Faculty Information - WAKAYOSHI Koji

（Last updated : 2024-03-27 16:09:16）

WAKAYOSHI Koji
Department Osaka University of Economics Department of Human Sciences, Faculty of Human Sciences

Position Professor

■ Academic conference presentation

1.	2023/09/09	Comparison of tethered swimming power and force between national Japanese and nonnational Japanese water polo players (XIVth International Symposium on BIOMECHANICS AND MEDICINE IN SWIMMING 2023)
2.	2023/09	Effect of underwater balance assist buoys on the swimming performance of beginning swimmers (XIVth International Symposium on BIOMECHANICS AND MEDICINE IN SWIMMING 2023)
3.	2020	Relationship between characteristics of static streamline posture and swimming velocities of towed streamline posture (25th Annual Congress of the European College of Sport Science)

■ Books and Articles

1.	2024/03/15	Article	<Research Note> Relationship between sprint running and pedaling power measured by bicycle ergometer and body physique pp.37-53 (Collaboration)
2.	2023/09	Article	Effect of underwater balance assist buoys on the swimming performance of beginning swimmers 2023 XIVth International Symposium on Biomechanics and Medicine in Swimming Proceedings pp.609-614 (Collaboration)
3.	2023/03	Article	<Research Note> Effect of long-term onomatopoeia exercise training on children’s sprinting ability --A government-academia collaboration project between Nose Town and Osaka University of Economics-- pp.77-91 (Collaboration)
4.	2023	Article	Comparison of tethered swimming power and force between national Japanese and non national Japanese water polo players Published in XIVth International Symposium on Biomechanics and Medicine in Swimming Proceedings (2023) (Collaboration)
5.	2021/11/15	Article	Efficacy of Flotation Aids Attached to the Pelvis and Thighs of　Beginning Swimmers The International Journal of Aquatic Research and Education 13(2),pp.1-12 (Collaboration)
6.	2021/09	Article	The acute changes of sprint motions in elementary and junior high school students who participated in a running event --An intervention of sprint traininng-- pp.119-126 (Collaboration)
7.	2021	Article	Effect of Additional Buoyancy Swimsuits on Performance of Competitive Swimmers The Open Sports Sciences Journal 14,pp.98-105 (Collaboration)
8.	2020	Article	A Case Study of the New Physical Fitness Test for Fifth- and Sixth-Grade Primary Students in a School Established by Reorganization: a Fundamental Investigation for an Approach to Improve Physical Fitness pp.240-249 (Collaboration)
9.	2020	Article	Sex differences in motor performance and anaerobic peak power of Japanese primary school children aged 11 to 12 years Journal of Human Sport and Exercise (Collaboration)
10.	2020	Article	The effect of swimsuits with additional buoyancy on swimming performance of competitive swimmers The Journal of Physical Fitness and Sports Medicine (9(6)),pp.328-328 (Collaboration)
11.	2018	Article	Assisted training improves swimming performance in non-competitive collegiate swimmers Constructing a happy sport field of future generations 1,pp.61-62 (Collaboration)
12.	2018	Article	Center of mass and center of buoyancy in physically impaired swimmers XIII th International Symposium on Biomechanics and Medicine in Swimming Proceedings 23,pp.332-336 (Collaboration)
13.	2018	Article	Effect of being fully-clothed in water on the distance between the center of buoyancy and the center of mass as well as pulmonary ventilation for people involved in water-related incidents XIIIth International Symposium on Biomechanics and Medicine in Swimming Proceedings pp.449-454 (Collaboration)
14.	2018	Article	Effects of stroke rate on assisted swimming performance Constructing a happy sport field of future generations 1,pp.114-114 (Collaboration)
15.	2017/05	Article	New evaluation index for the retainability of a swimmer's horizontal posture Plos one 12(5) (Collaboration)
16.	2017	Article	Event satisfaction, leisure involvement and life satisfaction at a walking event: The mediating role of life domain satisfaction Leisure Studies 36(5),pp.605-617 (Collaboration)
17.	2015	Article	The effects of breathing on center of Buoyancy and buoyancy torque in Junior elite swimmers Proceeding of the 1st Asia-Pacific Conference on Coaching Science 1,pp.127-128 (Collaboration)
18.	2014/03	Article	The Effect of Breathing on the Distance Between Center of Buoyancy and Center of Mass in Competitive Swimmers SPORT MONT 40,41,42. XII pp.98-104 (Collaboration)
19.	2008	Article	A Method for Determining Critical Swimming Velocity Int.J of Sports Medicine 30(2),pp.119-123 (Collaboration)
20.	2006	Article	Determination and application of interval swim critical velocity and critical rest time in the 50m interval swim training Biomechanics and Medicine in Swimming X pp.321-324 (Collaboration)
21.	2005/09	Article	Hohentrainingsmabnahmen in der japanischen schwimm- Nationalmannschaft Leistungssport 5(35),pp.32-36 (Single)
