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(A) In muscle physiology, a muscle twitch is the response of a muscle to a single stimulus. $1$. The $Latent 	ext{ period}$ is the short delay betwee

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Contraction time

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(A) In muscle physiology, a muscle twitch is the response of a muscle to a single stimulus. $1$. The $Latent 	ext{ period}$ is the short delay between the application of the stimulus and the beginning of the contraction. $2$. The $Contraction 	ext{ time}$ is the interval from the beginning of the contraction (or the end of the latent period) to the peak of tension development. $3$. The $Relaxation 	ext{ time}$ is the period from the peak of tension back to the resting state. Therefore, the time period between the beginning of the electrical response (which triggers the contraction) and the peak of tension is defined as the contraction time.

The time period between the beginning of the electrical response and the peak of tension recorded is known as:

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