Tatsuyuki Ohtsuki

Summary

Affiliation: University of Tokyo
Country: Japan

Publications

  1. doi request reprint Music performance anxiety in skilled pianists: effects of social-evaluative performance situation on subjective, autonomic, and electromyographic reactions
    Michiko Yoshie
    Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Meguro ku, Tokyo, 153 8902, Japan
    Exp Brain Res 199:117-26. 2009
  2. ncbi request reprint Control of 3D limb dynamics in unconstrained overarm throws of different speeds performed by skilled baseball players
    Masaya Hirashima
    Department of Life Sciences Sports Sciences Graduate School of Arts and Sciences, University of Tokyo, 3 8 1 Komaba, Meguro ku, Tokyo 153 8902, Japan
    J Neurophysiol 97:680-91. 2007
  3. ncbi request reprint Relationship between muscle cocontraction and proficiency in whole-body sensorimotor synchronization: a comparison study of street dancers and nondancers
    Akito Miura
    Department of Life Sciences, Graduate School of Arts and Sciences, University of Tokyo, Tokyo, Japan
    Motor Control 17:18-33. 2013
  4. doi request reprint Exploring the mechanism of skilled overarm throwing
    Masaya Hirashima
    Graduate School of Education, The University of Tokyo, Japan
    Exerc Sport Sci Rev 36:205-11. 2008
  5. doi request reprint Aging effects on posture-related modulation of stretch reflex excitability in the ankle muscles in humans
    Hiroki Obata
    Sports Science Laboratory, Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Japan
    J Electromyogr Kinesiol 22:31-6. 2012
  6. pmc Intrinsic constraint of asymmetry acting as a control parameter on rapid, rhythmic bimanual coordination: a study of professional drummers and nondrummers
    Shinya Fujii
    Department of Physical and Health Education, Graduate School of Education, The University of Tokyo, Tokyo, Japan
    J Neurophysiol 104:2178-86. 2010
  7. doi request reprint Age-related changes of the stretch reflex excitability in human ankle muscles
    Hiroki Obata
    Department of Life Sciences, Graduate School of Arts and Sciences, Sports Science Laboratory, The University of Tokyo, Meguro ku, Tokyo, Japan
    J Electromyogr Kinesiol 20:55-60. 2010
  8. ncbi request reprint Counteractive relationship between the interaction torque and muscle torque at the wrist is predestined in ball-throwing
    Masaya Hirashima
    Department of Life Sciences Sports Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo 153 8902, Japan
    J Neurophysiol 90:1449-63. 2003
  9. doi request reprint Enhanced excitability of the corticospinal pathway of the ankle extensor and flexor muscles during standing in humans
    Hiroki Obata
    Department of Life Science, Graduate School of Arts and Sciences, University of Tokyo, Meguro ku, Tokyo, Japan
    Exp Brain Res 197:207-13. 2009
  10. ncbi request reprint Time-series pattern changes related to movement rate in synchronized human tapping
    Hiroshi Kadota
    Laboratory of Sports Sciences, Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3 8 1 Komaba, Meguro, Tokyo 153 8902, Japan
    Neurosci Lett 370:97-101. 2004

