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Neuro_Brachial Plexus

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  1. Lateral cord - nn roots
    C5-C7
  2. Lateral cord - supplies what nns? - 3
    • Median nn
    • Musculocutaneous nn
    • Lateral pectoral nn
  3. Lateral cord damage - mms affected; functional movements affected
    • Median nn -
    • Musculocutaneous nn - Biceps brachii & brachialis mm - elbow flexion
    • Musculocutaneous nn - Coracobrachialis mm - GH flexion
    • Lateral pectoral nn - Pec major (clavicular head) - such small section of pecs that it’s not as important - so all GH
  4. Medial cord - nn roots
    C8, T1
  5. Medial cord - supplies what nns? - 3
    • Median nn
    • Ulnar nn
    • Medial pectoral nn
  6. Medial cord damage - mms affected (5)??; functional movements affected
    • Hand mms - flexi carpi ulnaris; flexor digiti minimi; thumb ABD??
    • Medial pectoral nn - pec major & minor - scapular depression & protraction; GH IR/ADD/Horizontal ADD
  7. Posterior cord - nn roots
    C5-T1
  8. Posterior cord - supplies what nns? - 4
    • Axillary nn
    • Radial nn
    • Thoracodorsal nn
    • Subscapular nn
  9. Posterior cord damage - mms affected (4); functional movements affected (5)
    • Axillary nn - Deltoid mm - GH ABD + extension
    • Radial nn - Triceps mm - elbow extension
    • Radial nn - Supinator mm - forearm supination
    • Radial nn - Extensors of wrist - wrist extension
  10. Erb’s palsy - upper or lower paralysis? nn roots involved; nns involved (3)
    • Upper arm paralysis
    • NN roots - C5, C6
    • NNs - Axillary; Musculocutaneous; Suprascapular
  11. Erb’s palsy - clinical presentation
    • Flaccid paralysis - “Waiter’s tip deformity”
    • Sh ADD/IR + elbow extension + forearm pronation + wrist flexion
  12. Erb's paralysis - impairments (non—sensory) 3
    • Loss of elbow flexion - biceps brachii
    • Loss of forearm supination - brachialis
    • DEC shoulder girdle function - loss of rotator cuff, deltoid, coracobrachialis mms —> loss of shoulder ABD/ER
  13. Erb’s palsy - In severe cases what will child not be able to do functionally? - 3
    • Hug a doll
    • Drink from a cup
    • Zipper a winter coat
  14. Erb’s palsy - early Tx - 2
    • Neutral positioning of arm
    • Gentle ROM exercises
  15. Klumpke’s palsy - upper or lower paralysis? nn roots involved; mm involved; Weakness; what is affected most? Appearance
    • Lower arm paralysis - C8-T1 nn roots
    • MMs involved - Intrinsics of hand;
    • Weakness - Hand & wrist flexors
    • Affected most - hand function
    • Appearance - claw hand - flexion & supination at elbow; wrist extension; hyperextension of MCP
  16. Whole Arm Paralysis - nn roots involved; Appearance; Weakness; Most affected; Tx
    • C5-T1 nn roots stretched during birth
    • Appearance - Claw hand
    • Weakness - hand & wrist flexors
    • Most affected - Hand function
    • Tx - Partial immobilization of limb across upper abdomen for 1-2 wks
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Author
Tanuisha
ID
326093
Card Set
Neuro_Brachial Plexus
Description
Neuro_Brachial Plexus
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