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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
What else can I help you with?
A muscle becomes longer and thinner when it?
relaxes
Which muscle relaxes when arm is strightened?
The bicep muscle. The tricep contracts to straighten the arm as the bicep relaxes.
When one muscle contracts what dose the other muscle do?
Relaxes
As one muscle in a pair relaxes what does the otyher muscle do?
contract
What is the type of muscle that squeezes and relaxes without stopping?
the smooth muscle
In a muscle group the muscle that relaxes during a particular action is what?
gdg
What muscle relaxes and what muscle works?
I think what your after is called an antagonistic pair of muscles, for example the bicep and the tricep. When the bicep is contracting the tricep relaxes and when the tricep is contracting the bicep relaxes.
What is the name given to a muscle that relaxes?
antagonist.
What does the other muscle do when one relaxes?
It Contracts
When one muscle contracts what do the opposite do?
It relaxes
When a muscle contracts how does its form change?
A muscle that contracts shortens whereas a muscle that relaxes lengthens.
A muscle contraction means the muscle lengthens as it relaxes true or false?
false
