Spinal nerve segments and innervations
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BI242 OSU
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14 Terms
What are the four Plexi?
Cervical, brachial, lumbar, and sacral
Phrenic nerve
C3-C5
Diaphragm
Axillary nerve
C5-C6
Deltoid and teres minor
Musculocutaneous nerve
C5-C7, innervates coracobrachialis, biceps brachii, and brachialis
ulnar nerve
C8-T1, innervates flexor carpi ulnaris and flexor digitorum profundus
radial nerve
C5-T1, innervates brachioradialis and extensor carpi radialis longus
median nerve
C5-T1, innervates pronator teres, palmaris longus, and flexor digitorum superficialis
femoral nerve
L2-L4, innervates pectineus, sartorius, and quadriceps femoris
obturator nerve
L2-L4, innervates adductors
sciatic nerve
Largest nerve! L4-S3, innervates hamstrings
tibial branch (nerve)
L4-S3, innervates flexors of ankle and toes
Fibular branch (nerve)
L4-S2, innervates extensors of the ankle and toes
Note 
Flashcards (20)