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25 Cards in this Set
- Front
- Back
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What is seen if radial nerve is damaged? |
cannot extend forearm, loss of triceps reflex, loss of sensation of posterior arm; loss of brachioradialis reflex, WRIST DROP (cannot extend wrist), loss of sensation of posterior forearm, loss of sensation of lateral and posterior hand
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Radial nerve hint
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BEST: brachioradialis, extensors of wrist and fingers, supinator, triceps
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What is seen if the ulnar nerve is damaged?
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CLAW HAND (cannot flex distal IP joint of ring and little finger), cannot adduct thumb, cannot abduct or adduct fingers, loss of sensation of medial hand
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What is seen if median nerve is damaged?
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cannot pronate, cannot flex thumb, cannot pronate, BISHOP'S HAND/HAND OF BENEDICTION, cannot flex DIP joints of digits 2 and 3, loss of sensation of lateral palm, loss of sensation of distal first 3 1/2 digits
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What if recurrent branch of medial nerve is damaged?
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APE HAND (cannot oppose thumb)
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How do you get scapular winging?
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long thoracic N damage
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Loss of forearm pronation
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Median
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cannot raise arm
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axillary N- deltoid
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loss of arm and forearm flexion
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musculocutaneous
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initiation of abduction
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suprascapular N - supraspinatus muscle
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site of injury of radial nerve
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shalf of humerus
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site of injury of median nerve
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supracondyle of humerus
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site of injury of ulnar nerve
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medial epicondyle
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site of injury of axillary nerve
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surgical neck of humerus or anterior shoulder dislocation
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Erb-Duchenne palsy
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traction or tear of the upper trunk of the brachial plexus (C5 and C6 roots); follows blow to shoulder or trauma during delivery
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Erb-Duchenne findings
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limb hands by side (paralysis of abductors), medially rotated (paralysis of lateral rotators), forearm is pronated (loss of biceps)
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Superior trunk nerves
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suprascapular (to infra and supra spinatus), subclavius muscle
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Lateral cord nerve
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lateral pectoral N
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posterior cord nerves
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lower subscapular (teres major), thoracodorsal (lat dorsi), upper subscapular (subscapularis)
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medial cord nerve
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medial pector to pectoralis major and minor
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lateral cord and medial cord combine to form...
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median N (pronators, thenar)
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lateral cord ends as...
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musculocutaneous (flexors)
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posterior cord turns into...
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radial N (triceps, extensors)
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medial cord ends as...
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ulnar (interosseus)
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posterior cord lateral branch
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axillary (deltoid, teres minor)
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