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Constant contraction of a muscle is?
constant contraction of a muscle is called the muscle tone
What is a property of muscle whereby a steady or constant state of partial contraction is maintained in a muscle?
Muscle Tone
What are the differences between isometric, isotonic, and isokinetic exercises in terms of muscle contraction and movement?
Isometric exercises involve muscle contraction without movement, isotonic exercises involve muscle contraction with movement, and isokinetic exercises involve muscle contraction at a constant speed.
What is it called when a Muscle contracts against a constant movable object?
an isometric contraction iso=same metric=length therefore the muscle maintains the same length as it contracts
In an isotonic contraction the muscle?
shortens while maintaining constant tension.
Does muscle tension remain constant during isotonic contraction?
Yes.
What contraction that shortens the muscle but does not increase tension is called?
It is called concentric isotonic contraction.
What is The contraction of muscles for no obvious purpose called?
An involuntary muscle contraction is called a spasm.
What constant slight contraction on certain fibers in a muscle?
The constant slight contraction of certain fibers in a muscle is known as "tonus" or muscle tone. This state of partial contraction helps maintain posture and readiness for movement, providing stability to the body. Muscle tone is regulated by the nervous system and involves a balance between excitation and inhibition of motor neurons. It is essential for overall muscle function and coordination.
True or false When the contraction of a skeletal muscle is studied in the laboratory by applying an electrical charge to the muscle the contraction is called a muscle twitch.?
true
A maximal sustained muscle contraction is called a?
tetanic contraction.
What width remains constant during muscle contraction?
During muscle contraction, the width of the A band remains constant. The A band corresponds to the length of the thick filaments (myosin) and does not change in size during contraction. In contrast, the I band (which contains only thin filaments or actin) shortens as the muscle contracts. This consistent width of the A band reflects the sliding filament theory of muscle contraction, where the filaments slide past each other without changing their lengths.
