Episode 149: Strength, Hypertrophy and Training Research Update from the REC Conference by Discover Strength 2022

Overview of the REC Conference (Speakers are named in the audio)Long-term effects of strength training: research and findingsGood to Go: What the Athlete in All of Us Can Learn from the Strange Science of Recovery by Christine AschwandenRecovery as a businessDoes more recovery work = the ability to train more?Top recovery methodsHow to use social mediaYour brand as a businessTime-efficient strategies for trainingMulti-joint vs. single-joint exercises of hypertrophyThe minimum effective dose for increases in strengthProtein around a workout and how beneficial is supplementing proteinTraining to failure and hypertrophy gainsHormone hypothesisThe role of effort with supervision in resistance training: failure vs. non-failureReview on variations of exerciseMentioned article: Does Lifting Boost Testosterone – at T-NationThe Flex Diet Podcast is brought to you by the Flex Diet Certification. Go to https://flexdiet.com/ for 8 interventions on nutrition and recovery. The course will open again in June 2022.Speaker InformationDr James FisherDr Brad Broenfeld (Schoenfeld)Dr Stu PhillipsDr James SteeleAndrew CoatesKristin Rowell Luke CarlsonDiscover Strength Dr PakChristie AschwandenSelected ReferencesAndroulakis-Korakakis, P., Michalopoulos, N., Fisher, J. P., Keogh, J., Loenneke, J. P., Helms, E., . . . Steele, J. (2021). The Minimum Effective Training Dose Required for 1RM Strength in Powerlifters. Front Sports Act Living, 3, 713655. doi:10.3389/fspor.2021.713655Angleri, V., Damas, F., Phillips, S. M., Selistre-de-Araujo, H. S., Cornachione, A. S., Stotzer, U. S., . . . Libardi, C. A. (2022). Resistance training variable manipulations are less relevant than intrinsic biology in affecting muscle fiber hypertrophy. Scand J Med Sci Sports, 32(5), 821-832. doi:10.1111/sms.14134Barbalho, M., Coswig, V. S., Steele, J., Fisher, J. P., Giessing, J., & Gentil, P. (2020). Evidence of a Ceiling Effect for Training Volume in Muscle Hypertrophy and Strength in Trained Men - Less is More? Int J Sports Physiol Perform, 15(2), 268-277. doi:10.1123/ijspp.2018-0914Behm, D. G., Alizadeh, S., Hadjizedah Anvar, S., Hanlon, C., Ramsay, E., Mahmoud, M. M. I., . . . Steele, J. (2021). Non-local Muscle Fatigue Effects on Muscle Strength, Power, and Endurance in Healthy Individuals: A Systematic Review with Meta-analysis. Sports Med, 51(9), 1893-1907. doi:10.1007/s40279-021-01456-3Burd, N. A., Mitchell, C. J., Churchward-Venne, T. A., & Phillips, S. M. (2012). Bigger weights may not beget bigger muscles: evidence from acute muscle protein synthetic responses after resistance exercise. Appl Physiol Nutr Metab, 37(3), 551-554. doi:10.1139/h2012-022Burd, N. A., Moore, D. R., Mitchell, C. J., & Phillips, S. M. (2013). Big claims for big weights but with little evidence. Eur J Appl Physiol, 113(1), 267-268. doi:10.1007/s00421-012-2527-1Burd, N. A., West, D. W., Staples, A. W., Atherton, P. J., Baker, J. M., Moore, D. R., . . . Phillips, S. M. (2010). Low-load high volume resistance exercise stimulates muscle protein synthesis more than high-load low volume resistance exercise in young men. PLoS One, 5(8), e12033. doi:10.1371/journal.pone.0012033Carlson, L., Gschneidner, D., Steele, J., & Fisher, J. P. (2022). Short-term supervised virtual training maintains intensity of effort and represents an efficacious alternative to traditional studio-based, supervised strength training. Physiol Behav, 249, 113748. doi:10.1016/j.physbeh.2022.113748Farrow, J., Steele, J., Behm, D. G., Skivington, M., & Fisher, J. P. (2021). Lighter-Load Exercise Produces Greater Acute- and Prolonged-Fatigue in Exercised and Non-Exercised Limbs. Res Q Exerc Sport, 92(3), 