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Medicine year 4 - finals prep > lower limb nerve lesions > Flashcards

lower limb nerve lesions Flashcards

1
Q

Motor supply - knee extension, thigh flexion?

A

Femoral nerve

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2
Q

Sensory supply - anterior and medial aspect of thigh, lower leg

A

Femoral nerve

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3
Q

Typical mechanism of femoral nerve injury?

A

Hip and pelvic fractures
Stab/ gunshot wounds

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4
Q

Obturator nerve - motor supply?

A

Thigh adduction

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5
Q

Sensory supply to medial thigh?

A

Obturator nerve

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6
Q

Typical mechanism of obturator nerve injury?

A

Anterior hip dislocation

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7
Q

Lateral cutaneous nerve of the thigh - motor supply?

A

none

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8
Q

Lateral cutaneous nerve to thigh provides sensory supply to?

A

Lateral and posterior surfaces of the thigh

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9
Q

Mechanism of injury - lateral cutaneous nerve of thigh injury?

A

compression of the nerve near ASIS - neuralgia paraesthetica

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10
Q

Tibial nerve = motor supply to?

A

Foot plantar flexion and inversion

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11
Q

Tibial nerve provides sensory supply to?

A

Sole of foot

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12
Q

Motor supply for foot dorsiflexion, eversion and extensor hallucinations longus?

A

Common peroneal nerve

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13
Q

Sensory supply to dorm of the foot and lower lateral part of leg?

A

Common peroneal nerve

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14
Q

Injury to common peroneal nerve?

A

Neck of fibula
Tightly applied lower limb plaster cast
Injury causes foot drop

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15
Q

Hip abduction - nerve?

A

Superior gluteal nerve

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16
Q

Sensory function of superior gluteal nerve

A

None

17
Q

Injury - superior gluteal nerve?

A

Misplaced IM injection
Hip surgery
Pelvic fracture
Posterior hip dislocation

18
Q

What does superior gluteal nerve injury result in?

A

Positive trendelenburg sign

19
Q

What does inferior gluteal nerve supply motor innervation to?

A

Hip extension and lateral rotation

20
Q

When is inferior gluteal nerve injured?

A

In association with sciatic nerve

21
Q

What does inferior gluteal nerve injury cause?

A

Difficulty rising from seated position
Can’t jump
Can’t climb stairs

Medicine year 4 - finals prep (2 decks)

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