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Muscle length doesn't changes :-...

Muscle length doesn't changes `:-`

A

Isotonic contraction

B

Isometric contraction

C

Tetanic contraction

D

None

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding Muscle Contraction Types**: There are different types of muscle contractions, and it is essential to know how they differ in terms of muscle length changes. 2. **Identifying the Key Term**: The question states that "muscle length doesn't change." This indicates that we are looking for a type of muscle contraction where the muscle remains the same length while generating force. 3. **Evaluating Options**: - **Isotonic Contraction**: In this type of contraction, the muscle length changes while the tension remains constant. This is not the correct answer. - **Isometric Contraction**: In this type of contraction, the muscle generates force without changing its length. This fits the description given in the question. - **Titanic Contraction**: This refers to a state of sustained muscle contraction where the muscle is in a constant state of tension, but it does not specifically address the question of length change. - **None**: This option is not applicable since we have identified a suitable contraction type. 4. **Conclusion**: The correct answer to the question "muscle length doesn't change" is **isometric contraction**. **Final Answer**: The correct option is **isometric contraction**. ---
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