Education:
- MS - State Central Institute of Physical Culture, Moscow, Russia.
- 1986: Ph.D. - Tartu University, Estonia.
- 2007: Dr. Sci., - Institute of Biomedical Problems, Moscow, Russia.
Research and Professional Experience:
- 1969-1974: Research Associate of Physiological Department of State Central Institute of Physical Culture.
- 1969-1974: Ph.D. student in Department of Physiology of State Central Institute of Physical Culture.
- 1977-1985: Assistant Professor of Department of Physiology of State Central Institute of Physical Culture.
- 1985-1988: Junior Researcher of All-Union Research Institute of Occupational Hygiena and Occupational Diseases.
- 1989-1991: Senior Researcher of Department of Physiology of Central Research Institute of Sports.
- 1991- till present: Leading Researcher of Department of Sensory-motor Physiology and Countermeasures of Institute of Biomedical Problems.
- 2004-till present: Professor, Department of Sensory-motor Physiology and Countermeasures.
Major Publications
- Koryak Y.А., Kozlovskaya I.B. Influence of long-term bed-rest antiorthostatic hypokinesia оn the functional properties of human neuromuscular system. // Physiol. J., 1992, v. 38, p. 67-75.
- Koryak Y.А. The training effect of electrical stimulation of frequency оn normal the human tibialis anterior muscle. I. The influence оn the muscle force and the cross-sectional area of muscle. // Human Physiol., 1993, v. 19, p. 19-26.
- Koryak Y.A. Тhe training effect of electrical stimulation of frequency оn normal the human tibialis anterior muscle. II. Тhe influence оn velocity-strength properties and efficiency of muscle. // Human Physiol., 1993, v. 19, p. 125-132.
- Koryak Y.А. Contractile properties of triceps surae muscle in elite decathlon male and fеmale athletes. // Нuman Physiol., 1994, v. 20, p. 113-122.
- Koryak Yu.A., Kozlovskaya I.B. Excitability of a motor neuron pool in humans under conditions of prolonged of 120 days bed rest. // Proc. of the VII All-Russian Symp. “Ecological and Physiological Problems of adaptation”. M., 1994, p. 127-128.
- Koryak Y.A. Contractile properties of the human triceps surae muscle during simulated weightlessness. // Еur. J. Аррl. Physiol., 1995, v. 70, p. 344-350.
- Koryak Y.A. Skeletal muscle responses to lower limb "dry" immersion in human. // Aviat. Space Environ. Med., 1995, v. 66, p. 473.
- Koryak Y.A. Mechanical and electrical changes in "dry" immersion human muscle. Еur. J. Appl. Physiol., 1996, v. 74, p. 134-140.
- Koryak Yu Electrically evoked and voluntary properties of the human triceps surae muscle: effects of long-term spaceflights. // Acta Physiol Pharmacol (Bulg.), 2001, v. 26, p. 21-27.
- Koryak Yu. "Dry" immersion induces neural and contractile adaptations in the human triceps surae muscle. // Environ Med. 2002, v. 46, p. 17-27.
- Koryak Y. Surface action potential and contractile properties of the human triceps surae muscle: effect of “dry” water immersion. // Exp. Physiolog., 2002, v. 87, p. 101-111.
- Koryak Yu. “Dry” immersion induces neural and contractile adaptations in the human triceps surae muscle. // Environ. Med., 2002, v. 46, p. 17-27.
- Koryak Y.Electromyographic changes of human muscle as a result of simulated microgravity environment. // From Basic Motor Control to Functional Recovery II. Varna. Acad. Publis. House Prof. M. Drinov, (ed. N. Gantchev), 2003, p. 287-290.
- Koryak Yu.Contractile properties and fatiguability of the human triceps surae muscle after exposure to simulated weightlessness. // From Basic Motor Control to Functional Recovery III. Varna. Univ. Press. (ed. N. Gantchev), 2003, p. 369-380.
