Multiple choice

When raising a spoon to your mouth, your elbow bends when __________?

  1. Contraction of the triceps

  2. Relaxation of the biceps

  3. Contraction of the biceps

  4. Relaxation of the triceps

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Bending the elbow (flexion) to raise a spoon is primarily caused by the contraction of the biceps muscle, which acts as the agonist. Simultaneously, the triceps muscle relaxes to allow this movement to occur.