for Japanese version
Research Interests
Neuromuscular system in human movement
- Neuromuscular property by muscle functional magnetic resonance imaging (mfMRI) and electromyogram
- Adaptation of function and structure in skeletal muscle as a result of acute and chronic physical training (e.g. resistance, sprint, and endurance training) and disuse (e.g. spaceflight, unloading, and post-surgery disuse)
Members
- Maya HIOKI (PhD candidate)
- Research Interest: Evaluation of intramuscular fat using 1H-MRS and ultrasonography
- Akira SAITO (PhD candidate)
- Research Interest: EMG activity in the vastus intermedius during knee flexion
- Ryosuke ANDO (MEd candidate)
- Research Interest: Muscle architecture of the thigh muscles using ultrasonography
- Akito YOSHIKO (MEd candidate)
- Research Interest: Evaluation of intramuscular fat using MRI
Almuni
- Kohei WATANABE, Ph.D. (Chukyo University)
- Maya HIOKI, PT, M.S. (Graduate student at Nagoya University)
- Akira SAITO (Graduate student at Nagoya University)
Education
- 1986-1990, B.S., University of Tsukuba
- 1991-1993, M.S., University of Tsukuba
- 1993-1996, Ph.D., University of Tsukuba
Professional Experience
- 1996, Research Associate, Sport and Physical Education Center, University of Tsukuba
- 1996-1998, Assistant Professor, Department of Life Sciences, The University of Tokyo
- 1998-1999, Visiting Scholar, Department of Exercise Science, The University of Georgia
- 1999-2002, Assistant Professor, Department of Life Sciences, The University of Tokyo
- 2002-2004, Assistant Professor, Research Center of Health, Physical Fitness & Sports, Nagoya University
- 2002-2004, Assistant Professor, Graduate School of Medicine, Nagoya University
- 2004-present, Associate Professor, Research Center of Health, Physical Fitness & Sports, Nagoya University
- 2004-present, Associate Professor, Graduate School of Education and Human Development, Nagoya University
- 2006-present, Researcher, EcoTopia Science Institute, Nagoya University
- 2006-present, Visiting Researcher, Japan Aerospace Exploration Agency (JAXA)
- 2008-2009, Courtesy Professor, Department of Physical Therapy, University of Florida
Current research projects
- Neuromusuclar activation of vastus intermedius muscle during muscle contraction using surface EMG
- Establishment of countermeasures during long duration space travel
- Neuromuscular adaptation by unloading (e.g. spaceflight, bed rest, immobilization and unilateral lower limb unloading) in humans
- Neuromuscular property and plasticity as a result of acute and chronic physical training
- Coactivation pattern and neuroral linkage duirng muscle contraction among synergistic muscles
- Knee surgery induced dysfunction and atrophy in skeletal muscles and rehabilitation
- Plasticity of activation of neuromuscular compartments during exercise
Professional Affiliations
- Regular Member:
- American College of Sports Medicine
- Japanese Society of Aerospace and Environmental Medicine
- Japanese Society of Biomechanics
- Japanese Society of Exercise and Sports Physiology
- Japanese Society of Physical Education
- The Japanese Society of Physical Fitness and Sports Medicine
- Gest Reviewer:
- Acta Astronautica
- American Journal of Physiology: Endocrinology and Metabolism
- American Journal of Physical Medicine and Rehabilitation
- Cells Tissues Organs
- European Journal of Applied Physiology
- European Journal of Oral Sciences
- European Journal of Physical Rehabiliation Medicine
- Football Science
- Gerontology
- International Journal of Sport and Health Science
- International Journal of Sports Medicine
- Journal of Applied Physiology
- Journal of Biomechanics
- Journal of Human Ergology
- Journal of Physiology (London)
- Journal of Physiological Sciences
- Medicine and Science in Sports and Exercise
- National Science Foundation; grant reviewer
- Neuroscience Letters
Recent Publications
Akima, H., Saito. A., Watanabe, K., Kouzaki, M.: Alternate muscle activity patterns among synergists of the quadriceps femoris including the vastus intermedius during low-level sustained contraction in men. Muscle Nerve (in press).
