Studying quietly…
[Books]
5. Hirakawa, T., Body motion as complex system. Japanese Society of Sport Psychology (Ed.), 20xx (in Press), Taishukan Publishing: Tokyo, pp.xx-xx. [in Japanese]
4. Hirakawa, T., Dynamical sytems approach. Araki, M. and Yamamoto, S. (Eds.), Sport psychology to learn from today [Korekara manabu sport psychology] 3rd., 2023 Mar., Taishukan Publishing: Tokyo, pp.46-49. [in Japanese]
3. Hirakawa, T., Learning stage captured from dgrees of freedom. Nakagomi, S., Ito, T., and Yamamoto, Y. (Eds.), Sport Psychology at a glance [Yokuwakaru Sport Psychology]，2012 Mar.，Minervashobo: Kyoto, pp.58-59. [in Japanese]
2. Hirakawa, T., Observational/Imitational learning. Nakagomi, S., Ito, T., and Yamamoto, Y. (Eds.), Sport Psychology at a glance [Yokuwakaru Sport Psychology]，2012 Mar., Minervashobo: Kyoto, pp.60-61. [in Japanese]
1. Hirakawa, T., Optical flow and motor control. Fumoto, N. (Ed.), Learning and control of motor behavior, 2006 Oct., Kyorinshoin: Kyoto, pp.201-202. [in Japanese]
[Encyclopedia]
1. Hirakawa, T., Knowledge of Result/Performance. Japanese Society of Sport Psychology (Ed.), Encyclopedia of Sport Psychology, 2008 Dec., Taishukan Publishing: Tokyo, pp.193-200. [in Japanese]
[Articles]
(not classify in Review/Original/misc)
30. Hirakawa, T. and Yamada, N., Race pace design applied by analysis for race pace of 50km racewalking medalists, 2023(in proofreading), xx, x-xx.
29. Hirakawa, T., Historical transitions in use of variability in research on motor learning, 2022 Mar., Bulletin of Osaka University of Health and Sport Sciences, 53, 1-15.
28. Hirakawa, T., Ooba, K., and Yamada, H., Changes of international athletic ability with three-world model at the Summer Olympic Games, 2022 Mar., Bulletin of Osaka University of Health and Sport Sciences, 53, 47-63.
27. Hirakawa, T., Ooba, K., and Yamada, H., Practical research for physical education class at university with prevention of infectious diseases to COVID-19, 2022 Feb., Annual Reports of National Institute of Technology, Toba College, 44, 46-59.
26. Hirakawa, T., Ooba, K., and Yamada, H., Stressors and stress responses of students in higher education institution of during periods of both remote and classroom education, 2021 Sep., Memoirs of National Institute of Technology, Oita College, 58, 9-15.
25. Hibino, T., Hirakawa, T., and Yamada, N., Possible time ranges for change of choice in basketball air phase, 2019 Mar., Bulletion of Research Institute of Health and Sport Sciences Chukyo Univ., 33, 65-71.
24. Hirakawa, T. and Yamamoto, Y., Regular relationship between switching-time lengths and transition states for switching three movement patterns, 2018 Jun., ACADEMIA Humanities and Natural Sciences, 16, 119-139.
23. Hirakawa, T., Suzuki, H., Gohara, K., and Yamamoto, Y.，Inverse Proportional Relationship Between Switching-time Length and Fractal-like Structure for Continuous Tracking Movement，2017 Dec., International Journal of Bifurcation and Chaos, 27(12), 1730040.
22. Hirakawa, T., Stability of coordination pattern between upper and lower limbs of race walking maintained during gradually increased walking speed conditions, 2017 Jan., ACADEMIA Humanities and Natural Sciences, 13, 133-147.
21. Hirakawa, T., Suzuki, H., Okumura, M., Gohara, K., and Yamamoto, Y.，Switching Dynamics Between Two Movement Patterns Varies According to Time Interval，2016 Sep., International Journal of Bifurcation and Chaos, 26(10), 1630026.
20. Hirakawa, T., Regular relationship between switching time length and throwing motion patterns toward the left and the right, 2016 Jun., ACADEMIA Humanities and Natural Sciences, 12, 105-115.
19. Hirakawa, T., Fluctuation and stability of handle-pull-force with a difference in strokerate, 2015 Jun., ACADEMIA Humanities and Natural Sciences, 10, 119-135.
18. Hirakawa, T., Long-range correlations and 1/f type fluctuation of the rowing cycle by trained rowers, 2015 Jan., ACADEMIA Humanities and Natural Sciences, 9, 99-114.
17. Hirakawa, T., Change of coordination patterns during a 1000-m time trial on a floating rowing machine, 2014 Jun., ACADEMIA Humanities and Natural Sciences, 8, 89-112.
