Changes in physical fitness profile during the competitive season in elite bandy players

von Häkkinen, Keijo (Autor), ... Sinnemaeki, Petri (Autor)
Erschienen in The Journal of sports medicine and physical fitness, 31 (1991), 1, S. 37-43, Lit.

Effects of strength vs. endurance training and their combination on physical performance characteristics in female horseback riders

von Hyttinen, Anne-Maarit (Autor), ... Häkkinen, Keijo (Autor)
Erschienen in The Journal of sports medicine and physical fitness, 60 (2020), 6, S. 814-822, Lit.

Physical fitness profile in female horseback riders

von Hyttinen, Anne-Maarit (Autor), ... Häkkinen, Keijo (Autor)
Erschienen in The Journal of sports medicine and physical fitness, 59 (2019), 12, S. 1944-1950, Lit.

Cardiorespiratory and neuromuscular responses to motocross riding

von Konttinen, Tomi (Autor), ... Kyröläinen, Heikki (Autor), Häkkinen, Keijo (Autor)
Erschienen in Journal of strength and conditioning research, 22 (2008), 1, S. 202-209, Lit.

Cardiopulmonary loading in motocross riding

von Konttinen, Tomi (Autor), ... Häkkinen, Keijo (Autor), Kyröläinen, Heikki (Autor)
Erschienen in Journal of sports sciences, 25 (2007), 9, S. 995-999, Lit.

Fatigue in a simulated cross-country skiing sprint competition

von Vesterinen, Ville (Autor), ... Mikkola, Jussi (Autor), Nummela, Ari (Autor), Hynynen, Esa (Autor), Häkkinen, Keijo (Autor)
Erschienen in Journal of sports sciences, 27 (2009), 10, S. 1069-1077, Lit.

Cardiac autonomic function reveals adaptation to military training

von Huovinen, Jukka (Autor), ... Kyröläinen, Heikki (Autor), Linnamo, Vesa (Autor), Tanskanen, Minna (Autor), Kinnunen, Hannu (Autor), Häkkinen, Keijo (Autor), Tulppo, Mikko (Autor)
Erschienen in European journal of sport science, 11 (2011), 4, S. 231-240, Lit.

Combined aerobic and resistance training decreases inflammation markers in healthy men

von Ihalainen, Johanna K. (Autor), ... Schumann, Moritz (Autor), Eklund, Daniela (Autor), Hämäläinen, Mari (Autor), Moilanen, Eeva (Autor), Paulsen, G. (Autor), Häkkinen, Keijo (Autor), Mero, Antti A. (Autor)
Erschienen in Scandinavian journal of medicine & science in sports, 28 (2018), 1, S. 40-47, Lit.