Research
Adherence
Resistance training does not reduce flexibility; this is a common myth.
You do not need to fear that lifting weights will make you stiff. Resistance training, when performed through a full range of motion, does not reduce flexibility and can be part of a balanced fitness routine.
GoodRefutesHIGH confidence
Clear majorities did not believe that RT would reduce flexibility (78.4%, n = 565)... [and] a majority selected the correct answer (p < 0.01)... myth: RT reduces flexibility
Why this rating
Based on 2 systematic reviews cited in the paper (Refs 50, 51) showing RT effects on flexibility.
Source
Knowledge of gym goers on myths and truths in resistance training
Alexandra Unger et al. · Scientific Reports · 2025
cross_sectional · n=721Cited 3×
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