Energy balance
Short-term energy deficit (5 days) reduces resting myofibrillar protein synthesis by 27%, but this reduction is fully rescued to energy-balance levels by a single bout of resistance exercise.
If you are cutting calories to lose fat, do not skip resistance training. A single session of heavy resistance exercise will restore your muscle's ability to build protein to normal levels, protecting your muscle mass despite the low energy intake.
Postabsorptive rates of MPS were 27% lower in ED than EB (P < 0.001), but REX stimulated MPS to rates equal to EB.
Why this rating
Randomized controlled trial with rigorous tracer methodology, though small sample size (n=15).
Source
Reduced resting skeletal muscle protein synthesis is rescued by resistance exercise and protein ingestion following short-term energy deficit
José L. Areta et al. · American Journal of Physiology-Endocrinology and Metabolism · 2014
DOI 10.1152/ajpendo.00590.2013
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