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Trapezius
External OccipitalProtuberance, nuchalligament and spinousprocess of C7-T12
Lateral 3rd of clavicle,acromion and spine of scapula
Elevates, depresses,retracts, rotates andfixes scapula; extendsneck
Accessory Nerve and Cervical Plexus
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Latissimus Dorsi
Thoracolumbar Fascia (T7-L5, Sacrum and Iliac Crest
Medial Crest of Intertubercular groove
Adducts and medially rotates arm and extends shoulder
Thoracodorsal(brachial plexus)
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Rhomboideus Major
T1-T4
Medial border ofscapula
Retracts, rotates and fixes scapula
Dorsal Scapular
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Rhomboideus Minor
C6-C7
Medial Border of Scapula
Retracts, rotates and fixes scapula
Dorsal Scapular Nerve
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Levator Scapula
C1-C4
Superior angle of Scapula
Elevates, retracts and rotates scapula and laterally flexes neck
Dorsal Scapular Nerve
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Serratus Posterior Superior
Lower portion of ligamentum nuchae, spinous process of C7, T1-T3
Upper border of 2nd-4th or 5th ribs
Elevate ribs during inspiration
First four intercostal nerves
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Serratus Posterior Inferior
Spinous process of T11-L2
Lower border of 10th 11th and 12th ribs
Depresses ribs during inspiration and prevents them from being pulled up by the action of the diaphragm
Last four intercostal nerves
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Splenius Capitis
Splenius Cervicis
Nuchal Ligament and Spinous process of C7-T3 or T4
Mastiod process and lateral third of superior nuchal line. Transverse process of C1-C3
Laterally Bend and rotate head, extend neck and head
Dorsal rami of spinal nerves
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Deep Back Muscles
Just the names
- Iliocostalis
- Longissimus
- Spinalis
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Semispinalis Thoracis/Cervacis/Capitis
pg 488
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Multifidi
Bends or laterally flexes the vertebral column and rotates it
Dorsal rami of spinal nerves
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Rotators
Extends vertebral column and bends it toward the opposite side.
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Obliquus Capitis Inferior
Apex of spinous process of axis
Inferior and dorsal part of the transverse process of atlas
Rotates the atlas and turns head toward the same side
Suboccipital nerve dorsal rami C1
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Obliquus Capitis Superior
Upper surface of transverse processes of atlas
Between superior and inferior nuchal line
Extends head and rotates to the same side
Subocciptial nerve dorsal rami C1
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Rectus Capitis Posterior Major
Spinous process of axis
Lateral part of inferior nuchal line
Extends head and rotates to same side
Suboccipital nerve dorsal rami C1
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Rectus Captitis Posterior Minor
Tubercle of posterior arch of atlas
Medial part of inferior nuchal line
Extends head
Suboccipital nerve dorsal rami C1
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