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Questions and Answers
What does isotonic contraction involve?
What does isotonic contraction involve?
- Muscles contract but don't produce any movement
- Muscle length changes as tension is developed (correct)
- No change in muscle length occurs
- Tension is maximal throughout a range of motion
What occurs during isometric contractions?
What occurs during isometric contractions?
Muscles contract but don't produce any movement
Isokinetic contractions occur when muscle tension is minimal.
Isokinetic contractions occur when muscle tension is minimal.
False (B)
Define isokinetic contraction.
Define isokinetic contraction.
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Study Notes
Types of Muscle Contractions
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Isotonic Contraction
- Muscle length changes while developing tension.
- Commonly observed in activities like lifting weights where movement occurs.
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Isometric Contraction
- Muscles contract without any change in muscle length or joint movement.
- Examples include pushing against an immovable object or holding a static position.
-
Isokinetic Contraction
- Muscle tension remains maximal throughout the entire range of motion.
- Typically involves specialized equipment that controls the speed of movement, ensuring consistent resistance.
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