- Watanabe, K., Akima, H.: Validity of surface electromyography for vastus intermedius muscle assessed by needle electromyography. J. Neurosci. Methods.198: 332-335, 2011.
- Hotta, N., Ishida, K., Sato, K., Watanabe, K., Katayama, K., Akima, H.: The effect of intense interval cycling-training on unloading-induced dysfunction and atrophy in the human calf muscle. J. Physiol. Anthropol. 30: 29-35, 2011.
- Sato, K., Hotta, N., Miyachi, M., Masuda, K., Koike, T., Akima, H.: Relationship between aerobic capacity and muscle atrophy after lower limbs suspension with and without countermeasure. Aviat. Space Environ Med.30: 1085-1091, 2010.
- Katayama, K., Yoshitake, Y., Watanabe, K., Akima, H., Ishida, K.: Muscle deoxygenation during sustained and intermittent isometric exercise in hypoxia. Med. Sci. Sports Exerc.42: 1269-1278, 2010.
- Watanabe, K., Akima, H.: EMG-force relationship of vastus intermedius muscle during fatiguing exercise. J. Electromyogr. Kinesiol. 20: 661-666, 2010.
- Ishida, K., Katayama, K., Akima, H., Iwase, S., Sato, K., Hotta, N., Miyamura, M.: Effects of deconditioning on the initial ventilatory and circulatory responses at the onset of exercise in man. Adv. Exp. Med. Biol. 669: 319-322, 2010.
- Sakuma, K., Watanabe, K., Hotta, N., Koike, T., Ishida, K., Katayama, K., Akima, H.: The adaptive responses in several mediators linking with hypertrophy and atrophy of skeletal muscle after lower limb unloading in human. Acta Physiol. 197: 151-159, 2009.
- Akima, H., Hotta, N., Sato, K., Ishida, K., Koike, T., Katayama, K.: Intensive interval cycling training prevents atrophy during unilateral lower limb unloading. Int. J. Sports Med. 30: 563-568, 2009.
- Watanabe, K., Katayama, K., Ishida, K., Akima, H.: Electromyographic analysis of hip adductor muscles during incremental fatiguing pedaling exercise. Eur. J. Appl. Physiol. 106: 815-825, 2009.
- Watanabe, K., Katayama, K., Ishida, K., Akima, H.: Normalized EMG to normalized torque relationships of vastus intermedius muscle during isometric knee extension. Eur. J. Appl. Physiol. 106: 665-673, 2009.
- Furuichi, Y., Masuda, K., Takakura, H., Hotta, N., Ishida, K., Katayama, K., Iwase, S., Akima, H.: Effect of intensive interval training during unloading on muscle oxygenation kinetics. Int. J. Sports Med. 30: 563-568, 2009.
- Akima, H., Hioki, M., Furukawa, T.: Effect of arthroscopic partial meniscectomy on the function of quadriceps femoris. Knee Surg. Sports Traumatol. Arthrosc 16: 1017-1035, 2008.
- Watanabe, K, Akima, H.: Cross-talk from adjacent muscle has a negligible effect on surface electromyographic activity of vastus intermedius muscle during isometric contraction. J. Electromyogr. Kinesiol. 19: e280-e289, 2009.
- Sakuma, K., Akiho, M., Nakashima, H., Akima, H., Yasuhara, M.: Age-related reductions in expression of serum response factor and myocardin-related transcription factor A in mouse skeletal muscles. Biochimica Biophysica Acta 1782: 453-461, 2008.
