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Gross Anatomy
Muscles of the Thorax
32
Anatomy
Graduate
11/26/2009

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Cards

Term
Serratus Posterior Superior Origin
Definition
Ligamentum nuchae, spinous processes of C7-T3
Term
Serratus Posterior Superior Insertion
Definition
Superior borders of 2-4 ribs
Term
Serratus Posterior Superior Innervation
Definition
2 to 5th Intercostal N.
Term
Serratus Posterior Superior Action
Definition
Elevate ribs
Term
Serratus Posterior Inferior Origin
Definition
Spinous processes of T11-L2
Term
Serratus Posterior Inferior Insertion
Definition
Inferior borders of 8-12 ribs near their angles.
Term
Serratus Posterior Inferior Innervation
Definition
Ventral rami of 9-12 thoracic spinal nerve
Term
Serratus Posterior Inferior Action
Definition
Depresses ribs
Term
Levatores Costarum Origin
Definition
Transverse processes of T7-11
Term
Levatores Costarum Insertion
Definition
subjacent ribs between tubercle and angle
Term
Levatores Costarum Innervation
Definition
Dorsal primary rami of C8-11 nerves
Term
Levatores Costarum Action
Definition
Elevate ribs
Term
External Intercostal Origin
Definition
Inferior border of ribs
Term
External Intercostal Insertion
Definition
Superior border of ribs below
Term
External Intercostal Innervation
Definition
Intercostal nerve
Term
External Intercostal Action
Definition
Elevate ribs
Term
Internal Intercostal Origin
Definition
Inferior border of ribs
Term
Internal Intercostal Insertion
Definition
Superior border of ribs below
Term
Internal Intercostal Innervation
Definition
Intercostal Nerve
Term
Internal Intercostal Action
Definition
Depress Ribs
Term
Innermost Intercostal Origin
Definition
Inferior Border of ribs
Term
Innermost Intercostal Insertion
Definition
Superior border of ribs below
Term
Innermost Intercostal Innervation
Definition
Intercostal nerve
Term
Innermost Intercostal action
Definition
elevate ribs
Term
Subcostal Origin
Definition
Internal surface of lower ribs near their angles
Term
Subcostal Insertion
Definition
Superior borders of 2nd or 3rd ribs below
Term
Subcostal Innervation
Definition
Intercostal Nerve
Term
Subcostal Action
Definition
elevate ribs
Term
Transversus Thoracis origin
Definition
Posterior surface of lower sternum
Term
Transversus Thoracis Insertion
Definition
Internal surface of costal cartilages 2-6
Term
Transversus Thoracis Innervation
Definition
Intercostal nerve
Term
Transversus Thoracis action
Definition
depress ribs
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