At Io, a muscle is maximally stretched so that it can develop the most tension upon contraction, because the thin filaments can slide in a maximal distance.

Question

Quizplus · Accepted Answer

The maximal tension is developed when the muscle is at its optimal length, not when it is maximally stretched. At optimal length, there is the greatest overlap between actin and myosin filaments, allowing for maximal cross-bridge formation and tension development.

At Io, a Muscle Is Maximally Stretched So That It