- Yamaoka-Endo, M., Kobayakawa, M., Kinugasa, R., Kuno, S., Akima, H., Rossiter, H.B., Miura, A., Fukuba, Y.: Thigh muscle activation distribution and pulmonary VO2 kinetics during moderate, heavy and very-heavy intensity cycling exercise in humans. Am. J. Physiol. Regul. Integr. Comp. Physiol. 293: R812-R820, 2007.
- Kouzaki, M., Masani, K., Akima, H., Shirasawa, H., Fukuoka, H., Kanehisa, H., Fukunaga, T.: Effects of 20-day bed rest with and without strength training on postural sway during quite standing. Acta Physiol. 189: 279-292, 2007.
- Akima, H., Ushiyama, J., Kubo, J., Fukuoka, H., Kanehisa, H., Fukunaga, T.: Effect of unloading on muscle volume with and without resistance training. Acta Astronaut. 60: 728-736, 2007.
- Hotta, N., Sato, K., Katayama, K., Koga, S., Masuda, K., Miyachi, M., Akima, H., Ishida, K.: Oxygen uptake kinetics following 20 days of unilateral lower limb suspension. J. Physiol. Sci. 56: 347-353, 2006.
- Ogawa, T., Furochi, H., Mameoka, M., Hirasaka, K., Suzue, N., Oarada, M., Akamatsu, M., Akima, H., Fukunaga, T., Kishi, K., Yasui, N., Fukuoka, H., Nikawa, T.: Ubiquitin ligase gene expression in healthy volunteers with 20-day bedrest. Muscle & Nerve 34: 463-469, 2006.
- Hotta, N., Sato, K., Sun, Z., Katayama, K., Akima, H., Kondo, T., Ishida, K.: Muscle soreness and damage augment ventilatory response at the onset of exercise. Eur. J. Appl. Physiol. 97: 598-606, 2006.
- Akima, H.: Review: Functional imaging of human skeletal muscle during movement: Implications for recruitment, metabolism and circulation. Int. J. Sport Health Sci. 3: 193-206, 2005.
- Akima, H., Furukawa, T.: Atrophy of thigh muscles after meniscal lesions and arthroscopic partial meniscectomy. Knee Surg. Sports Traumatol. Arthrosc. 13: 632-637, 2005.
- Akima, H., Katayama, K., Sato, K., Ishida, K., Masuda, K., Takada, H., Watanabe, Y., Iwase, S.: Intensive cycle training with artificial gravity maintains muscle size during bed rest. Aviat Space Environ Med 76: 923-929, 2005.
- Kinugasa, R., Akima, H.: Neuromuscular activation of triceps surae using muscle functional MRI and EMG. Med. Sci. Sports Exerc. 37: 593-598, 2005.
- Akima, H., Kinugasa, R., Kuno, S.: Recruitment of the thigh muscles during sprint cycling by muscle functional magnetic resonance imaging. Int. J. Sports Med. 26: 245-252, 2005.
- Katayama, K., Sato, K., Akima, H., Ishida, K., Takada, H., Watanabe, Y., Iwase, M., Miyamura, M., Iwase, S.: Acceleration with exercise during head-down bed rest preserves upright exercise responses. Aviat. Space Environ. Med. 75: 1029-1035, 2004.
- Kawashima, S., Akima, H., Kuno, S., Gunji, A., Fukunaga, T.: Human adductor muscle atrophy after short duration of unweighting. Eur. J. Appl. Physiol. 92: 602-605, 2004.
- Kubo, K., Akima, H., Ushiyama, J., Tabata, I., Fukuoka, H., Kanehisa, H., Fukunaga, T.: Effects of resistance training during bed rest on the viscoelastic properties of tendon structures in the lower limb. Scand. J. Med. Sci. Sports 14: 296-302, 2004.
- Kubo, K., Akima, H., Ushiyama, J., Tabata, I., Fukuoka, H., Kanehisa, H., Fukunaga, T.: Effects of 20 days of bed rest on the viscoelastic properties of tendon structures in lower limb muscles. Br. J. Sports Med. 38: 324-330, 2004.
