Energy balance
Higher volume exercise (longer duration, more frequency, longer total weeks) is associated with greater reductions in cancer-related fatigue, while intensity alone does not show a significant dose-response relationship.
To combat fatigue, focus on the total amount of exercise rather than how hard you work. Aim for longer total durations (e.g., 40+ minutes per session), more frequent sessions (e.g., 3x/week), and longer overall programs (e.g., 28+ weeks). You do not need to exercise at high intensities (near max heart rate) to see benefits; moderate intensity is sufficient if the volume is high.
Meta-regression analysis revealed that exercise volume parameters are closely related with the effect estimates on CRF... No significant dose–response interaction was observed for training intensity (P > 0.05).
Why this rating
Meta-regression of 9 studies; high heterogeneity noted.
Source
Effects of supervised exercise on cancer-related fatigue in breast cancer survivors: a systematic review and meta-analysis
José F. Meneses-Echávez et al. · BMC Cancer · 2015
DOI 10.1186/s12885-015-1069-4
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