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.

Question

Quizplus · Accepted Answer

During an isometric contraction, the muscle generates force without changing its length significantly. This means that the sarcomere length does not change, and the thick and thin filaments do not slide past each other. However, the tension generated by the muscle can still be measured.

Which of These Occurs During an Isometric Contraction of a Skeletal