I'm discussing the truth about "Lifting Heavy" in group fitness. Sources (Research Show Notes) Schoenfeld BJ et al. (2016). Longer Interset Rest Periods Enhance Muscle Strength and Hypertrophy in Resistance-Trained Men . J Strength Cond Res, 30 (7):1805-12. PMID: 26605807 pubmed.ncbi.nlm.nih.gov Grgic J et al. (2017). The effects of short versus long inter-set rest intervals on measures of muscle hypertrophy: A systematic review . Eur J Sport Sci, 17 (8): 983-993. PMID: 28641044 pubmed.ncbi.nlm.nih.gov McKendry J et al. (2016). Short inter-set rest blunts resistance exercise-induced increases in myofibrillar protein synthesis in young males . Exp Physiol, 101 (7): 866-82. PMID: 27126459 pubmed.ncbi.nlm.nih.gov pubmed.ncbi.nlm.nih.gov Schoenfeld BJ. (2010). The mechanisms of muscle hypertrophy and their application to resistance training . J Strength Cond Res, 24 (10): 2857-2875. journals.lww.com “Give it a rest” Meta-analysis (Singer et al. 2024). Inter-set Rest Interval Duration and Muscle Hypertrophy: A Bayesian Meta-Analysis . Frontiers in Sports and Active Living . DOI: 10.3389/fspor.2024.1429789 frontiersin.org Topics: (00:08) - Are strength training classes worth doing? (06:14) - This is the problem with "lift heavy" (13:01) - Why does rest period matter? (36:32) - It's not just about aesthetics (41:17) - Hearing this in the spirit I intended