- Koryak Yu., Kuzmina M.M. Diagnostic ultrasound: its use the estimation of functions between the normal and weak muscle. // From Basic Motor Control to Functional Recovery IV. Sofia. Univ. Press. (ed. N. Gantchev), 2005, p. 322-329.
- Koryak Yu. Influence of microgravitation with use electromyostimulation trainings on architecture and function on human skeletal muscle. // From Basic Motor Control to Functional Recovery V. Varna. Univ. Press. (ed. N. Gantchev), 2007, p. 230-240.
- Koryak Yu., Kozlovskaya I., Himoroda N.N. Low-frequency neuromuscular electrical stimulation training of human skeletal muscles in conditions of gravitation unloading. // Eur. J. Natural History, 2008, No 1, p. 86-90.
- Koryak Yu., Kuzmina M.M., Himoroda N.N., Berezhinsky I.V., Kovalenko V.M. The effect of simulated microgravity using low-frequency electromyostimulation training on the architecture and function of human skeletal muscle. // Sci. J. Fundamental Res., 2007, No 9, p. 69-72.
- Koryak Yu. Effects of long-term low-frequency electromyostimulation training skeletal muscle during “dry” water immersion. // Gourt NU/ESA/NASA/JAXA/BAS Workshop on the Intern. Heliophysical 2007 and Basic Space Sci. “First Results of IHY 2007”, Sozopol, Bulgaria, 2008, p. 75-76.
- Koryak Yu.A. Neuromuscular electrical stimulation in conditions of gravitational unloading. // Inter. J. Experimental Educat., 2008, No 3, p. 36-40.
- Koryak Yu.A.Functional and clinical significance of the architecture of human skeletal muscles. // Human Physiology, 2008, v. 34, p. 482-492.
- Koryak Yu., Kuzmina M.M., Berezhinsky I.V., Kovalenko V.M. Long-term electromyostimulation training of muscles in a man in the conditions of mechanical unloading of the muscular apparatus and its influence on the architecture and function of the human triceps surae muscle. // Sci. J. Fundamental Res., 2010, No 3, p. 68–87.
- Koryak Yu. Influence of simulated microgravity on mechanical properties in the human triceps surae muscle in vivo. I: Effect of 120 days of bed-rest without physical training on human muscle musculo-tendinous stiffness and contractile properties in young women. // Eur. J. Appl. Physiol., 2014, v. 114, p. 1025-1036.
- Koryak Yu.A. Influence of 120-day simulated microgravity with countermeasures on human muscle musculo-tendinous stiffness and contractile properties. // Int. J. Sports Exerc. Med., 2015, v. 1, p. 1-8.
- Koryak Yu.A. Influence of simulated microgravity on mechanical properties in the human triceps surae muscle in vivo. II: Effect of 120 days of bed-rest with physical training on human muscle musculo-tendinous stiffness and contractile properties in young women. // Central Eur. J. Sport Med. 2015, v. 11, p. 125-143.
- Koryak Yu.A. Isokinetic strength and work capacity of human muscle after a spaceflight. // IJRDO J. of Biol. Sci., 2016, v. 2, p. 13-36.
- Koryak Yu.A., Kots Ya.M. Effects of electomyostimulation training on muscle strength and cross-sectional area muscle. // Eur. Multi Sci. J., 2017, No 4, p. 3-7.
- Koryak Yu.A. Neuromuscular electrical stimulation under conditions of support unloading and its effect on the architecture and strength of contraction of the human triceps surae muscle. // J. Sci. Rev., 2017, No 2, p. 93-107.
- Koryak Yu.A. Architectural and functional specifics of the human triceps surae muscle in vivo and its adaptation to microgravity. // J. Appl. Physiol., 2019, v. 126, p. 880–893.
- Koryak Yu. Changes in human skeletal muscle architecture and function induced by extended spaceflight. // J. of Biomechanics, 2019, v. 97, p. 109408
- Koryak Yu.A. (2020) Beneficial Effects of Chronic Low-frequency Stimulation of Calf Muscles in Human in Simulated Microgravity. J. Phys. Med. Rehabil. Res., 2020, v. 2(1), p. 1-12.