Premotor time can be defined as the time between the presentation of a stimulus and the start of a movement the time between the presentation of a stimulus and the first change in the electrical activity of any muscle involved in the movement to be performed the time between the presentation of a stimulus and the first change of electrical activity of the prime mover muscle involved in the movement to be performed the time between the initiation of the movement and the first change in the electrical activity of the postural muscles involved in the movement to be performed the time between the presentation of a signal and the initiation of a response

Answered: Premotor time can be defined as…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

Premotor time can be defined as

		the time between the presentation of a stimulus and the start of a movement
		the time between the presentation of a stimulus and the first change in the electrical activity of any muscle involved in the movement to be performed
		the time between the presentation of a stimulus and the first change of electrical activity of the prime mover muscle involved in the movement to be performed
		the time between the initiation of the movement and the first change in the electrical activity of the postural muscles involved in the movement to be performed
		the time between the presentation of a signal and the initiation of a response

Expert Solution

Step 1

Each skeletal muscle fiber is under the control of a single motor neuron through which the conduction of signals takes place to the muscle from the brain or spinal cord. An EMG signal is a signal measuring the electrical currents produced in the muscle during the contraction and is the representation of their neuromuscular activities.