Antagonist Muscle: Definition & Examples


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question 1 of 3

You're bending your arm into an arm curl. What is the action of the bones (extension or flexion) and the biceps muscle (agonist or antagonist?)

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1. Which muscle performs the antagonist movement when you straighten your arm?

2. To perform a high kick, you must lift up your leg at the hip, also known as flexing the hip. Which two muscles perform hip flexion?

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About This Quiz & Worksheet

This quiz and corresponding worksheet allow you to quickly assess your knowledge of antagonist muscles. You will be quizzed on which muscles perform this movement when bending and straightening your arms and legs.

Quiz & Worksheet Goals

For this quiz, you can expect to answer questions about:

  • The words that describe the action of the bones and biceps muscle when you bend your arm
  • Which muscle is the antagonist muscle when your arm is straightened
  • The two muscles involved in hip flexion
  • Whether the uncurling of your fingers is an extension or flexion and why
  • Which muscle is the antagonist muscle in the lower leg when the leg is extended to kick a ball

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the lesson, such as which muscles are antagonist muscles when your arm is straightened and your leg is extended
  • Interpreting information - verify that you can read information about extension and flexion movements relating to the uncurling of your fingers and interpret it correctly
  • Information recall - access the knowledge you've gained regarding hip flexion

Additional Learning

More details about this topics are found in the lesson titled Antagonist Muscle: Definition & Examples. The lesson will cover:

  • Agonist muscles in the arm
  • Terms used to describe specific muscles in the legs
  • How muscles work together to perform movements in the leg