The phrase "no pain, no gain" is often considered an exercise myth for the following reason:
A. Pain is your body's way of saying something is wrong.
This option emphasizes that experiencing pain during exercise can be a sign of injury or that the body is being pushed beyond its safe limits. Effective exercise can lead to gains in strength, endurance, and overall fitness without necessarily having to endure pain. It's important to differentiate between the discomfort that comes from pushing your limits and actual pain, which indicates a potential problem.