Peripheral Nerve Injuries/Palsies Flashcards

1
Q

Where is the median nerve usually entrapped/compressed and what is the effect of this?

A

Carpal tunnel (wrist)
Burning pain, numbness, tingling in first 3.5 digits

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2
Q

Where is the ulnar nerve usually entrapped/compressed and what is the effect of this?

A

Cubital tunnel (elbow)
Burning pain, numbness, tingling in medial half of fourth digit and whole fifth digit

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3
Q

Where is the radial nerve usually entrapped/compressed and what is the effect of this?

A

Spiral groove of humerus
Wrist drop

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4
Q

Where is the posterior interosseous nerve usually entrapped/compressed and what is the effect of this?

A

Supinator muscle (forearm)
Weakness of finger and thumb extension at MCP joint and weakness of thumb abduction

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5
Q

Where is the lateral cutaneous nerve of the thigh usually entrapped/compressed and what is the effect of this?

A

Inguinal ligament
Tingling, numbness and burning pain in outer thigh

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6
Q

Where is the common peroneal nerve usually entrapped/compressed and what is the effect of this?

A

Neck of fibula
Foot drop (affecting dorsiflexion and eversion)

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7
Q

Where is the posterior tibial nerve usually entrapped/compressed and what is the effect of this?

A

Tarsal tunnel (flexor retinaculum in foot)
Numbness, tingling, weakness in bottom of foot

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