22.	2003/06	Article	A comparison of finalists to semi-fanalists in the 50m swimming events at the 9th Fina World Swimming Championships Fukuoka 2001 Biomechanics and Medicine in Swimming IX pp.283-287 (Collaboration)
23.	2003/06	Article	A simplified method for determination of critical swimming velocity as a swimming fatigue index for freestyle sprinters and distance swimmers Biomechanics and Medicine in Swimming IX pp.421-426 (Collaboration)
24.	2003/06	Article	Applying an exponential model to front crawl stroke analysis Biomechanics and Medicine in Swimming IX pp.151-155 (Collaboration)
25.	2003/06	Article	Arm and leg coordination during breaststroke:Analysis of 9th Fina World Championships,Fukuoka 2001 Biomechanics and Medicine in Swimming IX pp.301-306 (Collaboration)
26.	2003/06	Article	Determination and validity of interval swim critical velocity in 50m interval training Biomechanics and Medicine in Swimming IX pp.475-480 (Collaboration)
27.	2003/06	Article	Metabolic profile during exhaustive arm stroke,leg kick and whole body swimming lasting 15 s to 10 min Biomechanics and Medicine in Swimming IX pp.361-366 (Collaboration)
28.	2003/06	Article	Repeated high altitude training for the Sydney Olympic Games Biomechanics and Medicine in Swimming IX pp.415-420 (Collaboration)
29.	2003/06	Article	Stroke characteristics of world class male swimmers in free style events of the 9th Fina World Swimming Championships 2001 Fukuoka Biomechanics and Medicine in Swimming IX pp.157-161 (Collaboration)
30.	1999	Article	Blood lactate response to various combination of swimming velocity and rest period of interval training Biomechanics and Medeicine in Swimming VIII pp.401-406 (Collaboration)
31.	1999	Article	Estimation of 200m record from 100m record with consideration of a swimmer's speciality in freestyle swimming race Medicine in Swimming VII pp.443-448 (Collaboration)
32.	1998/03	Article	Simulated front crawl swimming performance related to critical speed and critical power Med.,Sci.,Sports Exerc. 30(1),pp.144-151 (Collaboration)
33.	1996	Article	Determination and validity of critical swimming force as performance index in tethered swimming Medicine in Swimming VII,E&FN SPON,London pp.146-151 (Collaboration)
34.	1996	Article	Physiological evaluation of the 400m freestyle race Biomechanics and Medicine in Swimming,Swimming VII,E&FN SPON,London pp.208-215 (Collaboration)
35.	1996	Article	Relationship between metabolic parameters and stroking technique characteristics in front crawl Biomechanics and Medicine in Swimming,Swimming VII,E&FN SPON,London pp.152-158 (Collaboration)
36.	1995	Article	Relationship between oxygen uptake,stroke rate and swimming velocity in competitive swimming Int.J Sports Med. (16),pp.19-23 (Collaboration)
37.	1994	Article	Electromyo-graphic evidence of selective muscle fatigue during competitive swimming Medicine and Science in Aquatic Sports.Med.Sport Sci.Karger Basel (39),pp.16-23 (Collaboration)
38.	1993/01	Article	Does critical swimming velocity represent exercise intensity at maximal lactate steady state? Eur.J.Appl.Physiol. (66),pp.90-95 (Collaboration)
39.	1993	Article	Adasptations to six months of aerobic swimming:changes in velocity,stroke rate,stroke length and blood Lactate Int.J Sports Med. (14),pp.368-372 (Collaboration)
40.	1992/05	Article	The simple method for determining critical speed as swimming fatigue threshold in competitive swimming Int.J Sports Med. (13),pp.367-371 (Collaboration)
41.	1992/03	Article	Validity of critical velocity as swimming fatigue threshold in the competitive swimmer Ann.Physiol.Anthrop. (11),pp.301-307 (Collaboration)
42.	1992/02	Article	Determination and validity of critical velocity as swimming performance in the competitive swimmer Eur.J.Appl.Physiol. (64),pp.153-157 (Collaboration)
43.	1992	Article	Analysis of swimming races in the 1989 Pan Pacific Swimming Championships And 1988 Japanese Olympic Trials Biomechanics and Medicine in Swimming Biomechanics and Medicine in Swimming,Swimming Science VI,E&FN SPON,London pp.135-141 (Collaboration)
44.	1992	Article	Leg extensions power of elite swimmers Biomechanics and Medicine in Swimming,Swimming Science VI,E&FN SPON,London pp.295-299 (Collaboration)
45.	1990	Article	Swimming techniques of Japanese elite swimmers pp.521-530 (Collaboration)
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■ Academic background

1.	1998/03 Degree Acquisition	The University of Tokyo,
2.	1984/04～1986/03	〔Master Course〕, University of Tsukuba, Completed,

■ Business career

1.	2016/04～	Osaka University of Economics Faculty of Human Sciences Department of Human Sciences Professor
2.	2007/04～2016/03	Professor
3.	1999/04～2007/03	Professor
4.	1993/04～1999/03	Associate Professor
5.	1986/04～1993/03	Research Assistant

■ Present specialized field

Sports sciences

■ Acquisition patent

2022/06/01

SWIMMER POSTURE ADJUSTMENT METHOD AND SWIMMER INFORMATION MEASUREMENT DEVICE USING SAME

■ Department laboratory expense researcher number

30191729