Term
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Definition
Origin: lower ribs
Insertion: iliac crest & linea alba
Action: compresses abdomen |
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Term
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Definition
Origin: iliac crest & inguinal ligament
Insertion: lower ribs & linea alba
Action: compresses abdomen |
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Term
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Definition
Origin: pubic bone
Insertion: costal cartilages & xiphoid process
Action: flexes trunk on pelvis |
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Term
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Definition
Origin: clavicle, sternum, ribs
Insertion: intertubercular sulcus of humerus
Action: flexes arm |
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Term
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Definition
Origin: ribs 2-5
Insertion: coracoid process of scapula
Action: depresses shoulder |
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Term
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Definition
Origin: ribs 2-9
Insertion: medial border of scapula
Action: protracts shoulder |
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Term
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Definition
Origin: Nuchal lines of occipital bone & spinous processes of C-7 and T-12
Insertion: clavicle, acromion, spine of scapula
Action: descending part elevates shoulder, transverse part retracts scapula, ascending part depresses shoulder |
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Term
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Definition
Origin: lower thoracic & lumbar spinous processes, iliac crest
Insertion: intertubercular sulcus of humerus
Action: extends arm |
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Term
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Definition
Origin: upper thoracic spinous processes
Insertion: medial border of scapula
Action: adducts scapula |
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Term
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Definition
Origin: transverse processes of cervical vertebrae
Insertion: upper medial border of scapula
Action: adducts scapula |
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Term
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Definition
Origin: clavicle, acromion, spine of scapula
Insertion: deltoid tuberosity of humerus
Action: flexes arm |
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Term
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Definition
Origin: zygomatic arch
Insertion: ramus of mandible
Action: elevates mandible when chewing |
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Term
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Definition
Origin: temporal bone
Insertion: coronoid process of mandible
Action: elevates mandible |
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