Sagan C. The demon-haunted world: science as a candle in the dark. New York: Ballantine Books; 1995.
Issurin VB. Biological background of block periodized endurance training: a review. Sports Med. 2019;49(1):31–9.
Bourne ND. Fast science: a history of training theory and methods for elite runners through 1975. Austin: University of Texas; 2008.
Stellingwerff T. Case study: nutrition and training periodization in three elite marathon runners. Int J Sport Nutr Exerc Metab. 2012;22(5):392–400.
Goutianos G. Block periodization training of endurance athletes: a theoretical approach based on molecular biology. Cell Mol Exerc Physiol. 2016;4(2):e9.
Kiely J. Periodization theory: confronting an inconvenient truth. Sports Med. 2018;48(4):753–64.
Matveyev LP. Fundamentals of sports training. English translation of the revised Russian version. Moscow: Progress Publishers; 1981.
Verkhoshansky Y. Main features of a modern scientific sports training theory. New Stud Athl. 1998;13:9–20.
Bompa TO, Buzzichelli C. Periodization: theory and methodology of training. Champaign: Human Kinetics; 2018.
Hackney AC, Lane AR. Exercise and the regulation of endocrine hormones. Prog Mol Biol Transl Sci. 2015;135:293–311.
Kraemer WJ, Ratamess NA, Nindl BC. Recovery responses of testosterone, growth hormone, and IGF-1 after resistance exercise. J Appl Physiol. 2016;122(3):549–58.
Hayes LD, Grace FM, Baker JS, et al. Exercise-induced responses in salivary testosterone, cortisol, and their ratios in men: a meta-analysis. Sports Med. 2015;45(5):713–26.
Morton RW, Sato K, Gallaugher MP, et al. Muscle androgen receptor content but not systemic hormones is associated with resistance training-induced skeletal muscle hypertrophy in healthy, young men. Front Physiol. 2018;9:1373.
Sgrò P, Romanelli F, Felici F, et al. Testosterone responses to standardized short-term sub-maximal and maximal endurance exercises: issues on the dynamic adaptive role of the hypothalamic-pituitary-testicular axis. J Endocrinol Investig. 2014;37(1):13–24.
Vingren JL, Kraemer WJ, Ratamess NA, et al. Testosterone physiology in resistance exercise and training. Sports Med. 2010;40(12):1037–53.
Hayes LD, Bickerstaff GF, Baker JS. Interactions of cortisol, testosterone, and resistance training: influence of circadian rhythms. Chronobiol Int. 2010;27(4):675–705.
Greenham G, Buckley JD, Garrett J, et al. Biomarkers of physiological responses to periods of intensified, non-resistance-based exercise training in well-trained male athletes: a systematic review and meta-analysis. Sports Med. 2018;48(11):2517–48.
Pickering C, Kiely J. Do non-responders to exercise exist, and if so, what should we do about them? Sports Med. 2019;49(1):1–7.
Shamim B, Devlin BL, Timmins RG, et al. Adaptations to concurrent training in combination with high protein availability: a comparative trial in healthy, recreationally active men. Sports Med. 2018;48(12):2869–83.
Berryman N, Mujika I, Bosquet L. Concurrent training for sports performance: the two sides of the medal. Int J Sports Physiol Perform. 2019;14(3):279–85.
Murlasits Z, Kneffel Z, Thalib L. The physiological effects of concurrent strength and endurance training sequence: a systematic review and meta-analysis. J Sports Sci. 2018;36(11):1212–9.
Fyfe JJ, Bishop DJ, Stepto NK. Interference between concurrent resistance and endurance exercise: molecular bases and the role of individual training variables. Sports Med. 2014;44(6):743–62.
Skovgaard C, Christensen PM, Larsen S, et al. Concurrent speed endurance and resistance training improves performance, running economy, and muscle NHE1 in moderately trained runners. J Appl Physiol. 2014;117(10):1097–109.