16. Hirakawa, T., The relationship between handle velocity pattern and periodic stability during a 1000-m time trial on a rowing machine, 2014 Jan., ACADEMIA Humanities and Natural Sciences, 7, 69-85.
15. Hirakawa, T., Endo, T., and Miyashita, K., Effects of Haltéres to lengthen leap distance in the Ancient long jump, 2013 Jun., ACADEMIA Humanities and Natural Sciences, 6, 71-84.
14. Hirakawa, T., Understanding motor learning in physical education and sports: Learning dynamics approach based on dynamical systems theory, 2013 Jan., ACADEMIA Humanities and Natural Sciences, 5, 161-173.
13. Hirakawa, T., Change in pace during international 50-km race-walking competitions, 2012 Dec., Research Quarterly for Athletics, 91(4), 33-40.
12. Hirakawa, T. and Yamamoto, Y., Graded changes in the relative phase between upper arm and thigh, and shank of race walkers caused by a gradual increase in treadmill velocity, 2011 Jun., Research Quarterly for Athletics, 85(2), 12-22.
11. Hirakawa, T. and Yamamoto, Y., Difference in rowing patterns by skill levels during early and later periods of 2000m time trial on rowing ergometer, 2011 Jun., ACADEMIA Humanities and Natural Sciences, 2, 83-96.
10. Okumura, M., Onaka, E.M., Kouda, K, Hirakawa, T., and Arita, Y., Dropout problem and coaching method revision for beginners in Brazil Kendo, 2009 Sep., Research Journal of Physical Arts, 14/15(1), 31-45.
9. Hagiwara, T., Hirakawa, T., and Naruse, K., Trends in participation in sports day as a leisure activity, 2008 Mar., Bulletin of Sport and Physical Education Center, the University of Tsukuba, 30, 35-47.
8. Hirakawa, T., Kawai, T., and Hagiwara, T., Adjustment to extracurricular sport activities in varsity students, 2008 Jan., ACADEMIA Natural Science and Health and Physical Education, 14, 75-89.
7. Kawai, T., Hirakawa, T. et al., The relation between the lifestyle satisfaction level and university sports club union participant’s belonging department, gender, grade., 2007 Mar., Bulletin of Sport and Physical Education Center, the University of Tsukuba, 29, 13-20.
6. Hirakawa, T. and Yoshida, S., Extraction of movement patterns during race walking using phase differences of joint angles, 2006 Mar., Bulletin of Studies in Athletics of JAAF, 2, 47-52.
5. Hirakawa, T. and Yoshida, S., Verbal expression utilization method in skill acquisition of race walking, 2006 Mar., Research Quarterly for Athletics, 64, 2-11.
4. Hirakawa, T. and Yoshida, S., Phase delay and smoothness of shoulder-hip motions in race walkers, 2006 Mar., Japanese Journal of Sport Psychology, 33(1), 1-13.
3. Hirakawa, T. and Yoshida, S., Regulation method of shoulder motions for smooth movements of hips in race walking, 2005 Sep., Research Quarterly for Athletics, 62, 18-27.
2. Hirakawa, T. and Yoshida, S., Skill levels and cognitive structure of movements in varsity race walkers, 2004 Apr., Japanese Journal of Sport Psychology, 30(2), 41-54.
1. Hirakawa, T. and Yoshida, S., Skill levels and control modalities in varsity race walkers, 2003 May, Japanese Journal of Sport Psychology, 29(2), 31-42.
[Reports]
19. Hirakawa, T., Historical changes in variability in researches for motor learning, 2022 Sep..
18. Hirakawa, T., Report for meeting of Japanese Motor Learning Semiar, 2022 Aug., Annual Report of Physical Education Psychology, 34, 39-40.
17. Hirakawa, T., Acquisition process for cup and ball skills, 2021 Jul., Annual Report of the Japanese Motor Learning Seminar, 27, 20-23.
16. Hirakawa, T., Report for meeting of Japanese Motor Learning Semiar, 2019 Aug., Annual Report of Physical Education Psychology, 31, 33.
15. Hirakawa, T., Report for 3rd social gathering, 2019 Sep., Report for Nanzan Univ. Institute of Social Ethics [Jihou Sharinken], 12, Nanzan Univ. Institute of Social Ethics, 18-20.
14. Hirakawa, T., Possibility of motor learning with inexpensive wearable devices, 2017 Aug., Annual Report of the Japanese Motor Learning Seminar, 25, 64-68.
13. Hirakawa, T., Stability of steering wheel traction force due to stroke rate difference, 2015 Aug., Annual Report of the Japanese Motor Learning Seminar, 23, 49-51.
12. Hirakawa, T., Changes in coordination patterns in machine rowing, 2013 Nov., Annual Report of the Japanese Motor Learning Seminar, 22, 41-46.
