Lesson eLearning

Which of the following muscles is NOT involved in flexing the elbow joint?

easy MCQ 1 mark Class 6 · Science · Body Movements
  1. Biceps brachii
  2. Triceps brachii
  3. Brachialis
  4. Pronator teres
Answer
Triceps brachii

The correct answer is Triceps brachii — Conclude that triceps brachii does not flex the elbow.

Step-by-step solution

  1. Recall that elbow flexion is performed by muscles that shorten the forearm toward the upper arm.
  2. Identify flexors: biceps brachii, brachialis, pronator teres.
  3. Note that triceps brachii is the main extensor of the elbow.
  4. Conclude that triceps brachii does not flex the elbow.
Common mistake: Thinking triceps is a flexor

Concept tested: Elbow flexion muscles

Published · How this solution was prepared and checked

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