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8 Cards in this Set
- Front
- Back
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What is the primary action of the pectoralis minor? What is the origination? Insertion
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The primary action is to draw the scapula anteriorly and down.
O-ribs 3-5 I-coracoid process of the scapula |
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What muscle is the pectoralis minor located under?
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Pectoralis major
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Primary action of the serratus anterior?
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Holds the scapula close to the chest. **looks like a serrated knife** which is important for PUNCHING/PUSHING.
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What is the primary action(s) of the trapezius?
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Superior-elevate scapula
Middle-adduct scapula Inferior-depress scapula |
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What is the primary action of the pectoralis major?
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Flex arm **bench press**
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What is the primary action of the latissimus dorsi?
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Extends the arm **rowing**
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What is the primary action of the deltoid?? Where does it originate from? Insert?
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Abducts the Arm.
O-clavicale and acromion and spine of the scapula. I-deltoid tuberosity of the humerus |
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What muscle is an antagonist to the deltoid?
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Pectoralis Major
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