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9 Cards in this Set
- Front
- Back
Trapezius
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A: Upper Fibers: Bilaterally - extend the head and neck
Unilaterally: laterally flex the head and neck to the same side, rotate the head and neck to the opposite side, elevate the scapula, upwardly rotate the scapula Middle Fibers: adduct and stabilize the scapula Lower Fibers: Depress and upwardly rotate the scapula O: Exteneral occipital protuberance, medial portion of superior nuchal line of the occiput, ligamentum nuchae, and spinous process of C-7 through T-12 I: Lateral 1/3 of clavicle, acromion, and spine of the scapula |
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Rhomboid Major and Minor
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A: Adduct, elevate, and downwardly rotate the scapula.
O: Major - spinous processes of T-2 to T-5 Minor - Spinous processes of C-7 and T-1 I: Major - Medial border of scapula between the spine of the scapula and inferior angle Minor - Upper portion of medial border of the scapula, across from spine of scapula |
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Infraspinatus
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A: Laterally rotate the shoulder, adduct the shoulder, extend the shoulder, horizontally abduct the shoulder, stabilize head of humerus in glenoid cavity.
Origin: Infraspinous fossa of the scapula Insertion: Greater tubercle of the humerus |
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Teres Minor
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A: Laterally rotate the shoulder, adduct the shoulder, extend the shoulder, horizontally abduct the shoulder, stabilize head of humerus in gleniod cavity
O: Superior half of lateral border of the scapula I: Greater tubercle of the humerus |
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Teres Major
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A: Extend the shoulder, adduct the shoulder, medially rotate the shoulder
O: Lateral side of inteferior angle and lower half of lateral border of the scapula I: Crest of the lesser tubercle of the humerus |
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Latissimus Dorsi
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A: Extend the shoulder, adduct the shoulder, medially rotate the shoulder
O: Spinous process of last 6 thoracic vertebrae, last 3 or 4 ribs, thoracolumbar aponeurosis and posterior iliac crest I: Crest of the lesser tubercle of the humerus |
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Deltoid
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A: All fibers - Abduct the shoulder
Anterior fibers - Flex the shoulder, medially rotate the shoulder, horizontally adduct the shoulder Posterior fibers: extend the shoulder, laterally rotate the shoulder O: Lateral 1/3 of clavicle, acromion, spine of scapula I: Deltoid Tuberosity |
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Supraspinatus
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A: Abduct the shoulder, stabilize head of humerus in glenoid cavity.
O: Supraspinous fossa of the scapula I: Greater tubercle of the humerus |
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Subscapularis
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A: Medially rotate the shoulder, stabilize head of humerus in glenoid cavity
O: Subscapular fossa of the scapula I: Lesser Tubercle of the Humerus |