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Explain what is meant by antagonistic muscles with examples
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Jun 19, 2020
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Explain what is meant by antagonistic muscles with examples
Biology
middle-school
Sukant Hajra
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Answer:
Step-by-step explanation:
A muscle that opposes the action of another...
Example : Hamstrings and quadriceps: your hamstrings bend your knee and your quadriceps straighten it.
Abhijeet Kasurde
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Jun 20, 2020
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Abhijeet Kasurde
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Answer:
Antagonist and agonist muscles often occur in pairs, called antagonistic pairs. As one muscle contracts, the other relaxes. An example of an antagonistic pair is the biceps and triceps; to contract, the triceps relaxes while the biceps contracts to lift the arm.
Defined:
Agonist muscles cause a movement to occur through their own activation. For example, the triceps brachii contracts, producing a shortening contraction, during the up phase of a push-up (elbow extension). During the down phase of a push-up, the same triceps brachii actively controls elbow flexion while producing a lengthening contraction. It is still the agonist, because while resisting gravity during relaxing, the triceps brachii continues to be the prime mover, or controller, of the joint action. Agonists are also interchangeably referred to as "prime movers," since they are the muscles considered primarily responsible for generating or controlling a specific movement.
Jeffery
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Jun 25, 2020
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Jeffery
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