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Effects of moderate-intensity endurance and high-intensity intermittent training on anaerobic capacity and VO2max.
- I. Tabata, K. Nishimura, K. Yamamoto
- EducationMedicine and science in sports and exercise
- 1 October 1996
It is shown that moderate-intensity aerobic training that improves the maximal aerobic power does not change anaerobic capacity and that adequate high-intensity intermittent training may improve both an aerobic and aerobic energy supplying systems significantly, probably through imposing intensive stimuli on both systems.
Muscle volume is a major determinant of joint torque in humans.
- T. Fukunaga, M. Miyatani, M. Tachi, M. Kouzaki, Y. Kawakami, H. Kanehisa
- BiologyActa physiologica Scandinavica
- 10 August 2001
The results reveal that the muscle volume of the upper arm is a major determinant of joint torque (TQ), regardless of athletic training.
Importance of body sway velocity information in controlling ankle extensor activities during quiet stance.
- K. Masani, M. Popovic, K. Nakazawa, M. Kouzaki, D. Nozaki
- BiologyJournal of neurophysiology
- 1 December 2003
The findings suggest that the actual postural control system during quiet stance adopts a control strategy that relies notably on velocity information and that such a controller can modulate muscle activity in anticipatory manner without using a feed-forward mechanism.
Metabolic profile of high intensity intermittent exercises.
- I. Tabata, K. Irisawa, M. Kouzaki, K. Nishimura, F. Ogita, M. Miyachi
- Biology, MedicineMedicine and science in sports and exercise
- 1 March 1997
It is shown that intermittent exercise defined by the IE1 protocol may tax both the anaerobic and aerobic energy releasing systems almost maximally.
Efficacy of tourniquet ischemia for strength training with low resistance
- M. Shinohara, M. Kouzaki, T. Yoshihisa, T. Fukunaga
- BiologyEuropean Journal of Applied Physiology and…
- 8 December 1997
The substantial gain in strength and maximal rate of torque development in I-leg demonstrated the efficacy of tourniquet ischemia during low-resistance training of short duration, and suggested the importance of neuromuscular and/or metabolic activity, other than high mechanical stress, to the adapting responses to strength training.
Changes in muscle size, architecture, and neural activation after 20 days of bed rest with and without resistance exercise
The results suggest that reduction of muscle strength by BR is affected by a decreased ability to activate motor units, and that the exercise used in the present experiment is effective as a countermeasure.
Decrease in maximal voluntary contraction by tonic vibration applied to a single synergist muscle in humans.
The present results indicate that MVC and dF/dt(max) may be influenced by the attenuated Ia afferent functions of a single synergist muscle.
Alternate muscle activity observed between knee extensor synergists during low-level sustained contractions.
- M. Kouzaki, M. Shinohara, K. Masani, H. Kanehisa, T. Fukunaga
- BiologyJournal of applied physiology
- 1 August 2002
It is demonstrated that alternate muscle activity in the quadriceps muscle appears only between biarticular RF muscle and monoarticular vasti muscles (VL and VM), and its frequency of alternations progressively increases with time, and emerges under sustained contraction with force production levels < or =5.0% of MVC.
Effect of gender on mechanical power output during repeated bouts of maximal running in trained teenagers.
- T. Yanagiya, H. Kanehisa, M. Kouzaki, Y. Kawakami, T. Fukunaga
- EducationInternational journal of sports medicine
- 1 May 2003
For trained teenage boys and girls, significant gender difference in mechanical power developed during repeated bouts of maximal running exists only in the initial phase of the task, when the difference in the volume of the lower limb muscles is normalized, and it may be a reason for a greater decline of mechanicalPower developed during the bout in boys compared to girls.
Changes in the elastic properties of tendon structures following 20 days bed-rest in humans
It is suggested that bed-rest results in a decrease in the stiffness of tendon structures with a reduction of muscle strength and volume and the rate of torque development is significantly reduced.