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10 Cards in this Set
- Front
- Back
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pectoralis major
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origin: medial third of clavicle, front of sternum, costal cartilage of ribs 5-7 insertion: lateral lip of intertubercular groove of the humerus action:adducts, flexes, medially rotates arm innervation:medial and lateral pectoral nerves |
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pectoralis minor
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origin ribs 3-5 insertion: coracoid process of scapulae action: protract,depress, medially rotate scapulae innervation: medial pectoral |
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subclavius
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origin: upper border of 1st rib insertion:subclavian groove of clavicle action:protract and depress clavicle innervation: nerve to subclavius (5th and 6th cervical nerves) |
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serratus anterior
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origin:ribs 1-8. insertion: ventral surface-medial border of scapule action: protract and rotate the scapulae nerve: long thoracic |
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trapezius
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origin:occipital bone, spines of C7 and T1-12 and ligamentum nuchae insertion: lateral 1/3 of clavicle, acromion, and spine of scapule action: retract and rotate scapula, tilt head back, upper portion elevate scapulae, lower portion depress scapulae innervation:cranial nerve XI(spinal acessory nerve) sensory C3-4 |
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Rhomboid major |
origin: spines of T2-5 insertion:medial border of scapule between sine and inferior angle action: retract and rotate the scapulae innervation:dorsal scapular |
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Rhomboid minor |
origin:ligamentum nuchae, spines of C7-T1 insertion: medial border of spine of scapulea action:retract and rotate the scapula innervation:dorsal scapular |
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levator scapulae
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origin:transverse process of C1-4 insertion: medial border of scapule above the spine action:elevate and rotate scapulae innervation:3rd and 4th cervical spinal nerves and dorsal scapular |
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lattisimus dorsi
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origin:thoracolumbar fascia, iliac crest, spines T7-T12 and lower 3 ribs insertion: intertubercular groove of humerus action: extend, medially rotate and adduct arm at shoulder innervation:thoracodorsal |
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deltoid
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origin:lateral 1/3 clavicle, acromion, spine of scapulae innervation:deltoid tuberosity of humerus action:abduct arm, anterior fibers flex arm and internally rotate, posterior fibers extend/ext rotate nerve:axillary |
