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ACSM Personal Trainer

Category - Initial Client Consultation and Assessment

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What process involves the binding of calcium and troponin to shape shift the tropomyosin, exposing activated sites on the actin filament and causing a subsequent shortening of the muscle fiber?

Sliding - filament theory
Calcium pump
Action potentials
Excitation of myosin

Explanation

Answer: A - The sliding - filament theory involves the binding of calcium and troponin to shape - shift the tropomyosin, exposing activated sites on the actin filament and causing subsequent shortening of the muscle.

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