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shortens
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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.
How is the diaphragm suited to its job?
The diaphragm is a dome-shaped muscle located below the lungs that contracts and relaxes to help with breathing. When it contracts, it flattens out, creating a vacuum that allows air to be drawn into the lungs. This muscle plays a crucial role in the process of respiration by facilitating inhalation and exhalation.
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.
What is the difference between brachialis and brachioradialis?
The brachialis muscle is located deep to the biceps brachii and is the main flexor of the elbow joint. The brachioradialis muscle is a superficial muscle located on the lateral side of the forearm that aids in both elbow flexion and forearm supination.
What is the process called which involves the contraction of smooth muscle in the artery wall reducing the diameter of the lumen?
The process is called vasoconstriction. It is when the smooth muscle contracts in the artery wall, causing the lumen to become narrower, which can lead to an increase in blood pressure.
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.
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.
When one muscle contracts what happens to the opposing muscle?
When one muscle in a pair contracts the other expands.
When a muscle contracts it?
shortens
When the muscle contracts it is?
Flexion
When muscle contracts it is?
Flexion
Which muscles contracts when the leg is extended at the knee?
The muscle that contracts when the leg is extended at the knee is call the gastrocnemius muscle
What happens when the biceps muscle contracts?
When the bicep contracts the triceps relax
When the muscle contracts what happens to the tendon and bone?
When the muscle contracts, the tendon pulls on the bone to create movement. The tendon is the connective tissue that attaches the muscle to the bone, so when the muscle contracts, it exerts force on the tendon, which in turn moves the bone.
When one muscle contracts what dose the other muscle do?
Relaxes
