The 'latent period' of a muscle twitch represents the time required for:
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Correct answer: Excitation-contraction coupling.
The latent period is the short delay between the action potential and the start of tension development. This time is used for calcium release, binding to troponin, and the start of cross-bridge cycling.
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More Muscle Contraction questions
- In cardiac muscle, the structure that allows for rapid electrical coupling between cells is the:
- Smooth muscle contraction is 'tonic' and efficient because of the 'latch state.' This state is characterized by:
- Which of the following describes the role of Calsequestrin?
- Which protein acts as a calcium sensor, shifting the position of tropomyosin to expose myosin-binding sites?
- What is the specific role of ATP during the 'detachment' phase of the cross-bridge cycle?
- In skeletal muscle, where is the majority of calcium stored during the relaxed state?