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What determines the strength of a muscle in response to different levels of stimulation?
the best way to think of this is using complete common sense or else you can cloud a simple concept and make it seem very difficult.
If you have a muscle fiber that if already as short as it can be, then when it contracts, the actin and myosin filaments will run out of room to contract farther and therefore you will have a very weak contraction.
If on the other hand your muscle fiber is stretched a lot before the contraction, you will have pulled the actin and myosin filaments apart, so that they no longer overlap. agin, this will produce a very weak contraction.
But, if your filaments are overlapped appropriately, then you have plenty of room for the fibers to shorten, and you get a good contraction.
The power of the contraction curve is a bell curve where you stark at zero power (at the shortest) then it peaks and drops again as the filaments are pulled too far apart.
The situation becomes more complicated when you add the effects of passive stretch, but that was not the original question, so I'll leave it at that.
What else can I help you with?
What is a graded muscle response?
It is the variation of stimulation needed in skeletal muscle contraction in order to have controlled movement.
Are hormones from the adrenal medulla released in response to vagal stimulation?
No, hormones from the adrenal medulla are released in response to sympathetic stimulation, not vagal stimulation. The adrenal medulla is innervated by sympathetic preganglionic neurons which release acetylcholine, activating the release of epinephrine and norepinephrine from the adrenal medulla.
What determines the strength of a gravitional pull?
the density of the object that gravity is working upon determines it.
What determines the strength of a hurricane?
wind speed
Gradual reduction of strength of a response due to repetitive stimulation?
This phenomenon is known as habituation. It occurs when repeated exposure to a stimulus leads to a decreased response over time. Habituation helps organisms filter out non-threatening or irrelevant stimuli to focus on more important information.
How does the process of shocking muscles with electricity affect the body's response to physical activity?
When muscles are shocked with electricity, it can help improve muscle strength and endurance. This process, known as electrical muscle stimulation, can enhance the body's response to physical activity by increasing muscle contractions and promoting muscle growth.
What determines magnitude strength in Pokemon platinum?
his or her level and exp.
What does strength in numbers do in warhammer?
It determines how hard you hit in melee.
What are materials composed?
Materials are composed of atoms or molecules that are arranged in a specific structure. This arrangement determines the properties of the material, such as its strength, conductivity, and appearance. Different types of materials have different structures and properties.
Stimulation of which would cause an increase in heart rate and contraction strength?
beta 1 receptors
The minimal strength of stimulation needed to elicit a muscle contraction is called the threshold stimulus?
true
Do Hormones bind to receptor proteins with high capacity and low affinity?
Hormones do not bind to receptors with high capacity. The major defining properties of a hormone-receptor interaction, and what determines the strength of response is binding affinity and efficacy.
