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What is the tension of muscle fibers called?
The tension of muscle fibers is called muscle tension. It refers to the force generated by a muscle when it contracts. Muscle tension is necessary for movement, posture, and stabilization of the body.
What is the difference between passive and active tension in muscle contraction?
Passive tension is the force exerted on a muscle when it is stretched, while active tension is the force generated by the muscle when it contracts.
What happens when a muscle contracts?
when the muscle shortens (contracts), the two bones come closer together, isometric contraction excepted.
If a muscle contracts and its fibers shorten is the contraction isometric?
No! It is isotonic. But if the muscle contracts and the fibers do not shorten because the load is greater than the force applied to it, it is isometric.
What smooth muscle contracts produce when an artery or arteriole is damaged?
a vascular spasm
What happens when a muscle contracts?
When a muscle contracts, it shortens in length, causing movement of the body part it is attached to. This contraction is triggered by signals from the nervous system, which stimulate the muscle fibers to slide past each other, generating force and tension.
Does the diaphragm produce hormones?
No the diaphragm does not produce hormones. All the diaphragm is is a muscle that expands and contracts to inflate and deflate your lungs.
What is an example of and internal force?
An example of an internal force is the tension created within a muscle when it contracts to move a body part.
When a muscle relaxes it becomes?
Muscle fiber generates tension through the action of actin and myosin cross-bridge cycling. While under tension, the muscle may lengthen, shorten or remain the same. Although the term 'contraction' implies shortening, when referring to the muscular system, it means muscle fibers generating tension with the help of motor neurons
Is concentric isotonic contraction is defined as tension developing in the muscle as it shorten?
That is correct, the muscle shortens as it contracts. E.g. A bicep curl, the bicep muscle as you lift the wight up is Isotonic contraction. :)
When a muscle contracts?
shortens
What does a muscle become when it contracts?
A muscle becomes shorter when it contracts.
