HMS, BM EQ-Bank 835 MC

In a bicep curl, which muscle pair represents the agonist and antagonist relationship?

Biceps brachii and brachialis
Biceps brachii and triceps brachii
Triceps brachii and deltoid
Deltoid and pectoralis major

Show Answers Only

\(B\)

Show Worked Solution

B is correct: Biceps (agonist) flexes the elbow while triceps (antagonist) relaxes.

Other Options:

A is incorrect: Both are elbow flexors (synergists), not antagonists
C is incorrect: Work on different joints and movements
D is incorrect: Both act on shoulder, not as antagonists