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Anterior Muscles of the Thorax and Abdomen and Pectoral Girdle Day 5

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jenndouglas89's version from 2017-03-04 23:36

Section

Question Answer
Origin of External ObliquesAnterior Surface of last 8 ribs
Insertion of External ObliquesLinea Alba
Action of external obliquesAids in trunk rotation and lateral flexion, compresses abdomen
Insertion of Internal ObliquesLinea alba, ribs 9-12, pubic crest
Action of Internal ObliquesAids in trunk rotation and lateral flexion, compresses abdomen
Action of Transverse AbdominisCompresses abdomen
Origin of Pectorialis MinorAnterior surface ribs 3-5
Insertion of Pectorialis MinorCoracoid process of scapula
Action of Pectorialis MinorProtracts and depresses shoulder
Action of Serratus AnteriorProtracts and aids in upward rotation of scapula
Action of TrapeziusElevates, retracts, and rotates scapula
Action of Rhomboid MajorAdduct, downward rotation of scapula
Action of Rhomboid MinorAdduct, downward rotation of scapula
Action of Levator ScapulaeElevates scapula
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