369-379. doi:10.1080/02701367.2020.1734521Gomes, G. K., Franco, C. M., Nunes, P. R. P., & Orsatti, F. L. (2019). High-Frequency Resistance Training Is Not More Effective Than Low-Frequency Resistance Training in Increasing Muscle Mass and Strength in Well-Trained Men. J Strength Cond Res, 33 Suppl 1, S130-S139. doi:10.1519/JSC.0000000000002559Grgic, J., Lazinica, B., Mikulic, P., Krieger, J. W., & Schoenfeld, B. J. (2017). The effects of short versus long inter-set rest intervals in resistance training on measures of muscle hypertrophy: A systematic review. Eur J Sport Sci, 17(8), 983-993. doi:10.1080/17461391.2017.1340524Grgic, J., Schoenfeld, B. J., Davies, T. B., Lazinica, B., Krieger, J. W., & Pedisic, Z. (2018). Effect of Resistance Training Frequency on Gains in Muscular Strength: A Systematic Review and Meta-Analysis. Sports Med, 48(5), 1207-1220. doi:10.1007/s40279-018-0872-xHenselmans, M., & Schoenfeld, B. J. (2014). The effect of inter-set rest intervals on resistance exercise-induced muscle hypertrophy. Sports Med, 44(12), 1635-1643. doi:10.1007/s40279-014-0228-0Iversen, V. M., Norum, M., Schoenfeld, B. J., & Fimland, M. S. (2021). No Time to Lift? Designing Time-Efficient Training Programs for Strength and Hypertrophy: A Narrative Review. Sports Med, 51(10), 2079-2095. doi:10.1007/s40279-021-01490-1Lim, C., Nunes, E. A., Currier, B. S., McLeod, J. C., Thomas, A. C. Q., & Phillips, S. M. (2022). An Evidence-based Narrative Review of Mechanisms of Resistance Exercise-induced Human Skeletal Muscle Hypertrophy. Med Sci Sports Exerc. doi:10.1249/MSS.0000000000002929McKendry, J., Stokes, T., McLeod, J. C., & Phillips, S. M. (2021). Resistance Exercise, Aging, Disuse, and Muscle Protein Metabolism. Compr Physiol, 11(3), 2249-2278. doi:10.1002/cphy.c200029Mitchell, C. J., Churchward-Venne, T. A., West, D. W., Burd, N. A., Breen, L., Baker, S. K., & Phillips, S. M. (2012). Resistance exercise load does not determine training-mediated hypertrophic gains in young men. J Appl Physiol (1985), 113(1), 71-77. doi:10.1152/japplphysiol.00307.2012Morton, R. W., Oikawa, S. Y., Wavell, C. G., Mazara, N., McGlory, C., Quadrilatero, J., . . . Phillips, S. M. (2016). Neither load nor systemic hormones determine resistance training-mediated hypertrophy or strength gains in resistance-trained young men. J Appl Physiol (1985), 121(1), 129-138. doi:10.1152/japplphysiol.00154.2016Morton, R. W., Sonne, M. W., Farias Zuniga, A., Mohammad, I. Y. Z., Jones, A., McGlory, C., . . . Phillips, S. M. (2019). Muscle fibre activation is unaffected by load and repetition duration when resistance exercise is performed to task failure. J Physiol, 597(17), 4601-4613. doi:10.1113/JP278056Nunes, E. A., Colenso-Semple, L., McKellar, S. R., Yau, T., Ali, M. U., Fitzpatrick-Lewis, D., . . . Phillips, S. M. (2022). Systematic review and meta-analysis of protein intake to support muscle mass and function in healthy adults. J Cachexia Sarcopenia Muscle, 13(2), 795-810. doi:10.1002/jcsm.12922Nunes, J. P., Schoenfeld, B. J., Nakamura, M., Ribeiro, A. S., Cunha, P. M., & Cyrino, E. S. (2020). Does stretch training induce muscle hypertrophy in humans? A review of the literature. Clin Physiol Funct Imaging, 40(3), 148-156. doi:10.1111/cpf.12622Phillips, S. M. (2014). A brief review of critical processes in exercise-induced muscular hypertrophy. Sports Med, 44 Suppl 1, S71-77. doi:10.1007/s40279-014-0152-3Phillips, S. M., & Van Loon, L. J. (2011). Dietary protein for athletes: from requirements to optimum adaptation. J Sports Sci, 29 Suppl 1, S29-38. doi:10.1080/02640414.2011.619204Santos, W., Vieira, C. A., Bottaro, M., Nunes, V. A., Ramirez-Campillo, R., Steele, J., . . . Gentil, P. (2021). Resistance Training Performed to Failure or Not to Failure Results in Similar Total Volume, but With Different Fatigue and Discomfort