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Back Anatomy
Innervation of Back Muscles Created by C. Susott
17
Health Care
Professional
07/26/2008

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Cards

Term
latissimus dorsi
Definition
thoracodorsal nerve (C7,8) from the posterior cord of the brachial plexus
Term
levator scapulae
Definition
dorsal scapular nerve (C5); the upper part of the muscle receives branches of C3 & C4
Term
rhomboideus major
Definition
dorsal scapular nerve (C5)
Term
rhomboideus minor
Definition
dorsal scapular nerve (C5)
Term
serratus anterior
Definition
long thoracic nerve (from ventral rami C5-C7)
Term
trapezius
Definition
motor: spinal accessory (XI), proprioception: C3-C4
Term
erector spinae
Definition
segmentally innervated by dorsal primary rami of spinal nerves C1-S5
Term
iliocostalis
Definition
dorsal primary rami of spinal nerves C4-S5
Term
interspinales
Definition
dorsal primary rami of spinal nerves C1-L5
Term
longissimus
Definition
dorsal primary rami of spinal nerves C1-S1
Term
semispinalis
Definition
dorsal primary rami of spinal nerves C1-T12
Term
serratus posterior inferior
Definition
branches of the ventral primary rami of spinal nerves T9-T12
Term
serratus posterior superior
Definition
branches of the ventral primary rami of spinal nerves T1-T4
Term
spinalis
Definition
dorsal primary rami of spinal nerves C2-L3
Term
splenius
Definition
dorsal primary rami of spinal nerves C2-C6
Term
splenius capitis
Definition
dorsal primary rami of spinal nerves C2-C6
Term
splenius cervicis
Definition
dorsal primary rami of spinal nerves C2-C6
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