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41 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Erb-Duchenne palsy. what's the other name? where's the lesion? what's it look like and why
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Waiter's tip. C5-C6 by trauma. !deltoid => ad. !biceps => ext. !rotator cuff => medially rotated, pronated.
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Klumpe's paralysis. Where's the lesion and what causes is? Deficit?
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C8-T1 by stretch, pancoast tumor. intrinsic mucle of hand => can't make first => "claw hand"
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C7 lesion. How? What happens?
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Cervical disc lesion. lose tricep reflex, 3rd finger sesnation.
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Axillary nerve lesion. How? What happens?
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Humerus dislocation, fracture at surgical neck. !deltoid=>ad. !teres minor => medial rotated.
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Posterior cord injury. How? What happens?
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Dunno. Wrist drop (radial) w/ ~delt.
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Long thoracic nerve injury. What muscle? Physical findings?
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Serratus anterior. Winged scapula.
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Radial nerve lesion. How (3)? What happens? Which muscles? Where is sensation lost?
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Wrist drop. Compression in axilla (crutch) = Saturday night palsy, midshaft humerus fracture (spiral groove), subluxation of radius. Extensor carpi radialis/ulnaris, extensor digitorum/indicis/minimi +/- triceps dep on where it is. Sensation: loss lateral dorsum hand.
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Musculocutaneous injury. How? What happens? sensation?
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dunno. !bicep => extended/pronated. sensation: lateral forarm
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median nerve lesion. how?
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supracondylar fracture of humerus, carpal tunnel syndrome, dislocated lunate
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median nerve lesion. what happens? sensation?
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ape hand: can't flex/oppose thumb. hand of benediction: can't flex 2+3. ulnar deviation: flexor carpi radialis.
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ulnar nerve lesion. how?
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fracture hook of hamate, compression at heel, fx at medial condyle of humerus.
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ulnar nerve lesion. what happens? sensation/
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ulnar claw hand: !lumbricals => 4+5 clawed at rest. !interosseus: can't hold paper btwn fingers. radial deviation: flexor carpi radialis. sensation: palmar 4.5-5.
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clavical fracture doesn't always cause a brachial plexus injury. why?
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subclavius muscle.
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what does the radial nerve supply
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BEST: brachioradialis, extensors of fingers/wrist, supinator, triceps
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thenar/hypothenar muscles
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opponens, abductor, flexor
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pudendal nerve block. where?
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ischial spine
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draw the carpal bones.
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nice.
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what supplies the head of the femur? describe the path from the aorta
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aorta => common iliac => femoral artery => medial circumflex
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what supplies the upper shaft of the the femur? describe the path from the aorta
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aorta => common iliac => femoral artery => lateral circumflex => upper shaft of femur
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genioglossus: function and nerve
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protrude to contralateral side. cn 12
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hyoglossus: function and nerve
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retract. cn 12.
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palatoglussus: function and nerve
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retract. cn 10. all palats are 10, except tensor veli palatini (V3)
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draw brachial plexus w/ lesions.
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yiiiiiiikes.
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draw enervation of hand sensation
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true.
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back of skull. dermatome?
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C2
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turtle neck shirt. dermatome?
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C3
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t shirt collar. dermatome?
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C4
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nipple. dermatome?
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T4
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xiphoid process. dermatome?
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T7
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umbilicus. dermatome? why important?
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T10. early appendicitis referal.
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None
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inguinal ligament. dermatome?
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L1
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anus, penis. dermatome?
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S2-4
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knee cap. dermatome?
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L4. L4 to the floor (on your knees)
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Muscle spindle fibers? measure? synapses?
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parallel, measure length. inc in length: Ia afferent => alpha, contract. (monosynaptic)
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Golgi tendon apparatus
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series, measure tension. inc T: Ib afferent => inhibitory neuron => dec agonist. also inc antagonist. (dysynapatic)
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achilles reflex: nerve roots?
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S1,S2
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patellar reflex: nerve roots?
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L3, L4
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biceps reflex: nerve roots?
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C5, C6
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triceps reflex: nerve roots?
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C7, C8
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babinksi reflex
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toes go down
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primitive reflexes reemerge with what lesion?
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frontal lobe
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