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19 Cards in this Set
- Front
- Back
- 3rd side (hint)
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How many muscles are in the body? |
600 |
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How much of our weight comes from our muscles? |
40-50% |
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What are the 3 types of muscles? |
-skeletal -cardiac -smooth |
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Which types of muscles are striated? |
-cardiac -skeletal |
2 |
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Which types of muscles are involuntary? |
-cardiac -smooth |
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What are the 4 main functions of the muscles? |
-movement -stabilization -substance movement -heat |
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What are the 3 properties of muscles? |
-contractility -extensibility -elasticity |
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What is contractility? |
The ability for a muscle to contract and generate force |
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What is extensibility? |
The ability for a muscle to be stretched beyond resting length |
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What is elasticity? |
The ability for a muscle to return to resting length once the stretch is removed |
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Where are tendons on a muscle and what do they do? |
They are located at the ends of the muscle and attach to bony surfaces |
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What are the two ends of a muscle called? |
The origin and insertion |
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Is myosin thick or thin? |
Thick |
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What are 4 Common things among muscles (function)? |
-contractility -extensibility -elasticity -excitability |
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What is the smallest unit of a muscle? |
sarcomeres |
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What 3 muscles make up the hamstring? |
-semitendinosus -semimembranosus -bicep femoris |
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What 4 muscles make up the quadriceps? |
-vastus lateralis -vastus medialis -rectus femoris -vastus intermedius |
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What are the 3 layers of a muscle ? (Outer to inner) |
-epimysium -perimysium -endomysium |
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What's beneath the perimysium? |
The fascicle |
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