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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.?
true
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?
falso my friendo
Contraction of the ciliary muscle causes the lens to bend the light less?
false
Vasodilation is a widening of the lumen due to smooth muscle contraction.?
Yes
Is it true or false that during isometric contraction the energy used appears as movement?
False. During isometric contraction, there is no visible movement because the muscle is generating force without changing in length. The energy used in isometric contraction is primarily used to maintain muscle tension and stability.
True or false a disturbance of posture muscle tremors at rest and uncontrolled muscle contraction are all symptoms of damage to the basal nuclei?
True
An example of eccentric muscle contraction is?
an efficient core routine consists of training in a single plane of motion-true or false
Aspirin strengthens the contraction of the heart muscle slows the heart rate and helps eliminate fluid from body tissues?
False
During isometric contraction the energy used appears as movement?
During isometric contraction, no movement occurs, as the muscle is generating force without changing in length. The energy used is still expended by the muscle, but it is not converted into movement. Instead, the energy is dissipated as heat within the muscle tissue.
Can muscle cells extend?
only contract, never extend. if it looks like it is extending, that's just another muscles contraction.
