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18 Cards in this Set
- Front
- Back
- 3rd side (hint)
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How many skeletal muscles make up nearly half our body weight?
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600
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how many muscle shapes and fiber arrangements?
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There are 5 muscle shapes and fiber arrangements.
what are their names? |
Parallel
Convergent Pennate Bipennate Sphincter |
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what are the 3 muscle attatchments?
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origin
insertion muscle contraction |
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what is the differene between origin and insertion?
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origin is more proximal broader and fixed, insertion is distal narrower and moveable.
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describe muscle contraction.
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insertion is pulled toward origin.
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what are the four muscle actions?
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prime mover (agonist)
antagonist synergist fixator |
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what is the difference between prime mover and antagonist?
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the prime mover produces the major movement and the antagonist does the opposite of the prime mover.
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how does the synergist affect the prime mover?
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helps prime mover for movement
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what does the fixator do?
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stabilizes the joint and maintains the posture.
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describe 3 lever system.
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first class lever is like see-saw
second class lever is like wheel barrel third class lever is like shoveling, lift pull, lift pull. |
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how many muscle names?
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7
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what are all of the 7 types of muscle names?
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location, function, shape, fiber direction, number of heads, points of attatchment, size
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which muscle type is orbicularis and why?
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because of it's fiber direction.
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how many important muscles types of the body are there?
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17
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name 9 muscle type of the (body part)
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muscles of:
1.mastification 2. the face 3. the neck 4. the thorax 5. the abdomen 6.the back 7.the perinium 8. the hand 9. the buttocks |
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name 6 muscle types of movement
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muscles that move:
1. the upper arm 2. the forearms 3. the wrists and fingers 4. the thigh 5. the lower leg 6. the ankle and foot |
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what are the 4 muscles included in the rotator cuff muscles?
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1. supraspinatus
2. infraspinatus 3. teres minor 4. subscapularis |
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what are the 2 muscles acting on the shoulder girdle?
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1. serratus interior
2. levator scapulae |
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