11. Hirakawa, T., Regularity of continuous pointing movement., 2012 Nov., Annual Report of the Japanese Motor Learning Seminar, 21, 40-43.
10. Hirakawa, T., Overseas studying report: Studying abroad for research at Paul Sabatier University, 2012 Jun., Bulletin of Tokai Society of Physical Education, 85, 25-29.
9. Hirakawa, T., Differences in ground reaction force according to walking distance in racewalking, 2007 Nov., Annual Report of the Japanese Motor Learning Seminar, 17, 40-43.
8. Komata, K., Horide, C., Takagi, H., Hirakawa, T., Sakamoto, M., and Miyashita, K., New composition of a snowboard group in ski classes, 2007 Mar., Bulletin of Sport and Physical Education Center, the University of Tsukuba, 29, 61-67.
7. Hirakawa, T., Relationship between center of gravity and leap distance in ancient standing long jump, 2006 Nov., Annual Report of the Japanese Motor Learning Seminar, 16, 46-48.
6. Hirakawa, T., Skill learning by freezing and freeing degrees of freedom in racewalking, 2004 Nov., Annual Report of the Japanese Motor Learning Seminar, 14, 44-48.
5. Hirakawa, T., Characteristics of trunk movements in racewalking, 2003 Nov., Annual Report of the Japanese Motor Learning Seminar, 13, 82-88.
4. Hirakawa, T., How to feel body axis, 2002 May, Annual Report of the Japanese Motor Learning Seminar, 12, 104-108.
3. Hirakawa, T., Report for The Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2002 Jan., Journal of Health, Physical Education, Recreation, 52(1), 63-66.
2. Hirakawa, T., Process of change in motor images in racewalking, 2001 Jul., Annual Report of the Japanese Motor Learning Seminar, 11, 104-108.
1. Hirakawa, T., Differences of subjective information on body parts by racewalking competitiveness levels, 1997 Nov., Annual Report of the Japanese Motor Learning Seminar, 7, 86-91.
[Conference presentations]
(not classify in Oral/Poster)
36. Hirakawa, T. and Shimokawa, M., Extraction of features of the men’s handball final at the Summer Olympics in Rio and Tokyo using a complex network, The 72th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2022 Sep. 2, Juntendo Univ..
35. Hirakawa, T., Yamamoto, K., and Okano, M., Perceptual motor control and learning in rhythmic movement, The 48th Annual Conference of Japanese Society of Sport Psychology, 2021 Nov. 27, Nihon Univ..
34. Hirakawa, T., Changes in international competitiveness at the Summer Olympics due to changes in national economic policies, The 71th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2021 Sept., Univ. Tsukuba.
33. Hirakawa, T., General mathematical model for pacing design in 50km racewalking, The 47th Annual Conference of Japanese Society of Sport Psychology, 2020 Nov. 21, Sendai Univ..
32. Hirakawa, T., Prospects of time theory in studies of physical education, The 70th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2019 Sept. 11, Keio Univ..
31. Hirakawa, T., Suzuki, H. and Yamamoto, Y.，Skill acquisition for playing Japanese cup and ball，International Conference on Perception and Action 2019，2019 Jul. 3-6, Univ. Groningen.
30. Hibino, T., Hirakawa, T., Yamada, N., Cognition ranges for changing direction in aerial phase of basketball shooting, The 45th Annual Conference of Japanese Society of Sport Psychology, 2018 Oct. 13, Nagoya Congress Center.
29. Hirakawa, T., 1/f-type fluctuation in coincident timing control of on-offset for flexing and extending elbow motion, The 69th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2018 Aug. 24, Tokushima Univ..
28. Hirakawa, T. and Yamamoto,Y., Regular relationship between switching-time lengths and transition states for switching three movement patterns，European workshop of ecological psychology 15，2018 Jun. 13, Mantauban: FRANCE.
27. Hirakawa, T. and Yamamoto,Y., Regular relationship between transition state and switching-time-length on Poincaré section in continuous/discrete dynamical system, The 68th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2017 Sep. 9, Shizuoka Univ..
26. Hirakawa, T., 1/f-type fluctuation in coincidence timing control of on-offset for forefinger motion, The 43th Annual Conference of Japanese Society of Sport Psychology, 2016 Nov. 5, Hokusei Gakuen Univ..
25. Hirakawa, T., Stability of coordination patterns between upper arm and thigh in racewalking preserved under increasing walking speed, The 67th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2016 Aug. 26, Osaka Univ. Health and Sport Sciences.
24. Hirakawa, T., Fluctuation of Continuous Pursuit Tracking Movement Excited by Different Switching Time Length，Integrated Understanding for Emergent Property of Cooperation and Competition Dynamics，International Symposium，supported by JSPS KAKENHI 24240085, 25242059, and 20240060，2016 Mar. 3, Univ. Tokyo.
