What does the all or none principle state about muscle contraction?
The all-or-none law is a principle that states that the strength of a response of a nerve cell or muscle fiber is not dependent upon the strength of the stimulus. If a stimulus is above a certain threshold, a nerve or muscle fiber will fire.
How does the all or none law apply to muscle contraction?
The ‘All or None’ Law Each fibre within a motor unit contracts according to the all or none law. This principle states that when a motor unit receives a stimulus of sufficient intensity to bring forth a response, all the muscle fibres within the unit will contract at the same time, and to the maximum possible extent.
What does the all or nothing law of contraction state?
Each fibre within a motor unit contracts according to the all or none law. This principle states that when a motor unit receives a stimulus of sufficient intensity to bring forth a response, all the muscle fibres within the unit will contract at the same time, and to the maximum possible extent.
What does the all or none law refer to?
All-or-none law, a physiological principle that relates response to stimulus in excitable tissues. It has been established, however, that the individual fibres of both skeletal muscle and nerve respond to stimulation according to the all-or-none principle.
What does the all or none law of muscle contraction state quizlet?
In the “all or none” law of muscle contraction, it states that when the stimulus applied exceeds threshold then the the nerve sending signals to a few muscle fibers will give a complete response; contraction. As a result, individual twitches begin to combine, and the contraction becomes sustained.
What does the all or none law state quizlet?
The all-or-none law is the principle that the strength by which a nerve or muscle fiber responds to a stimulus is independent of the strength of the stimulus. If the stimulus exceeds the threshold potential, the nerve or muscle fiber will give a complete response; otherwise, there is no response.
What does the all-or-none law of muscle contraction state quizlet?
What does the all-or-none law state quizlet?
What is the all or none law of muscle contraction quizlet?
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What is the all-or-none principle quizlet?
Terms in this set (33) The all-or-none law is the principle that the strength by which a nerve or muscle fiber responds to a stimulus is independent of the strength of the stimulus. If the stimulus exceeds the threshold potential, the nerve or muscle fiber will give a complete response; otherwise, there is no response.
Which of the following correctly states the all or none principle?
Which of the following correctly states the all-or-none principle? A given stimulus either triggers a typical action potential or does not produce one at all. Action potentials occur in all neurons if a stimulus that lowers the membrane potential is applied.
What is the all or none principle quizlet?
What is the all or none law for nerves and muscles?
All-or-None Law for Nerves and Muscles. The all-or-none law is a principle that states that the strength of a response of a nerve cell or muscle fiber is not dependent upon the strength of the stimulus. If a stimulus is above a certain threshold, a nerve or muscle fiber will fire.
Which is true of the all or none law?
The all-or-none law is a principle that states that the strength of a response of a nerve cell or muscle fiber is not dependent upon the strength of the stimulus. If a stimulus is above a certain threshold, a nerve or muscle fiber will fire. Essentially, there will either be a full response or there will be no response at all for an individual
When does a nerve or muscle fiber fire?
If a stimulus is above a certain threshold, a nerve or muscle fiber will fire. Essentially, there will either be a full response or there will be no response at all for an individual neuron or muscle fiber.
How does an induction shock produce a contraction?
In his descriptions of the contraction of the heart muscle, he explained, “An induction shock produces a contraction or fails to do so according to its strength; if it does so at all, it produces the greatest contraction that can be produced by any strength of stimulus in the condition of the muscle at the time.”