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A muscle fiber will not respond to a stimulus until that stimulus reaches what?
A muscle fiber will not respond to a stimulus until that stimulus reaches the threshold level needed to trigger an action potential. This threshold level is the minimum amount of stimulus required to elicit a response from the muscle fiber.
Which muscle characteristic describes the ability of muscle to respond to a stimulus?
Excitability
Is irritability a function of muscle tissue?
Yes. They respond to stimulus.
Why Stimulus strength affect the twitch force?
Stimulus strength affects twitch force because a stronger stimulus leads to recruitment of more motor units within the muscle, resulting in more muscle fibers contracting simultaneously. This leads to a greater force output during muscle contraction.
Which muscle trait is the ability to respond to a stimulus such as a nerve or hormone?
Muscle excitability is the ability to respond to a stimulus, such as a nerve signal or hormone, by generating an electrical impulse that leads to muscle contraction. This trait allows muscles to react to signals from the nervous or endocrine systems to produce movement.
How does the frequency of stimulation affect the amount of force generated by the muscle?
Increasing the stimulus to an isolated muscle increases the strength of a contraction. A muscle begins to contract when the stimulus is given; however, if the muscle does not finish contracting before the next stimulus hits, then the force of the contraction will increase to finish the contraction. This is known as wave summation.
What is the ability of a muscle to respond to nerve stimulus called?
neuromuscular efficiency neuromuscular efficiency
Do bones and muscles work together for movement?
Well, yes but bones have no nerve stimulus so respond to muscle movement.
How does the threshold stimulus influence muscle contraction?
The threshold stimulus is the stimulus required to create an action potential. So any stimulus under this level will not cause muscle contraction, while a stimulus above this level will cause the muscle to contract. The higher the stimulus the more muscle fibers are recruited, and thus the higher the response.
Stimulus at which the muscle first contracts perceptibly?
Threshold stimulus
Is Concentric in exercise shortening of muscle or not?
Looking form the out side the two bones to which the Muscle is attached moves closer when the muscle is contracting concentrically while they do not when muscle is contracting eccentrically
When your muscle shortens and moves a load?
muscle fibers contracting
