Lower limb nervous distribution Flashcards Preview

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Flashcards in Lower limb nervous distribution Deck (24)
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1
Q

Nerve innervating skin patch on medial thigh

A

Obdurator nerve

2
Q

Nerve innervating skin of anterior thigh and part of knee

A

Femoral nerve

3
Q

Nerve innervating the skin of the lateral thigh

A

Lateral cutaneous nerve of thigh (from lumbar plexus)

4
Q

Nerve innervating the skin of the medial leg

A

Saphenous nerve (from the femoral nerve)

5
Q

Nerve innervating the skin of the upper lateral leg

A

Common fibular nerve

6
Q

Nerve innervating the skin of the lower lateral leg

A

Common fibular nerve - superficial branch

7
Q

Nerve innervating the skin of the posterior thigh, back of knee

A

Posterior cutaneous nerve (from the sacral plexus)

8
Q

Nerve innervating the sole, back of foot

A

Tibial nerve

9
Q

Nerve innervating half of big toe, half of second toe

A

Common fibular nerve - deep branch

10
Q

Spinal segments innervating skin of the anterior thigh above knee

A

L1, L2, L3

11
Q

Spinal segments innervating skin of anterior leg below knee

A

L4, L5, S1

12
Q

Spinal segments innervating skin of the sole of the foot

A

L5, S1

13
Q

Spinal segments innervating skin of the posterior leg

A

L4, L5, S2

14
Q

Spinal segments innervating skin of the posterior thigh

A

L2, L3, S2, S3

15
Q

Spinal segments innervating skin of buttocks

A

S3, S4, S5

16
Q

Skin innervated by L1

A

Upper, anterior thigh

17
Q

Skin innervated by L2

A

Mid, anterior thigh

18
Q

Skin innervated by L3

A

Anterior knee

19
Q

Skin innervated by L4

A

Medial calf

20
Q

Skin innervated by L5

A

Lateral calf, running down to big toe and second toe, medial sole of foot

21
Q

Skin innervated by S1

A

Lateral three toes of foot, dorsal and ventral

22
Q

SKin innervated by S2

A

Mid strip of skin on posterior leg and thigh

23
Q

Skin innervated by S3

A

Triangular patch of skin below buttock (medial)

24
Q

Skin innervated by S4, S5

A

Concentric rings around anus