A&P - Muscles
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| What are the 4 properties of muscle tissue? | Electrical excitability, contractility, extensibility, and elasticity
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| What percentage of your body mass is made up of muscle? | 40
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| What are the functions of muscles? | stabilize the body position, generate heat, regulate organ volume, and propel fluid and food matter through the body.
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| Each skeletal muscle is also a what? | Organ
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| What are CT sheaths that surround groups of muscles? | Fascia
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| What is the outermost layer of CT called? | Epimysium
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| What is the CT that surrounds groups of muscle fibers? | Perimysium
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| What is the CT that surrounds separate muscle fibers? | Endomysium
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| What is the plasma membrane of the muscle fiber called? | Sarcolemma
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| What is is the cytoplasm of the muscle fiber called? | Sarcoplasm
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| What are are the contractile organelles of skeletal muscle called? | Myofibrils
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| Which types of muscles are striated? | Cardiac and skeletal
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| Which types of muscles are non-striated? | Smooth
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| Which types of muscles are voluntary? | Skeletal
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| Which types of muscles are involuntary? | Smooth and cardiac
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| Which types of muscles are multi-nucleate? | Skeletal
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| Which types of muscles are uni-nucleate? | Smooth and cardiac
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| Which types of muscles are considered visceral? | Smooth
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| What is formed when two bones articulate? | Joint
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| What is the attachment of a muscle’s tendon to the stationary bone? | Origin
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| What is the attachment of a muscle's tendon to the movable bone? | Insertion
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| Muscles contract to what percentage of their length? | 70
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| How many patterns of fascicles are there? | 5
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| What are the different patterns of fascicles? | Parallel, fusiform, circular, triangular, pennate
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| What does the prime mover, or agonist, do? | Contracts
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| What does the antagonist do? | Stretch
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| What stabilizes intermediate joints or otherwise assist the prime mover? | Synergists
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| What are are muscles that keep the origin steady while an action is occurring? | Fixators
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| What are the word roots for muscles? | Pattern, size, shape, number, action, location, site
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