- Katayama, K., Sato, K., Akima, H., Ishida, K., Yanagiya, T., Kanehisa, H., Fukuoka, H., Fukunaga, T., Miyamura, M.: Effects of bed rest deconditioning on ventilatory and cardiovascular responses to hypoxia and hypercapnia. Aviat. Space Environ. Med. 75: 312-316, 2004.
- Kinugasa, R., Akima, H., Ota, A., Ohta, A., Sugiura, K., Kuno, S.: Short-term creatine supplementation does not improve muscle activation or sprint performance in humans. Eur. J. Appl. Physiol. 91: 230-237, 2004.
- Akima, H., Takahashi, H., Kuno, S., Katsuta, S.: Coactivation pattern in human quadriceps during isokinetic knee-extension by muscle functional MRI. Eur. J. Appl. Physiol. 91: 7-14, 2004.
- Akima, H., Ushiyama, J., Kubo, J., Tonosaki, S., Itoh, M., Kawakami, Y., Fukuoka, H., Kanehisa, H., Fukunaga, T.: Resistance training during unweighting maintains muscle size and function in human calf. Med. Sci. Sports Exerc. 35: 655-662, 2003.
- Akima, H., Foley, J.M., Prior, B.M., Dudley, G.A., Meyer, R.A.: Vastus lateralis fatigue alters recruitment of musculus quadriceps femoris in humans. J. Appl. Physiol. 92: 679-684, 2002.
- Akima, H., Kubo, K., Imai, M., Kanehisa, H., Suzuki, Y., Gunji, A., Fukunaga, T.: Inactivity and muscle: effect of resistance training during bed rest on muscle size in the lower limb. Acta Physiol. Scand. 172: 269-278, 2001.
- Akima, H., Kano, Y., Enomoto, Y., Ishizu, M., Okada, M., Ohishi, Y., Katsuta, S., Kuno, S.: Muscle function in 164 men and women aged 20 to 84 yr. Med. Sci. Sports Exerc. 33: 220-226, 2001.
- Akima, H., Kuno, S., Takahashi, H., Fukunaga, T., Katsuta, S.: The use of magnetic resonance images to ingestigate the influence of recruitment on the relationship between torque-cross-sectional area in human muscle. Eur. J. Appl. Physiol. 83: 475-480, 2000.
- Akima, H., Ito, M., Yoshikawa, H., Fukunaga, T.: Recruitment plasticity of neuromuscular compartments in exercising tibialis anterior using echo-planar magnetic resonance imaging in humans. Neurosci. Lett. 296: 133-136, 2000.
- Akima, H., Kubo, K., Kanehisa, H., Suzuki, Y., Gunji, A., Fukunaga, T.: Leg-press training during 20 days of 6 deg head-down-tilt bed rest prevents muscle deconditioning. Eur. J. Appl. Physiol. 82: 30-38, 2000.
- Akima, H., Kawakami, Y., Kubo, K., Sekiguchi, C., Ohshima, H., Miyamoto, A., Fukunaga, T.: Effect of short-duration spaceflight on thigh and leg muscle volume. Med. Sci. Sports Exerc. 32: 1743-1747, 2000.
- Akima, H., Takahashi, H., Kuno, S., Masuda, K., Masuda, T., Shimojo, H., Anno, I., Itai, Y., Katsuta, S.: Early phase adaptations of muscle use and strength to isokinetic training. Med. Sci. Sports Exerc. 31: 588-594, 1999.
- Akima, H., Kuno, S., Inaki, M., Shimojo, H., Katsuta, S.: Effects of sprint cycle training on architectural characteristics, torque-velocity relationships, and power output in human skeletal muscles. Adv. Exerc Sports Physiol. 3: 9-15, 1997.
