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Related Flashcards
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Cards In This Set
| Front | Back |
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What are tendons?
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Attaches muscles to bones
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What are tendon sheaths?
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-composed of fibrous connective tissue
-permits tendons to slide easily and prevent them from slipping out of place |
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Deep fascia
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Holds the muscles together. Wraps the Epimysium...making it the outermost layer
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Epimysium
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Wraps entire muscle. Wrapped by Deep Fascia
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Fascicles
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Bundles of muscle fibers (myofiber)
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Perimysium
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Covers the fascicles (each BUNDLE of fibers)
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Endomysium
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Covers every individual muscle fiber
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Naming Muscles (7)
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1) Direction of muscle fibers
2) Relative size of muscle 3) Location of muscle 4) Number of origin 5) Location of origin 6) Shape of muscle 7) Action of muscle |
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Origin vs Insertion
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Origion: tendon attaching the muscle to the less movable bone is called the origin
Insertion: tendon attaching to muscle to the MORE movable bone is called the insertion |
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Paris of muscles that act against each other are called what?
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Antagonists
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Muscles can't push, but they pull
True or False? |
True
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How are skeletal muscles produced?
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Produced by a fusion of hundreds of small embryonic cells called myoblasts (why myofibers are multinucleated)
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Sarcolemma vs Sarcoplasm
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Sarcolemma: Cell membrane
Sarcoplasm: Cytoplasm |
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Glyocosomes
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Vacuoles that store glycogen
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Myoglobin
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Protein in muscle, stores oxygen. Unique oxygen binding protein...has a reddish pigment like blood.
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