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Lifting weights makes women bulky is a common myth that has persisted for years. This notion is based on a misunderstanding of how muscle hypertrophy works and the role of hormones in muscle development. Women's hormone levels, particularly testosterone, are significantly lower than men's, which makes it much harder for women to gain muscle mass to the extent of becoming "bulky."

In reality, resistance training is an effective way for women to improve their strength, bone density, and overall fitness without drastically increasing muscle size. Instead of becoming bulky, women who engage in regular weight training may develop a more toned appearance. This myth can discourage women from engaging in beneficial strength training activities, impacting their fitness and health goals.

The other options reflect misunderstandings or exaggerations regarding resistance training but do not resonate as widely or negatively as the belief that it leads to excessive bulk in women.