Nervous System Flashcards by Nicole Fierce

Q

Femoral n. inervates

A

cranial thigh mm.

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Q

Obturator n. innervates

A

medial thigh mm.

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Q

Gluteal nn. innervate

A

rump mm.

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Q

cranial gluteal n. innervates

A

middle & deep gluteal mm.

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Q

caudal gluteal n. innervates

A

superficial gluteal m.

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Q

Sciatic n. innervates

A

caudal thigh

and by extension craniolateral crus and caudal crus mm.

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Q

Common peroneal n. innervates

A

craniolateral crus mm.

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Q

tibial n. innervates

A

caudal crus mm.

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Q

femoral n. segments

A

L4, L5, L6

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Q

sciatic n. segments

A

L6, L7, S1, S2

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Q

Pudendal n. segments

A

S1, S2, S3

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Q

Lumbosacral Plexus

A

L4-S2

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Q

Autonomous zone for femoral n. (via saphenous n.)

A

Medial aspect limb (mid thigh to mid pes)

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Q

autonomous zone for tibial n.

A

plantar pes, caudal crus

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Q

autonomous zone for common peroneal n.

A

craniolateral crus & dorsal pes

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Q

autonomous zone for genitofemoral n.

A

medial thigh

Q

autonomous zone for lateral cutaneous femoral n.

A

cranial, lateral thigh

Q

autonomous zone for caudal cutaneous femoral n.

A

caudal, lateral thigh

Q

autonomous zone for pudendal nn.

A

perineum and external genetalia

Q

What happens if you cut the sciatic n. mid-thigh?

A

lose extension and flexion of tarsal joints

Q

Radial n. segments from

A

C7, C8, T1, T2

Q

Musculocutaneous n. innervates

A

cranial arm group

elbow flexors

Q

Axillary n. innervates

A

some lateral & medial mm. of shoulder

flexors of shoulder jt

Q

Radial n. innervates

A

caudal arm gp. and craniolateral antebrachial gp.

extensors of elbow, carpal, & digital jts

Median & Ulnar nn. innervate

caudomedial antebrachial gp | flexors of carpal & digital jts

suprascapular n. innervates

supraspinatus & infraspinatus mm.

subscapular n. innervates

subscapularis m.

Thoracodorsal n. innervates

latissimus dorsi m.

autonomous zone for radial n

craniolateral forearm & digits 1-4

autonomous zone for ulnar n.

caudomedial antebrachial and 5th digit

autonomous zone for musculocutaneous n.

medial arm