- Akima, H., Kuno, S., Suzuki, Y., Gunji, A., Fukunaga, T.: Effects of 20 days of bed rest on physiological cross-sectional area of human thigh and leg muscles evaluated by magnetic resonance imaging. J. Gravitat. Physiol. 4: S15-S22, 1997.
Recent Presentations
2012
- Akima, H., Saito, A.: Unique neuromuscular activation in the vastus intermedius during dynamic knee extensions. XIX Congress of the International Society of Electromyography and Kinesiology (Brisbane, Australia), July 19-21, 2012.
- Akima, H., Saito, A.: Muscle activation patterns of quadriceps synergists including the vastus intermedius during fatiguing dynamic knee extensions. XIX Congress of the International Society of Electromyography and Kinesiology (Brisbane, Australia), July 19-21, 2012.
- Saito, A., Akima, H.: Effect of knee joint angle on EMG-force relationship of quadriceps femoris involving vastus intermedius muscle. XIX Congress of the International Society of Electromyography and Kinesiology (Brisbane, Australia), July 19-21, 2012.
- Ando, R., Saito, A., Taniguchi, K., Ataka, K., Katayose, M., Akita, K., Fujimiya, M., Akima, H.: Validity of measuring fascicle length of the vastus intermedius in cadavers directly and by ultrasonography. XIX Congress of the International Society of Electromyography and Kinesiology (Brisbane, Australia), July 19-21, 2012.
2011
- Akima, H., Saito, A., Watanabe, K., Kouzaki, M.: Alternate muscle activity of four synergists in quadriceps femoris during low-level sustained contraction. The 58th Annual Meeting of American College of Sports Medicine (Denver, CO, USA), May 31 to Jun 4, 2011.
- Saito, A., Watanabe, K., Akima, H.: Neuromuscular activation of vastus intermedius muscle during isometric knee flexion at different knee joint angles. The 58th Annual Meeting of American College of Sports Medicine (Denver, CO, USA), May 31 to Jun 4, 2011.
2010
- Watanabe, K., Akima, H.: The effect of electrode location on surface EMG of the vastus intermedius muscle. The XVIII Congress of the International Society of Electrophysiology and Kinesiology (Aalborg, Denmark), Jun 16 to 19, 2010.
- Hioki, M., Akima, H.: Echo intensity as an index of intramuscular fat in elderly women evaluated by ultrasonography. The 57th Annual Meeting of American College of Sports Medicine (Baltimore, MD, USA), Jun 2 to 5, 2010.
- Katayama, K., Yoshitake, Y., Watanabe, K., Akima, H., Ishida, K.: Muscle deoxyegenation and myoelectric activity during sustained and intermittent isometric exercise in hypoxia. The 57th Annual Meeting of American College of Sports Medicine (Baltimore, MD, USA), Jun 2 to 5, 2010.
- Akima, H., Jasjit, D., Germain, S., Senesac, C., Lott, D., Bendixen, R., Walter, G., Vandenborn, K.: Skeletal muscle contractile and non-contractile components in boys with Duchenne muscular dystrophy by MRI. The 57th Annual Meeting of American College of Sports Medicine (Baltimore, MD, USA), Jun 2 to 5, 2010.
- Watanabe, K., Akima, H.: Recording of surface electromyogram from the hip adductor muscles. The 57th Annual Meeting of American College of Sports Medicine (Baltimore, MD, USA), Jun 2 to 5, 2010.
2009
- Katayama, K., Takeuchi, Y., Yoshitake, Y., Fujita, O., Watanabe, K., Akima, H., Ishida, K.: Muscle deoxygenation and electromyogram activity during isolated muscle exercise in hypoxia. The 56th Annual Meeting of American College of Sports Medicine (Seattle, WA, USA), May 27 to 30, 2009.
- Watanabe, K., Akima, H.: Neuromuscular activation of vastus intermedius muscle during isometric knee extension at various force intensity
- Hioki, M., Furukawa, T., Akima, H.: Establishment of accurate estimation of muscle atrophy based on muscle thickness in knee surgery patients. The 56th Annual Meeting of American College of Sports Medicine (Seattle, WA, USA), May 27 to 30, 2009.
