Term
| three main types of muscles |
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Definition
| skeletal, smooth, cardiac |
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Term
| characteristics of skeletal muscle |
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Definition
striated or stripped
voluntary muscle that allows movement, stabilizes joints, and helps maintain body temperature |
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Term
| characteristics of smooth muscle |
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Definition
nonstriated
involintary muscle
found in organs of body and linings of vessels
facilitates internal movement within the body |
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Term
| characteristics of cardiac muscle |
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Definition
involuntary
striated muscle
only found in the heart |
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Term
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Definition
| result of primary movers (agonists) and relaxtion of opposing muscles (antagonists) |
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Term
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Definition
muscle consist of many single muscle fibers combrised of myofibrils
smallest functional cantractile unit is sacromere
each sacromere unit contains two threadlike contractile proteins: myosin and actin |
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Term
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Definition
| actin and myosin protein filaments, in the presence of ATP and calcium, fprm crossbridges that cause the filaments to slide past each other, causing the muscle to contract or shorten |
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Term
| their is a relationship between the nervous and muscular systems in which the motor neuron of the nervous system initiates the activity of muscle contraction through the release of a neurotransmitter |
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Definition
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