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Q: A muscle contraction means the muscle lengthens as it relaxes true or false?
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A contraction in which the muscle does not shorten but its tension increase is called isometric.true or false?

True Tension may build to the muscles peak tension capacity, but the muscle neither shortens or lengthens example. trying to lift a car


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.?

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True or false spasmodic contraction of the trapezius is known as hiccup?

False. The correct muscle is the diaphragm.


Is it true or false that all of the muscle fibers involved in a muscle contraction are performing individual muscle twitches?

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Contraction of the ciliary muscle causes the lens to bend the light less?

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Vasodilation is a widening of the lumen due to smooth muscle contraction.?

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True or false a disturbance of posture muscle tremors at rest and uncontrolled muscle contraction are all symptoms of damage to the basal nuclei?

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Aspirin strengthens the contraction of the heart muscle slows the heart rate and helps eliminate fluid from body tissues?

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An example of eccentric muscle contraction is?

an efficient core routine consists of training in a single plane of motion-true or false


When nerve impulses pass to the diaphragm the diaphragm relaxes and exhalation occurs is this true or false?

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Can muscle cells extend?

only contract, never extend. if it looks like it is extending, that's just another muscles contraction.


Which generalization concerning movement by skeletal muscles is not true?

During contraction the two articulating bones move equally