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Posterior Muscles
MUSCLES
10
Anatomy
Undergraduate 3
05/17/2013

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Cards

Term
UPPER TRAPEZIUS
(Moves Scapula)


[image]
Definition

ACTION: Elevation. Up Rotation

ORIGIN: Base of skull to occipital protuberance

INSERTION: Posterior lateral 1/3 of clavicle

Term
MIDDLE TRAPEZIUS
(Moves Scapula)
[image]
Definition
ACTION: Elevation. Adduction. Up rotation ORIGIN: Spinous process of c7, T1-T3 INSERTION: Medial border of the acromiom process and superior border of the scapular spine
Term
LOWER TRAPEZIUS
(Moves Scapula)
[image]
Definition
ACTION:Adduction. Depression. Up rotation. ORIGIN: Spinous process of 4-12 thoracic vertebra INSERTION:Triangular space at the base of the scapular spine
Term
Rhomboid Minor (Moves Scapula)
Definition
ACTION: Down rotation. Adduction. ORIGIN:Spinous process of C7-T1 ROTATION:Medial border of the scapula (below the spine)
Term
Rhomboid Major
(Moves scapula)
Definition
ACTION: Down rotation. Adduction.
ORIGIN: Spinous process of T2-T5.
INSERTION: Medial border of the scapula (below the spine)
Term
Subclavis
Definition
ACTION: Depression. Protraction.
ORIGIN: First Rib
INSERTION: Clavicle (Inferior border)
Term
Serratus Anterior
(Moves Scapula)
Definition
ACTION: Protraction. Up Rotation.
ORIGIN: Upper 8 or 9 ribs
INSERTION: Medial border of the scapula
Term
Levator Scapulae
Definition
ACTION: Elevation.
ORIGIN: Tranverse processes of C1-C4
INSERTION: Medial border of the scapula
Term
Teres Major
(Moves humerus)
Definition
ACTION: Extension. Adduction. Internal rotation.
ORIGIN: Inferior Angle (scapula)
INSERTION: Medial lip of bicipital groove (humerus)
Term
Teres Minor
(Moves humerus)
Definition
ACTION: External rotation. Horizontal abduction. Diagonal adduction.
ORIGIN: Lateral border (scapula).
INSERTION: Greater tubercle (humerus)
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