What accounts for the decrease in the length of an entire muscle?
A)the combined decrease in sarcomere length
B)the combined shortening of actin filaments
C)the combined shortening myosin filaments
D)the combined shortening of thin filaments
E)the combined decrease in sarcomere length and the combined shortening of actin filaments

Question

Quizplus · Accepted Answer

The decrease in the length of an entire muscle is primarily due to the combined decrease in sarcomere length, as muscle contraction involves the sliding of actin and myosin filaments past each other, shortening the sarcomeres without changing the length of the filaments themselves.

What Accounts for the Decrease in the Length of an Entire