Term
| Erb-Duchene (C5-C6 upper trunk) |
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Definition
Stretch between head and shoulder, can be obstetric.
Musculocutaneous, Suprascapular, Axillary, Phrenic
“Waiter’s tip hand”
(pronated and medially rotated arm). |
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Term
| Klumpke (C8-T1 lower trunk) |
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Definition
Sudden upward pull
Median, Ulnar, Sympathetics of the T1 spinal nerve
Claw hand, paralysis of the small muscles of the hand |
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Term
| Long Thoracic Nerve (Bell’s Palsy) (C5, C6, C7) |
|
Definition
Surgical injury (breast surgery)
Long Thoracic (Serratus Anterior)
Winged Scapula, paralysis of the serratus anterior, Inability to rotate the scapula during abduction, difficulty raising the arm above the head. |
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Term
| Median Nerve Palsy (C5, C6, C7, C8, T1) |
|
Definition
Lacerations at the wrist
Lacerations at the elbow
Median Nerve
Hand of Papal Benediction, thenar atrophy, pronator of all wrist flexors and finger (except for 1 and ½) |
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Term
| Radial Nerve Palsy (C5, C6, C7, C8, T1) |
|
Definition
Fracture of the humerus
Badly fitted crutches
“Saturday night palsy” from drunkenness
Radial Nerve
“Wrist drop”
Paralysis of extensors of wrist and fingers |
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Term
| Ulnar Nerve Palsy (C7, C8, T1) |
|
Definition
Fracture of the medial epicondyle
Superficial cuts and stab wounds at the wrist
Ulnar Nerve
Claw hand”, hypothenar and interosseous muscles and adductor pollicis atrophy. Paralysis of 1 and ½ forearm flexors |
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