1. Chapter 13 - Understanding the Muscular System
Vocabulary Flashcards
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2. Ligament
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3. A strong band of connecting tissue that holds bone to bone.
Ligament…
A strong band of connecting tissue that holds bone to bone.
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4. Concentric Contraction
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5. Concentric Contraction:
A muscle contraction in which one end of the muscle remains stationary while the other end pulls and turns the bone about the joint. Also known as a shortening contraction or positive contraction.
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6. Atrophy
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7. When a muscle becomes smaller because of non-use.
Atrophy …
When a muscle becomes smaller because of non-use.
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8. Tendon
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9. Tissue that attaches muscle to bone.
Tendon…
Tissue that attaches muscle to bone.
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10. Static Contraction
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11. Static Contraction…
When the muscle remains in partial or complete contraction without changing its length.
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12. Cartilage
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13. Firm, elastic connective tissue.
Cartilage…
Firm, elastic connective tissue.
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14. Fast-twitch Muscle Fiber
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15. Fast-twitch Muscle Fiber…
A muscle fiber which has a low capacity to use oxygen and the ability to contract rapidly. These muscles are used for short and intense bursts of action.
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16. Eccentric Contraction
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17. Eccentric Contraction…
A muscle contraction which involves a gradual release of the contraction; often called a lengthening or negative contraction.
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18. Slow-twitch Muscle Fiber
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19. Slow-twitch Muscle Fiber…
A type of muscle fiber having a high capacity to use oxygen, but slow contractile ability. These fibers are used in endurance activities.
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20. Testosterone
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21. A hormone which is partially responsible for muscle development.
Testosterone…
A hormone which is partially responsible for muscle development.
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22. Hypertrophy
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23. The increase in muscle fiber size as a result of strength training.
Hypertrophy…
The increase in muscle fiber size as a result of strength training.
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24. Muscular Endurance
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25. Muscular Endurance…
The ability of a muscle group to continue muscle movement over a length of time.
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