- Akima, H., Watanabe, K., Katayama, K., Ishida, K., Koike, T.: Effects of intensive interval and resistance training on muscle size and function during unloading. The 56th Annual Meeting of American College of Sports Medicine (Seattle, WA, USA), May 27 to 30, 2009.
2008
- Ishida, K., Katayama, K., Akima, H., Takada, H., Watanabe, Y., Iwase, S., Miyamura, M.: Bed rest attenuates the initial ventilatory and circulatory responses to dynamic exercise. The 13th Annual Meeting of European College of Sports Science (Estoril, Potugal), July 9 to 12, 2008.
- Nishimura, N., Iwase, S., Sugenoya, J., Shimizu, Y., Sakurai, H., Sato, M., Kanikowska, D., Suzuki, S., Watanabe, Y., Ishida, K., Akima, H., Katayama, K., Takada, H., Yamamoto, T., Masuo, Y., Hirayanagi, K.: Effect of artificial gravity with ergometric exercise as countermeasure against orthostatic tolerance causedby - 6｡head-down bed rest for 20 days. The 29th Annual International Gravitational Physiology Meeting (Angers, France) June 22 to 27, 2008.
- Iwase, S., Sugenoya, J., Nishimura, N., Sato, M., Shimizu, Y., Kanikowska, D., Takada, H., Mano., T., Ishida, K., Akima, H., Katayama, K., Hirayanagi, K., Shiozawa, T., Yajima, K., Watanabe, Y., Takada, M., Suzuki, M., Fukunaga, T., Masuo, Y.: Effectiveness of artificial gravity and ergometric exercise as a countermeasure / comparison between everyday and every other day protocols. The 29th Annual International Gravitational Physiology Meeting (Angers, France) June 22 to 27, 2008.
- Sakurai, H., Iwase, S., Sugenoya, J., Masuo, Y., Nishimura, N., Yamada, Y., Ohta, M., Tomota, S., Fukunaga, T., Ishida, K., Akima, H., Katayama, K., Shimizu, Y., Sato, M., Kanikowska, D., Suzuki, S., Watanabe, Y., Hirayanagi, K., Shiozawa, T.: Centrifuge-induced artificial gravity with ergometric exercise prevents the fluid shift and myatorophy by simulated microgravity with bed rest. The 29th Annual International Gravitational Physiology Meeting (Angers, France) June 22 to 27, 2008.
- Akima, H., Watanabe, K., Katayama, K., Ishida, K., Koike, T.: Effects of low frequency intensive interval training on muscle atrophy and function during unloading. The 55th Annual Meeting of American College of Sports Medicine (Indianapolis, IN, USA), May 28 to 31, 2008.
- Wanatabe, K., Katayama, K., Ishida, K., Akima, H.: Recruitment patterns of the adductor muscles during incremental fatiguing pedaling. The 55th Annual Meeting of American College of Sports Medicine (Indianapolis, IN, USA), May 28 to 31, 2008.
2007
Iwase, S., Sugenoya, J., Sato, M., Shimizu, Y., Takada, H., Mano, T., Ishida, K., Akima, H., Katayama, K., Hirayanagi, K., Iwasaki, T., Shiozawa, T., Yajima, K., Watanabe, Y., Suzuki, S., Fukunaga, T., Masuo, Y.: Effectiveness of artificial gravity and ergometric exercise as a countermeasure against spaceflight reconditioning caused by simulated microgravity of -6｡head down bedrest for 20 days. The 28th Annual International Gravitational Physiology Meeting (San Antonio, TX, USA), Apr. 8 to 13, 2007.
