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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 protein is involved with shortening of muscle cells to produce movement?
The protein primarily involved in the shortening of muscle cells to produce movement is actin, which interacts with myosin. During muscle contraction, myosin heads bind to actin filaments, pulling them closer together and resulting in the shortening of the muscle fiber. This interaction is regulated by calcium ions and ATP, enabling coordinated contraction and relaxation of muscles.
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.
In muscle contraction the thin actin filaments slide inward causing the shortening of?
In muscle contraction, the thin actin filaments slide inward over the thick myosin filaments, leading to the shortening of the sarcomere, which is the basic functional unit of muscle tissue. This sliding action is facilitated by the interaction between myosin heads and binding sites on the actin filaments, powered by ATP. As multiple sarcomeres contract simultaneously, the entire muscle fiber shortens, resulting in overall muscle contraction.
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!
