Question

D. Which one of the following is NOT
antagonistic muscle pair?
a. Flexo-extensor
b. Adductor-abductor
c. Levator-depressor
d. Sphinetro-suprinater​

Answer 1

Sphinetro-suprinater is NOT antagonistic muscle pairs.

Option D

Explanation:

• Muscles always function in pairs and generate opposite actions.

• Muscles work in pair for bone movement.

• In antagonistic muscle pairs, one muscle contracts and another relaxes.

• In this pairs, one muscle will be stronger than the next one.

• The muscle that contracts is called as agonist and the other one which relaxes is called antagonist.  

• Flexor and Extensor, Adductor and Abductor, Pronator and Supinator, Levator and Depressor, Sphincters are some examples of important antagonist muscle pairs.

Learn more about

What are antagonistic muscle give one example.

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Answer 2

Answer:

sphinetro-suprinator

Explanation:

Other all three are the antagonistic muscle pairs.