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Muscle tests for corresponding nerve roots and disc levels

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Question
Answer
C5 Nerve RootC4 Disc Level   Deltoid innervated by axillary nerveBiceps innervated by musculocutaneous nerve  
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C6 Nerve RootC5 Disc Level   Wrist Extensors (extensor carpi radialis longis & brevis, extensor carpi ulnaris) innervated by the radial nerve  
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C7 Nerve RootC6 Disc Level   Triceps innervated by radial nerveWrist Flexors (flexor carpi radialis - median nerve and flexor carpi ulnaris - ulnar nerve)Finger Extensors - extensor digitorum communis, extensor indicis profundus, extensor digiti minimi - radial nerve  
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C8 Nerve RootC7 Disc Level   Finger Flexors - flexor digitorum profundus, flexor digitorum superficialis, lumbricals - innervated by the median and ulnar nerves  
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T1 Nerve RootC8 Disc Level   Finger abductors - dorsal interossei innervated by the radial nerveFinger adduction - palmar interossei innervated by the ulnar nerve  
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L4 Nerve RootL3 Disc Level   Foot dorsiflexion and inversion - tibialis anterior innervated by the deep peroneal nerve  
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L5 Nerve RootL4 Disc Level   Foot dorsiflexionBig toe dorsiflexion - Extensor Hallucis Longus (deep peroneal nerve)Toes 2, 3, 4 dorsiflextion - extensor digitorum longus and brevis (deep peroneal nerve)Hip and pelvis abduction - Gluteus Medius & minimums (sup. gluteal nerve)  
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S1 Nerve RootL5 Disc Level   Foot plantarflexion - gastroc and soleus (tibial nerve)Foot plantar flexion & eversion - peroneus longus & brevis (superficial peroneal nerve)Hip extension - gluteus maximus (inf. gluteal nerve)  
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C5 Reflex   Biceps  
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C6 Reflex   Brachioradialis  
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C7 Reflex   Triceps  
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C8 Reflex   No reflex  
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T1 Reflex   No reflex  
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L4 Reflex   Patellar Tendon  
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L5 Reflex   No Reflex  
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S1 Reflex   Achilles  
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