Podcast
Questions and Answers
What occurs during an isotonic contraction?
What occurs during an isotonic contraction?
- Muscle exerts force without contraction.
- Muscle contracts and shortens. (correct)
- Muscle contracts but does not change length.
- No movement is observed in the muscle.
Which image would illustrate an isometric contraction?
Which image would illustrate an isometric contraction?
- An arm holding a weight still. (correct)
- An arm lifting a weight.
- An arm swinging a weight back and forth.
- An arm relaxing after lifting a weight.
Which of the following statements is true about isometric contractions?
Which of the following statements is true about isometric contractions?
- They do not change the muscle length. (correct)
- They create visible movement in the body.
- They are often associated with running.
- They involve repetitive muscle stretching.
What characteristic distinguishes isotonic contractions from isometric contractions?
What characteristic distinguishes isotonic contractions from isometric contractions?
During which type of contraction would a person lift weights and see movement?
During which type of contraction would a person lift weights and see movement?
Flashcards
Isotonic Contraction
Isotonic Contraction
Muscle contracts and shortens, resulting in movement.
Isometric Contraction
Isometric Contraction
Muscle contracts but does not shorten, resulting in no movement.
What is an Isometric contraction?
What is an Isometric contraction?
A type of muscle contraction where the muscle does not shorten.
What is an Isotonic contraction?
What is an Isotonic contraction?
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What are the two main types of muscle contractions?
What are the two main types of muscle contractions?
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