Furuichi, Y., Masuda, K., Takakura, H., Ishida, K., Katayama, K., Miyachi, M., Akima, H.: Effect of intensive interval training during unilateral lower limb unloading on the muscle oxygenation kinetics. The 54th Annual Meeting of American College of Sports Medicine (New Orleans, LA, USA), May 30 to Jun 2, 2007. Akima, H., Hotta, N., Sato, K., Ishida, K., Koike, T., Katayama, K.: Intensive interval training prevents muscle atrophy during unloading. The 54th Annual Meeting of American College of Sports Medicine (New Orleans, LA, USA), May 30 to Jun 2, 2007.
2006
- Hotta, N., Yamamoto, K., Katayama, K., Akima, H., Ishida, K.: Cardiorespiratory responses at the onset of the dominant and non dominant limbs exercise. The 11th Annual Congress of the European College of Sport Science (Switzerland), Jul. 5-8, 2006.
- Akima, H., Hotta, N., Sato, K., Katayama, K., Ishida, K., Iwase, S., Fukunaga, T.: Unilateral lower limb suspension induced atrophy as a model of unweighting. The 27th International Gravitational Physiology Meeting (Osaka, Japan), Apr. 23-28, 2006.
- Sato, K, Katayama, K., Hotta, N., Ishida, K., Miyachi, M., Masuda, K., Koike, T., Akima, H.: The influence of unilateral lower limb suspension on cardiorespiratory response during exercise. The 53rd Annual Meeting of American College of Sports Medicine (Denver, USA), May 31-Jun 3, 2006.
2005
- Akima, H., Kinugasa, R., Masuda, K., Kuno, S.: Muscle activation patterns by electrical muscle stimulation evaluated by muscle functional MRI. Workshop of Investigation of Human Muscle Function in vivo (Nashville, TN, USA), Oct 20-23, 2005.
- Akima, H.: Neuromuscular activation and plasticity during exercise in humans. Seminar at Emory University School of Medicine, Oct 17-18, 2005.
- Hotta, N., Sato, K., Katayama, K., Akima, H., Koike, T., Masuda, K., Miyachi, M., Ishida, K.: Effect of unilateral lower limb suspension on the oxygen uptake kinetics at the start of exercise. The 6th International Head-Out Water Immersion Symposium (Nagakute, Aichi, Japan), Sep 20-21, 2005.
- Akima, H., Hotta, N., Katayama, K., Ishida, K., Koike, T., Masuda, K., Miyachi, M.: Neuromuscular adaptations to unilateral lower limb suspension in humans. The 6th International Head-Out Water Immersion Symposium (Nagakute, Aichi, Japan), Sep 20-21, 2005.
- Akima, H., Kinugasa, R., Yanagiya, T., Kanehisa, H., Fukuoka, H., Fukunaga, T.: Neuromuscular adaptation in human calf after disuse evaluated by muscle fMRI and EMG. XXth Congress of the International Society of Biomechanics (Cleveland, OH, USA), Jul 31 to Aug 5, 2005.
- Hotta, N., Sato, K., Sun, Z., Katayama, K., Akima, H., Ishida, K.: The effects of exercise-induced muscle soreness and muscle damage on ventilatory and circulatory responses at the onset of exercise. The 10th Annual Congress of the European College of Sport Medicine (Belgrade, Serbia-Montenegro), Jul. 13-16, 2005.
- Akima, H., Katayama, K., Sato, K., Ishida, K., Masuda, K., Takada, H., Watanabe, Y., Iwase, S.: Effect of high intensity cycle training with centrifuge-induced artificial gravity during bed rest on skeletal muscle. The 52nd Annual Meeting of American College of Sports Medicine (Nashville, TN, USA), Jun 1-4, 2005.
- Masuda, K., Takakura, H., Akima, H., Kinugasa, R., Jue, T.: Faster rate of tissue oxygen extraction during contraction after short period of resistance training. The 52nd Annual Meeting of American College of Sports Medicine (Nashville, TN, USA), Jun 1-4, 2005.