23. Hirakawa, T., Long-term correlation and 1/f type fluctuation of rowing cycle by rowers, The 66th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2015 Aug. 25, Kokushikan Univ..
22. Hirakawa, T., Change of Coordination Patterns during a 1000-m Time Trial on a Floating Rowing Machine，The 7th Asian-South Pacific Association of Sport Psychology International Congress，2014 Aug. 8, Tokyo.
21. Hirakawa, T., Transformation from past to present in motor learning researches, The 2013 Seminar of Tokai Society of Physical Education, 2013 Dec. 7, Aichi Inst. Tech..
20. Hirakawa, T. and Yamamoto, Y., Regularity in time Intervals and motor output in choice-tracking tasks, The 40th Annual Conference of Japanese Society of Sport Psychology, 2013 Nov. 3, Nippon Sport Science Univ..
19. Hirakawa, T., Differences in handle speed patterns at the beginning, middle, and end of 1000m rowing on a static/floating machine, The 64th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2013 Aug. 30, Ritsumeikan Univ..
18. Hirakawa, T. and Yamamoto, Y., Fractal Transition for Continuous Pointing Movements Characterized by the Switching Time Length，Progress in Motor Control VIII，2011 Jul. 23, Cincinnati:OH．
17. Hirakawa, T., Relationship between walking distance and ground reaction force patterns in racewalkers, The 58th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2007 Sep. 6, Kobe Univ..
16. Hirakawa, T., Racewalking: Training and coaching for elite racewalkers, The 5th Annual Conference of Japan Society of Athletics, 2006 Sep. 2, Japan Women’s College of Physical Education.
15. Hirakawa, T., Endo, T., and Miyashita, K., Relationship between leap-distance and leg motion in ancient standing Long Jump, The 5th Annual Conference of Japan Society of Athletics, 2006 Sep. 1, Japan Women’s College of Physical Education.
14. Hirakawa, T., Endo, T., and Miyashita, K., Relationship between center of gravity and leap-distance in the ancient standing long jump, The 57th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2006 Aug. 20, Hirosaki Univ..
13. Hirakawa, T., Claiming the uniqueness and independence of studies for physical education and sports, The 57th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2006 Aug. 20, Hirosaki Univ..
12. Hirakawa, T., Phase Delay and Smoothness of Shoulder-hip Motions in Race Walkers， 2006 NASPSPA conference，2006 Jun. 3, Denver:CO.
11. Hirakawa, T., Yoshida, S., Delay of hip-knee phase pattern in racewalking with increasing speed, The 56th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2005 Nov. 26, Univ. Tsukuba.
10. Hirakawa, T., Motor skills and sense of motor control in racewalking, The 56th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2005 Nov. 24, Univ. Tsukuba.
9. Hirakawa, T. and Yoshida, S., Topological relationship between body parts in racewalking, The 32th Annual Conference of Japanese Society of Sport Psychology, 2005 Sep. 10, Waseda Univ..
8. Hirakawa, T. and Yoshida, S., Adaptation to incremental walking speed by shortening step time in racewalking, The 4th Annual Conference of Japan Society of Athletics, 2005 Sep. 3, Univ. Tsukuba.
7. Hirakawa, T. and Yoshida, S., Skill acquisition by particular hip motion in racewalking, The 31th Annual Conference of Japanese Society of Sport Psychology, 2004 Dec. 3, Osaka Municipal Central Gymnasium.
6. Hirakawa, T. and Yoshida, S., Particularity and learning process of trunk motion in racewalking, The 55th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2004 Sep. 25, Shinshu Univ..
5. Hirakawa, T. and Yoshida, S., Smoothness of trunk motion in racewalking, The 30th Annual Conference of Japanese Society of Sport Psychology, 2003 Dec. 5, Univ. Tsukuba.
4. Hirakawa, T.，Discussion for motor control and learning through motion analysis by sports technology (Motor skills and sense of motor control in racewalking), The 30th Annual Conference of Japanese Society of Sport Psychology, 2003 Dec. 5, Univ. Tsukuba.
3. Hirakawa, T. and Yoshida, S., Variability of motion and sense of body axis for racewalkers, The 54th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 2003 Sep. 28, Kumamoto Univ..
2. Hirakawa, T. and Yoshida, S., Changes of kinesthetic sensation associated with improvement of competitiveness for racewalkers, The 28th Annual Conference of Japanese Society of Sport Psychology, 2001 Nov. 21, Keio Univ..
1. Hirakawa, T., Yoshida, S., Integrations of the image of kinesthetic sensation associated with the improvement of competitiveness for racewalkers, The 49th Annual Conference of Japan Society of Physical Education, Health and Sport Sciences, 1998 Oct. 5, Ehime Univ..