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What is the muscle the performs the largest quantity of work?
what is the largst muscle in the muscular system
What muscle causes a joint to straighten when it contracts?
The muscle that causes a joint to straighten when it contracts are the extensor muscles. These include the triceps that work with the biceps to extend the arm.
Muscle contracts to move?
the muscles and the bone work together and attached
What does a muscle become when it contracts?
A muscle becomes shorter when it contracts.
What happens to the length of a muscle when it contracts?
When a muscle contracts, it shortens in length.
When a muscle contracts how does its form change?
A muscle that contracts shortens whereas a muscle that relaxes lengthens.
What movement occurs when the subscapularis contracts concentrically?
When the subscapularis muscle contracts concentrically, it performs internal rotation of the shoulder joint. This movement involves rotating the arm inward toward the midline of the body.
What does it mean for muscles to work opposing pairs?
the answer is when one muscle contracts the other relaxes
When a muscle contracts, it pulls with what force?
When a muscle contracts, it pulls with a force generated by the muscle fibers contracting and shortening.
How does the heart work simple?
the heart is a muscle that expands and contracts or pumps blood throughout the body.
What are antagonistic?
they are pairs of muscle that work together alternating. they need each other because no muscle can stretch a so the other mucle contracts.
When one muscle contracts what happens to the opposing muscle?
When one muscle in a pair contracts the other expands.
