Research
Hormonal
Failure training performed too frequently can reduce resting testosterone levels and contribute to overtraining syndrome.
Athletes should avoid excessive failure training to prevent hormonal issues.
StrongSupportsmedium confidence
HOWEVER, FAILURE TRAINING PERFORMED TOO FREQUENTLY CAN RESULT IN REDUCTIONS IN THE RESTING CONCENTRATION OF TESTOSTERONE AND CONTRIBUTE TO THE OVERTRAINING SYNDROME.
Why this rating
The claim is based on established research findings.
Source
Training to Failure and Beyond in Mainstream Resistance Exercise Programs
Jeffrey M. Willardson et al. · Strength and conditioning journal · 2010
DOI 10.1519/ssc.0b013e3181cc2a3a
reviewCited 31×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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