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Physiology MRCP > Lower limb anatomy > Flashcards

Lower limb anatomy Flashcards

1
Q

Femoral nerve - motor

A

Knee extension, hip flexion

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2
Q

Femoral nerve - sensory

A

Anterior and medial aspect thigh and lower leg

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3
Q

Femoral nerve - mechanism of injury

A

Hip and pelvic fractures
Stab/gunshot wounds

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4
Q

Obturator nerve - motor

A

Thigh adduction

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5
Q

Obturator nerve - sensory

A

Medial thigh

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6
Q

Obturator nerve - mechanism of injury

A

Anterior hip dislocation

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7
Q

Lateral cutaneous nerve - motor

A

none

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8
Q

Lateral cutaneous nerve - sensory

A

Lateral and posterior surfaces thigh

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9
Q

Lateral cutaneous nerve - mechanism of injury

A

Compression near ASIS –> neuralgia paraesthetica

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10
Q

Tibial nerve - motor

A

Foot plantarflexion and inversion

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11
Q

Tibial nerve - sensory

A

Sole of foot

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12
Q

Tibial nerve - mechanism of injury

A

Uncommon as deep and well protected
Popliteal lacerations, posterior knee dislocation

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13
Q

Common peroneal nerve - motor

A

Foot dorsiflexion and eversion
Extensor hallucis longus

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14
Q

Common peroneal nerve - sensory

A

Dorsum of foot and lower lateral part of leg

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15
Q

Common peroneal nerve - mechanism of injury

A

CAUSES FOOTDROP
Injury at neck of fibula

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16
Q

Superior gluteal nerve - motor

A

Hip abduction

17
Q

Superior gluteal nerve - sensory

A

None

18
Q

Superior gluteal nerve - mechanism of injury

A

Misplaced IM injection
Hip surgery
Pelvic fracture
Posterior hip dislocation

POSITIVE TRENDELENBURG SIGN

19
Q

Inferior gluteal nerve - motor

A

Hip extension and lateral rotation

20
Q

Inferior gluteal nerve - sensory

A

None

21
Q

Interior gluteal nerve - mechanism of injury

A

In association with sciatic nerve
Causes difficulty in rising from seated position

22
Q

Femoral nerve - nerve roots

A

L2-4

23
Q

Obturator nerve - nerve roots

A

L2-4

24
Q

Sciatic nerve - nerve roots

A

L4-S3

25
Q

Tibial nerve nerve roots

A

L4-S3

26
Q

Common peroneal nerve roots

A

L4-S2

27
Q

Superficial peroneal nerve roots

A

L4-S1

28
Q

Deep peroneal nerve roots

A

L4-S1

Physiology MRCP (19 decks)

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