What is the primary action of the triceps brachii muscle?

Practice Questions

Q1
What is the primary action of the triceps brachii muscle?
  1. Flexion of the elbow
  2. Extension of the elbow
  3. Abduction of the shoulder
  4. Adduction of the shoulder

Questions & Step-by-Step Solutions

What is the primary action of the triceps brachii muscle?
  • Step 1: Identify the muscle in question, which is the triceps brachii.
  • Step 2: Understand where the triceps brachii is located; it is on the back of the upper arm.
  • Step 3: Learn what the triceps brachii does; it helps in moving the arm.
  • Step 4: Focus on the main action of the triceps brachii, which is to extend the elbow.
  • Step 5: Remember that extending the elbow means straightening the arm.
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