effective reps

Do you have to grind to failure to keep your strength as you age? Short answer, no. We get into the effective-reps idea, why force output is the real metric for strength, and when failure actually earns its cost. Resources Barbell Medicine coaching and templates: https://www.barbellmedicine.com https://www.barbellmedicine.com/shop/subscriptions/plus-podcast-subscription/ https://www.barbellmedicine.com/shop/subscriptions/barbell-medicine-premium/ Signal book pre-order: https://www.barbellmedicine.com/shop/learning/signal/ Enhanced Games results, AP News, 25 May 2026. https://apnews.com/article/enhanced-games-kerley-doping-ee1ad0ff82d30b3ff38728a35198fc83 Bhasin S, et al. Supraphysiologic testosterone and muscle size and strength. N Engl J Med. 1996. https://pubmed.ncbi.nlm.nih.gov/8637535/ Warrier AA, et al. Performance-enhancing drugs in healthy athletes: an umbrella review. Sports Health. 2024. https://pubmed.ncbi.nlm.nih.gov/37688400/ ACSM. Resistance Training Prescription... An Overview of Reviews. Med Sci Sports Exerc. 2026. https://acsm.org/resistance-training-guidelines-update-2026/ Morton RW, et al. Neither load nor systemic hormones determine RT hypertrophy or strength in trained men. J Appl Physiol. 2016. https://pubmed.ncbi.nlm.nih.gov/27174923/ Vieira AF, et al. Failure vs not to failure for strength, hypertrophy, power: meta-analysis. J Strength Cond Res. 2021. https://pubmed.ncbi.nlm.nih.gov/33555822/ Refalo MC, et al. Proximity-to-failure and hypertrophy: meta-analysis. Sports Med. 2023. https://doi.org/10.1007/s40279-022-01784-y Borde R, et al. Dose-response of resistance training in healthy old adults: meta-analysis. Sports Med. 2015. https://pubmed.ncbi.nlm.nih.gov/26420238/ Cadore EL, et al. Sets to failure vs not in elderly men: randomized trial. Exp Gerontol. 2018. https://pubmed.ncbi.nlm.nih.gov/29577974/ Helms ER, et al. Small vs large energy surplus in resistance-trained individuals. Sports Med Open. 2023. https://link.springer.com/article/10.1186/s40798-023-00651-y Longland TM, et al. Higher protein during energy deficit with intense exercise. Am J Clin Nutr. 2016. https://pubmed.ncbi.nlm.nih.gov/26817506/ STEP 1 body-composition substudy (semaglutide). J Endocr Soc. 2021. https://academic.oup.com/jes/article/5/Supplement_1/A16/6240360 SURMOUNT-1 body-composition substudy (tirzepatide). Diabetes Obes Metab. 2025. https://dom-pubs.onlinelibrary.wiley.com/doi/10.1111/dom.16275 Forbes SC, et al. Creatine and resistance training on lean tissue and strength in older adults: meta-analysis. Nutrients. 2021. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8229907/ Ding P, et al. GLP-1 receptor agonists and risk of paralytic ileus: Mendelian randomization. medRxiv 2024 (preprint, not peer reviewed). https://doi.org/10.1101/2024.10.17.24315627 Pelland JC, et al. Resistance training dose response: volume and frequency meta-regressions. Sports Med. 2026. https://pubmed.ncbi.nlm.nih.gov/41343037/ Schoenfeld BJ. Mechanisms of muscle hypertrophy. J Strength Cond Res. 2010. https://pubmed.ncbi.nlm.nih.gov/20847704/ Nuell S, et al. Hamstring muscle volume and sprint performance. J Strength Cond Res. 2021. https://pubmed.ncbi.nlm.nih.gov/33555833/ Sanchis-Moysi J, et al. Muscle hypertrophy in prepubescent tennis players (MRI). PLoS One. 2012. https://pubmed.ncbi.nlm.nih.gov/22428074/ Wang R, et al. Variable-resistance vs constant-resistance training and maximum strength: meta-analysis. IJERPH. 2022. https://pmc.ncbi.nlm.nih.gov/articles/PMC9317775/ Retraction notice, Soria-Gila MA, et al. Variable resistance training on maximal strength. J Strength Cond Res. 2018. https://pubmed.ncbi.nlm.nih.gov/30540286/ Haugen ME, et al. Free-weight vs machine-based training: meta-analysis. BMC Sports Sci Med Rehabil. 2023. https://pubmed.ncbi.nlm.nih.gov/37582807/ Aune D, et al. Fruit and vegetable intake and mortality: dose-response meta-analysis. Int J Epidemiol. 2017. https://doi.org/10.1093/ije/dyw319 Ding EL, et al. SHBG and risk of type 2 diabetes. N Engl J Med. 2009. https://www.nejm.org/doi/full/10.1056/NEJMoa0804381 Vermeulen A, et al. Estimation of free testosterone in serum. J Clin Endocrinol Metab. 1999. https://academic.oup.com/jcem/article/84/10/3666/2660660 Bhasin S, et al. Testosterone therapy in men with hypogonadism: Endocrine Society guideline. J Clin Endocrinol Metab. 2018. https://academic.oup.com/jcem/article/103/5/1715/4939465 Coleman KJ, et al. Initial validation of an exercise vital sign in EMRs. Med Sci Sports Exerc. 2012. https://pubmed.ncbi.nlm.nih.gov/22688832/ Sallis JF, et al. Physical activity assessment, prescription and referral in US healthcare (It's Time to Move). Prog Cardiovasc Dis. 2021. https://pubmed.ncbi.nlm.nih.gov/33383058/

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