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16 Cards in this Set
- Front
- Back
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define epimysium |
layer of connective tissue, which ensheathes the entire muscle and protects muscles from friction against other muscles and bones. |
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What layer of areolar connective tissue ensheaths each individual myocyte (muscle fiber, or muscle cell) |
Endomysium |
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What is the name of the connective tissue that bundles muscle fibers? |
Perimysium |
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What feature of a sarcomere retains a constant length but contracts by pulling against itself? |
Myofibrils |
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What is the motor protein involved in muscle contraction? |
Myosin |
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What terms refers to the capacity of muscle to contract or shorten forcefully |
Contractability |
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Muscles respond to stimulation by nerves and hormones? What is the name of this feature of a muscle? |
Exciteability |
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Define extensibility |
muscles can be stretched to their normal resting length and beyond to a limited degree |
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What term refers to the fact that muscles can be stretched but will return to their normal length |
Elasticity |
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________ contractions generate force by changing the length of the muscle and can be ________ or _______ contractions |
Isotonic, concentric, eccentric |
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A ______ contraction causes muscles to shorten, thereby generating force, whereas ______ contractions cause muscles to elongate in response to a greater opposing force |
concentric, Eccentric |
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What type of contration generates force with changing the length of the muscle? |
isometric |
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How often should you change your workout routine? |
8-16 weeks |
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What are the overtraining symptoms? |
Fatigue, loss of appetite, extreme soreness |
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What are the 5 types of grips covered? |
1) Supinated 2) Closed 3) Wide 4) Shoulder 5) Mixed |
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Whats the difference between atrophy and hypertrophy? |
atrophy is a decrease in muscle mass; muscle hypertrophy is an increase in muscle mass due to an increase in muscle cell size |
