Peripheral Nerve Injuries/Palsies Flashcards
Where is the median nerve usually entrapped/compressed and what is the effect of this?
Carpal tunnel (wrist)
Burning pain, numbness, tingling in first 3.5 digits
Where is the ulnar nerve usually entrapped/compressed and what is the effect of this?
Cubital tunnel (elbow)
Burning pain, numbness, tingling in medial half of fourth digit and whole fifth digit
Where is the radial nerve usually entrapped/compressed and what is the effect of this?
Spiral groove of humerus
Wrist drop
Where is the posterior interosseous nerve usually entrapped/compressed and what is the effect of this?
Supinator muscle (forearm)
Weakness of finger and thumb extension at MCP joint and weakness of thumb abduction
Where is the lateral cutaneous nerve of the thigh usually entrapped/compressed and what is the effect of this?
Inguinal ligament
Tingling, numbness and burning pain in outer thigh
Where is the common peroneal nerve usually entrapped/compressed and what is the effect of this?
Neck of fibula
Foot drop (affecting dorsiflexion and eversion)
Where is the posterior tibial nerve usually entrapped/compressed and what is the effect of this?
Tarsal tunnel (flexor retinaculum in foot)
Numbness, tingling, weakness in bottom of foot