Detail Information

Publications19

  1. doi request reprint Music performance anxiety in skilled pianists: effects of social-evaluative performance situation on subjective, autonomic, and electromyographic reactions
    Michiko Yoshie
    Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Meguro ku, Tokyo, 153 8902, Japan
    Exp Brain Res 199:117-26. 2009
    ....
  2. ncbi request reprint Control of 3D limb dynamics in unconstrained overarm throws of different speeds performed by skilled baseball players
    Masaya Hirashima
    Department of Life Sciences Sports Sciences Graduate School of Arts and Sciences, University of Tokyo, 3 8 1 Komaba, Meguro ku, Tokyo 153 8902, Japan
    J Neurophysiol 97:680-91. 2007
    ..These results indicates that skilled ball throwers adopted a hierarchical control in which the proximal muscle torques created a dynamic foundation for the entire limb motion and beneficial interaction torques for distal joint rotations...
  3. ncbi request reprint Relationship between muscle cocontraction and proficiency in whole-body sensorimotor synchronization: a comparison study of street dancers and nondancers
    Akito Miura
    Department of Life Sciences, Graduate School of Arts and Sciences, University of Tokyo, Tokyo, Japan
    Motor Control 17:18-33. 2013
    ..These results show that the level of muscle cocontraction in the lower limbs during whole-body sensorimotor synchronization movement is associated with the degree of proficiency of the movement...
  4. doi request reprint Exploring the mechanism of skilled overarm throwing
    Masaya Hirashima
    Graduate School of Education, The University of Tokyo, Japan
    Exerc Sport Sci Rev 36:205-11. 2008
    ....
  5. doi request reprint Aging effects on posture-related modulation of stretch reflex excitability in the ankle muscles in humans
    Hiroki Obata
    Sports Science Laboratory, Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Japan
    J Electromyogr Kinesiol 22:31-6. 2012
    ....
  6. pmc Intrinsic constraint of asymmetry acting as a control parameter on rapid, rhythmic bimanual coordination: a study of professional drummers and nondrummers
    Shinya Fujii
    Department of Physical and Health Education, Graduate School of Education, The University of Tokyo, Tokyo, Japan
    J Neurophysiol 104:2178-86. 2010
    ..These results support the hypothesis indicating that the prominent bimanual coordination pattern emerges spontaneously after a nonspecific change in Δω or symmetry restoration of the nonlinear dynamical systems...
  7. doi request reprint Age-related changes of the stretch reflex excitability in human ankle muscles
    Hiroki Obata
    Department of Life Sciences, Graduate School of Arts and Sciences, Sports Science Laboratory, The University of Tokyo, Meguro ku, Tokyo, Japan
    J Electromyogr Kinesiol 20:55-60. 2010
    ..The present results indicate that the stretch reflexes of each of the ankle antagonistic muscles are affected differently by aging, which might have relevance to the neural properties of each muscle...
  8. ncbi request reprint Counteractive relationship between the interaction torque and muscle torque at the wrist is predestined in ball-throwing
    Masaya Hirashima
    Department of Life Sciences Sports Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo 153 8902, Japan
    J Neurophysiol 90:1449-63. 2003
    ....
  9. doi request reprint Enhanced excitability of the corticospinal pathway of the ankle extensor and flexor muscles during standing in humans
    Hiroki Obata
    Department of Life Science, Graduate School of Arts and Sciences, University of Tokyo, Meguro ku, Tokyo, Japan
    Exp Brain Res 197:207-13. 2009
    ....
  10. ncbi request reprint Time-series pattern changes related to movement rate in synchronized human tapping
    Hiroshi Kadota
    Laboratory of Sports Sciences, Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3 8 1 Komaba, Meguro, Tokyo 153 8902, Japan
    Neurosci Lett 370:97-101. 2004
    ..We inferred that this change in the coordination pattern reflects the transition between different states in human synchronization movements with an external signal...
  11. ncbi request reprint Selective activation and deactivation of the human brain structures between speeded and precisely timed tapping responses to identical visual stimulus: an fMRI study
    Kazutoshi Kudo
    Department of Life Sciences, Laboratory of Sports Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
    Neuroimage 22:1291-301. 2004
    ..This inter- and intramodal task-specific modification including deactivation underscores significance of the context for perception and action and can have an important role in dexterous or skilled performance...
  12. doi request reprint Motor/autonomic stress responses in a competitive piano performance
    Michiko Yoshie
    Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
    Ann N Y Acad Sci 1169:368-71. 2009
    ..The results provide important practical implications for enhancing performance quality as well as preventing playing-related musculoskeletal disorders in musicians...
  13. ncbi request reprint A new non-orthogonal decomposition method to determine effective torques for three-dimensional joint rotation
    Masaya Hirashima
    Department of Life Sciences Sports Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3 8 1 Komaba, Meguro ku, Tokyo 153 8902, Japan
    J Biomech 40:871-82. 2007
    ....
  14. ncbi request reprint Relationship between muscle cocontraction and proficiency in whole-body sensorimotor synchronization: a comparison study of street dancers and nondancers
    Akita Miura
    Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
    Motor Control 17:18-33. 2013
    ..These results show that the level of muscle cocontraction in the lower limbs during whole-body sensorimotor synchronization movement is associated with the degree of proficiency of the movement...
  15. doi request reprint Coordination modes in sensorimotor synchronization of whole-body movement: a study of street dancers and non-dancers
    Akito Miura
    Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Japan
    Hum Mov Sci 30:1260-71. 2011
    ..These findings suggest that down and up movements are two distinguishable coordination modes in whole-body coordination, and that street dancers have superior whole-body SMS ability...
  16. doi request reprint Variability and fluctuation in running gait cycle of trained runners and non-runners
    Yosuke Nakayama
    Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
    Gait Posture 31:331-5. 2010
    ..These results suggest that expert runners can reduce variability in the trained movement without loosing dynamical degrees of freedom for spatiotemporal organization of the gait pattern...
  17. ncbi request reprint 'Initial state' coordinations reproduce the instant flexibility for human walking
    Akane Ohgane
    Department of Life Sciences, The University of Tokyo, Komaba 3 8 1, Tokyo, 153 8902, Japan
    Biol Cybern 93:426-35. 2005
    ..We hypothesize that flexibility is achieved by modulating the posture at the beginning of the stance phase-the initial state. Using a walking model, we validate our hypothesis through computer simulations...
  18. ncbi request reprint The effect of visual transformation on bimanual circling movement
    Saeka Tomatsu
    Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3 8 1 Komaba, Meguro ku, Tokyo 153 8902, Japan
    Exp Brain Res 166:277-86. 2005
    ..The effect size of visual transformation was larger in the 90 degrees and 270 degrees modes than in the 180 degrees mode. It is thus concluded that the effect of visual transformation depends upon the difficulty of the movement task...
  19. ncbi request reprint Hysteresis in corticospinal excitability during gradual muscle contraction and relaxation in humans
    Toshitaka Kimura
    Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3 8 1 Komaba, Meguro ku, 153 8902 Tokyo, Japan
    Exp Brain Res 152:123-32. 2003
    ..This suggests that corticospinal excitability modulation depends not only on concurrent spinal motoneuronal activity and muscle tension but also on the time-series pattern of their changes during muscle contraction and relaxation...