Nerve charts unit 1

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4 Terms

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RADIAL NERVE CHART

-Brachial plexus origins

-Unique feature or Landmark

-Sensory test (cutaneous)

-muscles innervated

-motor test (action)

-Anomaly

-Brachial plexus origins: Posterior cord, C5-T1

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-Unique feature or Landmark:

Triangular interval, Radial groove/Midhumerus

TC: Profunda brachii

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-Sensory test (cutaneous)

Skin over posterior arm and forearm, over dorsal surface of lateral hand (test on dorsum of hand between fingers 1/2)

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-muscles innervated:

ALL POSTERIOR ARM MUSCLES

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-motor test (action):

Extension and supination

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-Anomaly:

WRIST DROP: passive condition, extensors that normally keep wrist in a neutral postion dont work, therefor flexors/gravity act and we see wrist drop.

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w

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a

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