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6 Cards in this Set
- Front
- Back
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What are the 6 things used to name muscles? |
1. Origin and insertion (origin=connection site that does not move, proximal end. Insertion=connection site that does move, distal end) 2. Location 3. Action 4. Shape (triangle-trapezius, rhomboid-rhomboideus) 5. Size (major/minor) 6. Fiber pattern (circular, convergent, parallel, pennate, fusiform=oblique) |
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What is the head of a muscle? |
Each origin is called a head. In the case of multiple origins, each origin is a head. Triceps brachii has 3 origins/heads |
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What is the belly of a muscle? |
The part of the muscle between the origin & the insertion. |
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What is a tendon? |
Located at the attachment point, that connects each muscle to the bone |
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What is aponeurosis? |
A sheet of pearly white fibrous tissue that acts as a tendon |
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What is a prime mover? |
In a group of synergists, the muscle that contributes most to the movement. Ex. Brachiallis is the prime mover in elbow flexion. |
