Research

Mixed

Low-load resistance training to failure (30% 1RM) can simultaneously increase both ribosome and mitochondrial biogenesis, challenging the strict competition paradigm.

If you cannot lift heavy due to injury or preference, lifting light weights (30% 1RM) to failure for 10 weeks, 3 times a week, can build muscle and mitochondria just as effectively as heavy lifting, provided you go to failure.

ModerateQualifiesMEDIUM confidence
The studies of Groeenebaek et al. and Sieljacks et al. cited previously found that low-load blood flow restricted resistance training increased both mitochondrial... and ribosome biogenesis... with no difference when compared to a high-load resistance training.
Paulo H. C. Mesquita et al. · Frontiers in Physiology · 2021

Why this rating

Based on specific studies cited, but the paper notes that direct measures of biogenesis are rare and indirect measures are often used.

Source

Skeletal Muscle Ribosome and Mitochondrial Biogenesis in Response to Different Exercise Training Modalities

Paulo H. C. Mesquita et al. · Frontiers in Physiology · 2021

DOI 10.3389/fphys.2021.725866

narrative_reviewCited 60×
Read the paper
DOI resolved against Crossref · corpus check 2026-06-10

This is one finding among thousands. Every one is graded and traced to its source, so you can see what the evidence actually supports. Browse the research →