- Iwase, S., Takada, H., Watanabe, Y., Ishida, K., Akima, H., Katayama, K., Iwase, M., Hirayanagi, K., Shiozawa, T., Hamaoka, T., Masuo, Y, Custaud, M.-A., Sugenoya, J., Mano, T.: Effect of centrifuge-induced artificial gravity and ergometric exercise on cardiovascular deconditioning, myatrophy, and osteoporosis induced by -6｡ head-down bedrest for 20 days. The 15th IAA Human in Space Symposium (Graz, Austria), May 22-26, 2005.
2004
- Akima, H.: Use of MRI for beter understanding of neuromuscular system and motor control in humans. Dr. Jue lab. seminar at School of Medicine, University of California, Davis (Davis, CA, USA), Jun 24, 2004.
- Akima, H., Furukawa, T.: Neuromuscular properties of the quadriceps femoris after knee surgery evaluated by muscle fMRI and EMG. The 15th International Society of Electrophysiology & Kinesiology (Boston, MA, USA), Jun 18-21, 2004.
- Masuda, K., Akima, H., Kinugasa, R., Taga, K., Kanehisa, H., Fukuoka, H., Yanagiya, T., Fukunaga, T.: Effect of short period of unweighting on muscle tissue oxygenation and EMG activity profiles during exercise in human calf. The 15th International Society of Electrophysiology & Kinesiology (Boston, MA, USA), Jun 18-21, 2004.
- Iwase, S., Takada, H., Ishida, K., Akima, H., Katayama, K., Iwase, M., Hirayanagi, K., Shiozawa, T., Hamaoka, T., Masuo, Y., Custaud, M.A.: Effect of centrifuge-induced artificial gravity and erogometric exercise on cardiovascular deconditioning, myoatrophy, and osteoporosis induced by ﾐ6? head-down bedrest for 20 days. The 25th International Gravitational Physiology Meeting (Moscow, Russia), Jun 6-11, 2004.
- Takada, H., Iwase, S., Watanabe, Y., Ishida, K., Akima, H., Katayama.,K., Iwase, M., Hirayanagi, K., Shiozawa, T., Hamaoka, T., Masuo, Y., Custaud, M.A.: Decrease in vascular responses to noradrenergic stimulation in the peripheral vessels due to the lack of shear stress is proposed as one of the causes of cardiovascular deconditioning after microgravity exposure. The 25th International Gravitational Physiology Meeting (Moscow, Russia), Jun 6-11, 2004.
2003
- Akima, H., Kinugasa, R., Kizuka, T., Kuno, S.: Coactivation patterns in the quadriceps by muscle functional magnetic resonacne imaging. The 50th Annual Meeting of American College of Sports Medicine (San Francisco, CA, USA), May 28-31, 2003.
- Kinugasa, R., Akima, H.: Linear coupling between muscle functional magnetic resonance imaging and EMG activity in human calf. The Annual Meeting of American College of Sports Medicine (San Francisco, CA, USA), May 28-31, 2003.
- Endo, M., Kobayakawa, M., Kinugasa, R., Akima, H., Kuno, S., Miura, A., Fukuba, Y.: Thigh muscle recruitment and pulmonary Vo2 kinetics during moderate, heavy, and severe exercise in humans. The 50th Annual Meeting of American College of Sports Medicine (San Francisco, CA, USA), May 28-31, 2003.
2002
- Akima, H., Kinugasa, R., Kuno, S.: Recruitment patterns during sprint cycling by using muscle functional magnetic resonance imaging. The 49th Annual Meeting of American College of Sports Medicine (St. Louts, MO, USA), 2002.
- Kawashima, S., Akima, H., Kuno, S., Fukunaga, T.: Short-term unloading induces atrophy of human adductor muscle group. The 49th Annual Meeting of American College of Sports Medicine (St. Louts, MO, USA), 2002.
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Last up date: Feb 9, 12