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Scalene Muscles
Origins, insertions and action of the Scalene Muscles
9
Anatomy
Graduate
10/30/2011

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Cards

Term
Anterior scalene: origin
Definition
ant tubercles of trans processes of
CIII to CVI
Term
Anterior scalene: insertion
Definition
scalene tubercle upper surface of rib I
Term
Anterior scalene: action
Definition
elevates rib I,
flexes & rotates vert column
Term
Middle scalene: origin
Definition
post tubercles of trans processes of
CII to CVII
Term
Middle scalene: insertion
Definition
upper surface of rib I behind subclavian groove
Term
Middle scalene: action
Definition
elevates rib I
together: flexes neck
alone: flex cervical column laterally
Term
Posterior scalene: origin
Definition
post tubercles of trans processes of
CIV to CVI
Term
Posterior scalene: insertion
Definition
sup aspect of rib II
Term
Posterior scalene: action
Definition
elevates rib II;
together: flex neck
alone: flex cervical column laterally
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