What are the sub-threshold voltages? ______ What is the threshold voltage? _____

Question

What are the sub-threshold voltages? ______ What is the threshold voltage? ______ What is the maximal voltage? ______ What is the supra-maximal voltage? ______ What is the reason for a lack of muscle response when the muscle is stimulated using a sub-threshold voltage? _______ What concept with a muscle organ produces an increase in muscle strength (active force) when stimulating the muscle from its threshold voltage to its maximum voltage? ______ Why doesn't the muscle increase its strength of contraction when the muscle organ is stimulated using a supra-maximal voltage? _______

Explanation / Answer

5 The subthreshold voltages are the stimuli below a threshold i.e. minimum strength needed to trigger a response i.e. muscle contraction.

6. Threshold stimulus is the minimum strength of the stimuli required to generate a response i.e. muscle contraction.

7. Maximal voltage is the strength of the stimuli beyond which the force of muscle contraction i.e. response does not increase any further when the voltage.

8. Supramaximal voltage is the strength of the stimuli beyond the maximal for which no response is generated.

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