Scapular Stabilizers

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1
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<p>what is this muscle and what are 1, 2, 3, their origins, insertions and actions</p>

what is this muscle and what are 1, 2, 3, their origins, insertions and actions

Superficial Trapezius Muscles common insertion: scapula

  1. Upper fibers, Origin: occipital bone, elevation

  2. Middle fibers, Origin: thoracic vertebrae, retraction

  3. Lower fibers, Origin: thoracic vertebrae, depression


2
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<p>muscle, origin, insertion &amp; action</p>

muscle, origin, insertion & action

Levator scapulae

Origin:C1-C4

Insertion:superior angle of scapula

Action: elevation

3
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<p>Muscles, origins, insertions &amp; action</p>

Muscles, origins, insertions & action

1. Rhomboid minor, origin: C7-T1

2. Rhomboid major, origin: T2-T5

Insertion: medial border of scapula

Action: scapular retraction


4
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<p>Muscle, origin, insertion &amp; action</p>

Muscle, origin, insertion & action

Serratus Anterior

origin: ribs

insertion: medial border of scapula, anterior side

action: protraction

5
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<p>Muscle, origin, insertion &amp; action(s)</p>

Muscle, origin, insertion & action(s)

Pectoralis Minor, deep to pectoralis major

origin: ribs (3-5)

insertion: coracoid process of scapula

actions: scapular protration, scapular depression