Which of the following muscles straightens an arm or leg?
A) Abductor muscle
B) Adductor muscle
C) Extensor muscle
D) Flexor muscle

Question

Quizplus · Accepted Answer

The extensor muscle is responsible for straightening an arm or leg, while the flexor muscle is responsible for bending it. The abductor muscle moves a limb away from the body, while the adductor muscle moves it towards the body. Therefore, C is the best choice as it is the only muscle listed that straightens a limb.

Which of the Following Muscles Straightens an Arm or Leg