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Back Anatomy
Function of Muscles in the Back Created by C. Susott
15
Health Care
Professional
07/26/2008

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Cards

Term
latissimus dorsi
Definition
extends the arm and rotates the arm medially
Term
levator scapulae
Definition
elevates the scapula
Term
rhomboideus major
Definition
retracts, elevates and rotates the scapula inferiorly
Term
rhomboideus minor
Definition
retracts, elevates and rotates the scapula inferiorly
Term
serratus anterior
Definition
it draws the scapula forward; the inferior fibers rotate the scapula superiorly
Term
trapezius
Definition
elevates and depresses the scapula (depending on which part of the muscle contracts); rotates the scapula superiorly; retracts scapula
Term
erector spinae
Definition
extends and laterally bends the trunk, neck and head
Term
iliocostalis
Definition
extends and laterally bends the trunk and neck
Term
longissimus
Definition
extends and laterally bends the trunk, neck and head
Term
semispinalis
Definition
extends the trunk and laterally bends the trunk, rotates the trunk to the opposite side
Term
serratus posterior inferior
Definition
pulls down lower ribs
Term
serratus posterior superior
Definition
elevates the upper ribs
Term
spinalis
Definition
extends and laterally bends trunk and neck
Term
splenius
Definition
extends and laterally bends neck and head; rotates head to same side
Term
splenius capitis
Definition
extends and laterally bends the neck and head, rotates head to the same side
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