Term
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Definition
Provide the major force for producing a specific movement |
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Term
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Definition
Oppose or reverse a particular movement |
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Term
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Definition
Add force to a movement. Reduce undesirable or unnecessary movement. |
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Term
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Definition
Synergists that mobilize a bone or muscle's origin |
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Term
7 Criteria that are used to name skeletal muscles: |
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Definition
1. Location of the muscle, 2. Shape of the muscle, 3. Relative size of the muscle, 4. Direction of muscle fibers, 5. Number of origins, 6. Location of the attachments, 7. Action |
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Term
Parallel Arrangement of Fascicles |
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Definition
Fascicles run parallel to the long axis of the muscle (sartorius)
[image] |
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Term
Fusiform Arrangement of Fascicles |
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Definition
Spindle-shaped muscles (biceps brachii)
[image] |
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Term
Pennate Arrangement of Fascicles |
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Definition
Short fascicles that attach obliquely to a central tendon running the length of the muscle (rectus femoris)[image] |
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Term
Convergent Arrangement of Fascicles |
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Definition
Fascicles converge from a broad origin ro a single tendon insertion (pectoralis major)[image] |
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Term
Circular Arrangement of Fascicles |
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Definition
Fascicles are arranged in concentric rings (orbicularis oris)[image] |
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Term
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Definition
a rigid bar that moves on a fulcrum, or fixed point |
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Term
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Definition
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Term
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Definition
Resistance moved by the effort |
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Term
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Definition
The fulcrum is between the load and the effort[image] |
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Term
Second Class Lever System |
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Definition
The load is between the fulcrum and the effort[image] |
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Term
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Definition
The effort is applied between the fulcrum and the load[image] |
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Term
How are muscles of the skin different from the rest of the muscles |
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Definition
They usually insert in the skin (rather than bone) and adjacent muscles often fuse |
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Term
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Definition
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Term
The Prime Mover of Back Extension |
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Definition
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Term
Prime movers of shoulder elevation |
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Definition
Trepezius and levator scapulae |
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