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Why does the muscle force increase when the voltage stimulus is increased?
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Why does repaired fractured leg look weak after removing plaster?
when we use our muscle in workout it gets hypertrophied(increase in size) and when wedon't use the muscle it gets atrophied(decrease in size).so when fracture happened we don't use the muscles of that part for long time so its look weak after removing plaster of Paris
What is muscle conductivity?
Ability to conduct impulses along the muscle membrane.
Why are homes powered by ac and not by dc current?
power station may also provide dc voltage with using of dc generator but it is not economical to transmit the dc voltage. Since the step up and step down of dc voltage is not possible directly using transformers, we'll have to transmit domestic supply voltage (DC, as your inquiry). But transmission of a DC voltage over lengthy lines would result in a much less voltage at receiver's end. So, considering the efficiency, economy and easiness, AC is preferred to DC.
What is in ic carisoprodol?
muscle relaxer
How were the pyramids built without machines?
Human muscle and lots of it
What is the relationship between amplitude of muscle response and voltage of stimulus applied?
The relationship between the amplitude of muscle response and the voltage of the stimulus is generally linear. As the voltage of the stimulus increases, the muscle response increases in amplitude up to a certain point. Beyond that point, further increases in voltage may not significantly increase the muscle response amplitude or could lead to muscle fatigue or damage.
Why is there no further increase in muscle contraction force above the maximum stimulus voltage?
all motor units are in action
What is the definition of maximal stimulus?
The maximal stimulus is the strongest stimulus that produces increased muscle contractile force.
What is the lowest stimulus voltage that induces active force in the skeletal muscle?
It is called the threshold voltage and is around -70 mvolts.
What is the minimal level of stimulus to cause a muscle contraction?
it is known as the threshold stimulus usually seen in tonic contraction
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.
Which of these increase muscle strength?
Muscle strength is most often increased through repeated use of the muscle or exercise. Muscle strength can also be increased with a combination of exercise and diet that includes protein.
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.
What are two body processes that would change in response to an increase in muscle activity?
That would be increased respiration and increased oxidation. .
Did the addition of the adrenaline solution increase or decrease the threshold in the heart muscle tissue?
It increased it
Stimulus at which the muscle first contracts perceptibly?
Threshold stimulus
What has happened in the muscle when the maximal stimulus is achieved?
Each of the individual muscle fibers in the muscle are contracted when the maximal stimulus is achieved. Dr. H.
