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8 Cards in this Set
- Front
- Back
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Superficial Pectoral
2 portions Descending Pectoral Portion General location- Ventromedial chest- Superficial |
Origin- Cranial aspect of ventral sternum
Insertion-Greater tubercle of humerus Action- Adducts the arm, extends the shoulder |
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Superficial Pectoral
2 portions Transverse Pectoral Portion General location- Ventromedial chest- Superficial |
Origin- Cranial half od ventral sternum (deep to the descending)
Insertion-Greater tubercle of humerus Action-Adducts the arm, extends the shoulder- Supports the whole trunk area. |
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Deep Pectoral
General Location- Ventromedial chest- Deep |
Origin- Ventral sternum
Insertion- Lesser tubercle of humerus Action- Adducts the arm, supports the trunk, retracts the limb |
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Serratus Ventralis
General Location- Lateral neck and chest- Deep |
Origin- TP C3-C7 and ventral ribs 1-8
Insertion- Medial dorsal scapula (serrated face) Action- Supports trunk, depresses scapula |
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External Oblique
(2 portions) General Location- Lateral wall of abdomen- Deep |
Origin- Lateral middle part of ribs 4-12 and trunk fascia
Insertion- Linea alba, pubis, abdominal tendon Action- Flexes and moves spine laterally, compresses abdomen, supports viscera |
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Internal Oblique
(3 parts) General Location- Lateral wall of abdomen- Deep |
Origin- Thoracolumbar fascia to rib 12
Insertion- Ribs 12, 13; linea alba, pubis Action- Flexes and moves spine laterally, compresses abdomen, supports viscera |
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Transversus Abdominus
(2 parts) General Location- Lateral wall of abdomen- Deepest |
Origin- Ribs and costal cartilage of ribs 8-13; TP L1-7, thoracolumbar fascia
Insertion- Xiphoid cartilage, rectus sheath, linea alba Action- Compresses abdomen, contains viscera |
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Rectus Abdominus
General Location- Ventral medial belly- Deep |
Origin- Pubis
Insertion- Xiphoid, costal cartilage of ribs 1 and 9. Action- Flexes spine, compresses abdomen, contains viscera |
