Effect of a respiratory snorkel and valve system on front crawl kinematics during standardised pool testing - Keskinen, K.; Keskinen, O.; Rodriguez, F. (Book of abstracts of the 6th annual congress of the European College of Sport Science, 15th congress of the German Society of Sport Science. Cologne, 24-28 July 2001, 2001)
Keywords: swimming; freestyle swimming; performance diagnostics; gas metabolism; auxiliary device; Germany; endurance sports