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What does contraction mean in medical terms?
contract or "contraction" is when a muscle fiber lengthens or shortens
What do you call a shortening of muscle fiber?
contraction
What is another word for shortening of a muscle?
contraction
What word a noun is used to describe muscle shortening with stimulation?
The noun for muscle shortening is called contraction.
What is the medical term meaning shortening or tightening of a muscle?
Contraction is the medical term meaning the normal shortening or tightening of a muscle.
What is shortening of a muscle fiber called?
a contraction human avatommy
Which type of muscle tissue specializes in contraction or shortening?
striated
What is muscle contraction without muscle shortening is what kind of contraction?
Isometric contraction. This type of contraction occurs when the muscle generates tension without changing its length, such as when holding a weight in a fixed position.
When does shortening of a myofibril occur?
Shortening of a myofibril occurs during the contraction of a muscle, specifically during the process of excitation-contraction coupling. When a muscle fiber is stimulated by a motor neuron, calcium ions are released, leading to the interaction between actin and myosin filaments. This interaction causes the myosin heads to pull the actin filaments toward the center of the sarcomere, resulting in the shortening of the myofibril and, consequently, muscle contraction. This process is essential for all voluntary and involuntary movements in the body.
What muscle contraction occurs in the biceps brachii during the upward phase of the bicep curl?
a concentric contraction- a concentric contraction involves the muscle length, shortening during a contraction! YA-trick-YA!
Can skeletal muscle contract without shortening?
Yes. One possibility is that the load on the muscle exceeds the tension produced by the muscle so that the muscle actually lengthens during contraction (eccentric contraction).
How do cross bridge power stroke bring about shortening of muscle contraction in human?
During muscle contraction, the cross-bridge power stroke occurs when myosin heads bind to actin filaments and then pivot or "power stroke," pulling the actin filaments towards the center of the sarcomere. This action causes the muscle fibers to shorten, resulting in overall muscle contraction.
