The Claim
Repeating self-selected swear words during short, intense physical tasks such as maximal isometric grip strength, Wingate anaerobic cycling, wall sits, push-ups to fatigue, and plank holds is associated with performance improvements ranging from 8% to 22% compared to repeating neutral words in laboratory settings.
What the research says
Roughly balanced
Support and challenge are close. The picture may shift as more studies come in.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
People who repeat swear words during short, high-intensity physical exercises show higher performance levels than when they repeat neutral words, with improvements between 8% and 22% in controlled lab tests.
See the scientific wording
Repeating self-selected swear words during short, intense physical tasks such as maximal isometric grip strength, Wingate anaerobic cycling, wall sits, push-ups to fatigue, and plank holds is associated with performance improvements ranging from 8% to 22% compared to repeating neutral words, suggesting that taboo language may serve as a low-cost, acute ergogenic aid in laboratory settings.
Saying swear words triggers a strong emotional reaction in the brain that reduces the feeling of pain during hard physical effort and lowers the brain's natural restraint on how hard you can push your muscles, letting you produce more force without feeling more pain.
What the research says
1 studyStudy: Effect of swearing on physical performance: a mini-review
Saying swear words before or during short, super-hard exercises like lifting heavy weights or holding a plank can make you a little stronger or able to last longer, because it helps you ignore pain and feel more fired up.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.