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it contracts while the other one relaxes

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12y ago

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What does the 'extensor muscle' do?

Extensor muscles open a joint and are the opposite to flexor muscles, which close it. I imagine triceps are extensor, while biceps are flexor.


What is the difference between flexor and extensor?

Extensor muscles help to straighten or extend the joint while flexors do the opposite, bending it.


Is tricepes flexor?

Triceps muscle is not a flexor. Triceps is an extensor of elbow joint. Biceps muscle is flexor.


Do skeletal muscles work in paires?

All skeletal muscles will have a flexor and an extensor. The flexor bends the joint. The extensor straightens it out again.


Do most skeletal muscles work in antagonistic pairs?

Yes. Skeletal muscles will have a flexor and an extensor. The flexor bends the joint. The extensor straightens it out again.


Is a quadricep tendon a flexor or extensor tendon?

Dorsi flexion and eversion are its main actions. I just can't justify this your question.


What are extensors?

Extensor muscles open a joint and are the opposite to flexor muscles, which close it. I imagine triceps are extensor, while biceps are flexor.


How does a chicken move its wings?

The flexor bends the joint, and since the flexor cannot lengthen by itself to push the bone back to straighten the joint, the extensor pulls the bone in the opposite direction. Tendons attach muscles to bones and helps the chicken move its wing.


Is the knuckle a immovable joint?

Flexor and extensor tendons connected to skeletal muscleRead more: What_moves_your_joints


Does a flexor muscle open a joint?

No the flexor closes the joint.


Do the triceps flex or extend the forearm?

extensorThe triceps brachii is an extensor. It is the large muscle on the back of the arm and is primarily the muscle used for extension of the elbow joint or straightening of the arm. The triceps is also an antagonist of the biceps and the brachialis muscles.ExtensorsTriceps is not a flexor. It is extensor of the elbow joint.


How do the flexor and extensor muscles work together in the body?

When bones attached to a muscle are connected by a flexible joint, contraction of the muscle moves the skeleton. The muscle is called a flexor if the centers of the connected bones are brought closer together when the muscle contracts, and the movement is called flexion. (Biceps)The muscle is called an extensor if the bones move away from each other when the muscle contracts, and the movement is called extension. (Triceps)