article 1997 14 pages Pattern of change in the sprinting speed during sprint running Kazuyuki Ogiso, Atsuro Kushima, Toshifumi Yasui, Kiyohide Aoyama JournalJapan Journal of Physical Education, Health and Sport SciencesDOI10.5432/jjpehss.kj00003391460Populationmale and female ordinary students aged 6 to 18, and male and female sprint runners aged 9, 10, 11, and 18 View on DOI ↗