Which Statement Concerning the Length-Tension Relationship of Skeletal Muscle Is

question 265

Multiple Choice

Which statement concerning the length-tension relationship of skeletal muscle is INCORRECT?

• A) When a muscle is maximally stretched, it can develop the most tension upon contraction because the thin filaments can slide a maximal distance.
• B) Maximum tension can be developed if the muscle is at its lowest at the onset of contraction.
• C) In the body, the relaxed length of muscle is at its optimal length.
• D) When the initial length of muscle prior to contraction becomes very short, tension is decreased during contraction because of thin filament overlap, because the thick filaments are compressed against the Z lines, and because not as much Ca²⁺is released during excitation-contraction coupling.

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