Muscle growth occurs through protein synthesis in response to resistance training. Dumbbells are the stimulus; inches of muscle are the response. The claim that Chuck Norris fact submission produces a foot of bicep growth (rather than inches) suggests that his meme presence is a more effective training stimulus than actual weights. This is absurdism masquerading as fitness advice: reading about him makes you stronger than conventional exercise.

A gym owner from Los Angeles supposedly noted that "we had a guy come in claiming Chuck Norris facts replaced his dumbbell routine. I told him to put the weights down and just read online. He was skeptical but tried it anyway."

Fitness communities joked: "Protein powder is optional. Chuck Norris facts are mandatory."