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14 Cards in this Set
- Front
- Back
Pectoralis major
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Origin: Medial half of the clavicle and the sternum
Insertion: Greater tubercle of the humerus (proximal half of humerus) Action: Flexes, adducts, and medially rotates the arm |
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Pectoralis minor
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Origin: Surface of the middle ribs
Insertion: Coracoid process of the scapula Action: Depresses the scapula |
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Serratus anterior
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Origin: Outer surface of the upper ribs
Insertion: Vertebral border of the scapula Action: Abducts and stabilizes the scapula |
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Latissimus dorsi
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Origin: Spinous processes of lower thoracic vertebrae
Insertion: Intertubercular groove of humerus (proximal half of humerus) Action: Extends, adducts and medially rotates arm |
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Deltoid
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Origin: Acromion process of the scapula
Insertion: Deltoid tuberosity of the humerus Action: Abducts the arm |
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Trapezius
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Origin: Occipital bone and ligamentum nuchae
Insertion: Acromion process of the scapula Action: Rotates, adducts, and stabilizes the scapula |
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Levator scapulae
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Origin: Transverse processes of upper cervical vertebrae
Insertion: Vertebral border of the scapula Action: Elevates the scapula |
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Rhomboideus major
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Origin: Spinous processes of thoracic vertebrae
Insertion: Vertebral border of the scapula Action: Rotates, adducts, and stabilizes the scapula |
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Rhomboideus minor
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Origin: Spinous processes of lower cervical and upper thoracic vertebrae
Insertion: Vertebral border of the scapula Action: Rotates, adducts, and stabilizes the scapula |
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Supraspinatus
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Origin: Supraspinous fossa of the scapula
Insertion: Greater tubercle of the humerus (proximal half of humerus) Action: Abducts the arm |
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Infraspinatus
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Origin: Infraspinous fossa of the scapula
Insertion: Greater tubercle of the humerus (proximal half of humerus) Action: Rotates the arm laterally |
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Subscapularis
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Origin: Subscapular fossa of the scapula
Insertion: Lesser tubercle of the humerus (proximal half of the humerus) Action: Rotates the arm medially |
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Teres major
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Origin: Inferior angle of the scapula
Insertion: Lesser tubercle of the humerus (proximal half of the humerus) Action: Adducts, extends and medially rotates the arm |
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Teres minor
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Origin: Axillary border of the scapula
Insertion: Greater tubercle of the humerus (proximal half of the humerus) Action: Rotates the arm laterally |