Which of These Occurs During an Isometric Contraction of a Skeletal

question 73

Multiple Choice

Which of these occurs during an isometric contraction of a skeletal muscle?

• A)The I bands shorten and the A bands stay the same length.
• B)The thick and thin filaments slide past each other.
• C)Sarcomere length does not change significantly.
• D)The A bands shorten and the I bands stay the same length.
• E)Cross-bridges lock onto actin,similar to what occurs in rigor mortis.

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