Levels. J Strength Cond Res, 35(5), 1372-1379. doi:10.1519/JSC.0000000000002915Saric, J., Lisica, D., Orlic, I., Grgic, J., Krieger, J. W., Vuk, S., & Schoenfeld, B. J. (2019). Resistance Training Frequencies of 3 and 6 Times Per Week Produce Similar Muscular Adaptations in Resistance-Trained Men. J Strength Cond Res, 33 Suppl 1, S122-S129. doi:10.1519/JSC.0000000000002909Schoenfeld, B. J. (2010). The mechanisms of muscle hypertrophy and their application to resistance training. J Strength Cond Res, 24(10), 2857-2872. doi:10.1519/JSC.0b013e3181e840f3Schoenfeld, B. J., Contreras, B., Krieger, J., Grgic, J., Delcastillo, K., Belliard, R., & Alto, A. (2019). Resistance Training Volume Enhances Muscle Hypertrophy but Not Strength in Trained Men. Med Sci Sports Exerc, 51(1), 94-103. doi:10.1249/MSS.0000000000001764Schoenfeld, B. J., Grgic, J., Contreras, B., Delcastillo, K., Alto, A., Haun, C., . . . Vigotsky, A. D. (2019). To Flex or Rest: Does Adding No-Load Isometric Actions to the Inter-Set Rest Period in Resistance Training Enhance Muscular Adaptations? A Randomized-Controlled Trial. Front Physiol, 10, 1571. doi:10.3389/fphys.2019.01571Schoenfeld, B. J., Grgic, J., & Krieger, J. (2019). How many times per week should a muscle be trained to maximize muscle hypertrophy? A systematic review and meta-analysis of studies examining the effects of resistance training frequency. J Sports Sci, 37(11), 1286-1295. doi:10.1080/02640414.2018.1555906Schoenfeld, B. J., Ogborn, D., & Krieger, J. W. (2017a). The dose-response relationship between resistance training volume and muscle hypertrophy: are there really still any doubts? J Sports Sci, 35(20), 1985-1987. doi:10.1080/02640414.2016.1243800Schoenfeld, B. J., Ogborn, D., & Krieger, J. W. (2017b). Dose-response relationship between weekly resistance training volume and increases in muscle mass: A systematic review and meta-analysis. J Sports Sci, 35(11), 1073-1082. doi:10.1080/02640414.2016.1210197Schoenfeld, B. J., Ogborn, D. I., & Krieger, J. W. (2015). Effect of repetition duration during resistance training on muscle hypertrophy: a systematic review and meta-analysis. Sports Med, 45(4), 577-585. doi:10.1007/s40279-015-0304-0Schoenfeld, B. J., Pope, Z. K., Benik, F. M., Hester, G. M., Sellers, J., Nooner, J. L., . . . Krieger, J. W. (2016). Longer Interset Rest Periods Enhance Muscle Strength and Hypertrophy in Resistance-Trained Men. J Strength Cond Res, 30(7), 1805-1812. doi:10.1519/JSC.0000000000001272Steele, J., Androulakis-Korakakis, P., Carlson, L., Williams, D., Phillips, S., Smith, D., . . . Fisher, J. P. (2021). The Impact of Coronavirus (COVID-19) Related Public-Health Measures on Training Behaviours of Individuals Previously Participating in Resistance Training: A Cross-Sectional Survey Study. Sports Med, 51(7), 1561-1580. doi:10.1007/s40279-021-01438-5West, D. W., Burd, N. A., Staples, A. W., & Phillips, S. M. (2010). Human exercise-mediated skeletal muscle hypertrophy is an intrinsic process. Int J Biochem Cell Biol, 42(9), 1371-1375. doi:10.1016/j.biocel.2010.05.012West, D. W., Burd, N. A., Tang, J. E., Moore, D. R., Staples, A. W., Holwerda, A. M., . . . Phillips, S. M. (2010). Elevations in ostensibly anabolic hormones with resistance exercise enhance neither training-induced muscle hypertrophy nor strength of the elbow flexors. J Appl Physiol (1985), 108(1), 60-67. doi:10.1152/japplphysiol.01147.2009West, D. W., Cotie, L. M., Mitchell, C. J., Churchward-Venne, T. A., MacDonald, M. J., & Phillips, S. M. (2013). Resistance exercise order does not determine postexercise delivery of testosterone, growth hormone, and IGF-1 to skeletal muscle. Appl Physiol Nutr Metab, 38(2), 220-226. doi:10.1139/apnm-2012-0397  Get the Daily Fitness Insider newsletter (free): https://www.miketnelson.com/newsletter