular (peroneal) nerve
120
Cutaneous field innervation
Deep fibular (peroneal) cutaneous nerve
121
Cutaneous field innervation
Sural nerve
122
Cutaneous field innervation
Posterior femoral cutaneous nerve
123
Cutaneous field innervation
Tibial (medial calcaneal) nerve
124
Cutaneous field innervation
Medial plantar nerve
125
Cutaneous field innervation
Lateral plantar nerve
126
Motor loss of subcostal nerve
Weakness in abdominal wall
127
Motor loss of iliohypogastric nerve
Weakness in abdominal wall
128
Motor loss of ilioinguinal nerve
Weakness in upper thigh
129
Motor loss of genitofemoral nerve
Weakness in abdominal muscles
130
Motor loss of lateral femoral cutaneous nerve
Weakness going up or down stairs
Unable to bend
131
Motor loss of femoral nerve
Weakness in knee or leg
Knee buckles
132
Motor loss of obturator nerve
Weakened adduction
Difficulty walking
133
Motor loss of superior gluteal nerve
Weakness in abducting
Waddling
Hip drop
134
Motor loss of inferior gluteal nerve
Difficulty standing
Difficulty using stairs
Lurching gait (trunk leans backwards while walking)
135
Motor loss of common fibular (peroneal) nerve
Foot drop
Dragging foot/toes
Weakness in eversion
Tripping often
136
Motor loss of superficial fibular (peroneal) nerve
Foot drop
Slapping gait
Toe drag
Weak ankles or feet
137
Motor loss of deep fibular (peroneal) nerve
Foot drop
Weakness raising toes
138
Motor loss of tibial nerve
Weakness in foot
Weakness in toes
Unable to curl toes
Unable to plantar flex
Unable to invert foot
139
Motor loss of medial plantar nerve
Foot everts involuntarily
Weakness extending hallucis
140
Motor loss of lateral plantar nerve
Difficulty standing
Ankle instability
141
Motor loss of posterior femoral cutaneous nerve
Weakness in lower back
Weakness in buttocks
Weakness in posterior thigh
142
Motor loss of pudendal nerve
Loss of bladder control
Loss of bowel control
Sexual disfunction
143
Sensory loss in subcostal nerve
Abdominal wall
144
Sensory loss in iliohypogastric nerve
Abdominal wall
145
Sensory loss in ilioinguinal nerve
Upper thigh
Inguinal area
146
Sensory loss in genitofemoral nerve
Genitals
Sensitivity in genitals
147
Sensory loss in lateral femoral cutaneous nerve
Outer thigh
148
Sensory loss in femoral nerve
Thigh
Knee
Leg
149
Sensory loss in obturator nerve
Inner thigh
150
Sensory loss in superior gluteal nerve
Buttocks to foot
151
Sensory loss in inferior gluteal nerve
Buttocks
152
Sensory loss in common fibular (peroneal) nerve
Dorsal foot
Crus
153
Sensory loss in superficial fibular (peroneal) nerve
Dorsal foot
Lateral crus
Lateral thigh
154
Sensory loss in deep fibular (peroneal) nerve
Dorsal foot
Lateral crus
Lateral thigh
155
Sensory loss in tibial nerve
Ankle
Foot
Toes
156
Sensory loss in medial plantar nerve
Foot
Hallucis
157
Sensory loss in lateral plantar nerve
Ankle
Foot
Chronic pain in foot/ankle
158
Sensory loss in posterior femoral cutaneous nerve
Lower back
Buttocks
Posterior thigh
Knee
159
Sensory loss in pudendal nerve
Pelvic area
Genitals
Perineum
