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Questions and Answers
What happens when a muscle is stretched quickly?
What happens when a muscle is stretched quickly?
- Muscle spindle contracts and tension increases (correct)
- GTO fires and inhibits muscular contraction
- Sarcomeres lengthen slowly
- Connective tissue adapts slowly
What is the role of Golgi Tendon Organ (GTO) when muscle is stretched slowly?
What is the role of Golgi Tendon Organ (GTO) when muscle is stretched slowly?
- Shortens sarcomeres
- Causes muscle spindle contraction
- Inhibits muscular contraction (correct)
- Increases tension in the muscle
What is the function of collagen fibers in soft tissues?
What is the function of collagen fibers in soft tissues?
- Resist tensile deformation and provide strength (correct)
- Elongate quickly under heavy loads
- Fail abruptly under light loads
- Cause stiffness but no strength
How do elastin fibers behave under light loads?
How do elastin fibers behave under light loads?
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Why is it important to prevent irreversible contractures when stretching soft tissues?
Why is it important to prevent irreversible contractures when stretching soft tissues?
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What is one goal of increasing flexibility prior to strengthening exercises?
What is one goal of increasing flexibility prior to strengthening exercises?
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How can connective tissue adapt with immobilization?
How can connective tissue adapt with immobilization?
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What happens to collagen fibers beyond their deformation point?
What happens to collagen fibers beyond their deformation point?
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Why do elastin fibers elongate under light loads?
Why do elastin fibers elongate under light loads?
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What is the role of muscle spindle when muscle is stretched quickly?
What is the role of muscle spindle when muscle is stretched quickly?
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