Concurrent endurance and explosive type strength training increases activation and fast force production of leg extensor muscles in endurance athletes

von Mikkola, Jussi S. (Autor), ... Rusko, Heikki K. (Autor), Nummela, Ari T. (Autor), Paavolainen, Leena M. (Autor), Häkkinen, Keijo (Autor)
Erschienen in Journal of strength and conditioning research, 21 (2007), 2, 613-620, Lit.

Scientific evaluation of specific loading of the knee extensors with variable resistance, isokinetic and barbell exercises

von Häkkinen, Keijo (Autor), ... Komi, Paavo V. (Autor), Kauhanen, Heikki (Autor), Marconnet, Pierre (Hrsg.), Komi, Paavo V. (Hrsg.)
Erschienen in Muscular function in exercise and training, Basel: Karger (Verlag), 1987, S. 224-237, Lit.

Training-induced changes in daily energy expenditure: Methodological evaluation using wrist-worn accelerometer, heart rate monitor, and doubly labeled water technique

von Kinnunen, Hannu (Autor), ... Häkkinen, Keijo (Autor), Schumann, Moritz (Autor), Karavirta, Laura (Autor), Westerterp, Klaas R. (Autor), Kyröläinen, Heikki (Autor)
Erschienen in PLoS one / Public Library of Science, 14 (2019), 7, Art.-ID e0219563, [19 S.], Lit.

High responders to hypertrophic strength training also tend to lose more muscle mass and strength during detraining than low responders

von Räntilä, Aapo (Autor), ... Ahtiainen, Juha P. (Autor), Avela, Janne (Autor), Restuccia, Joel (Autor), Kidgell, Dawson (Autor), Häkkinen, Keijo (Autor)
Erschienen in Journal of strength and conditioning research, 35 (2021), 6, S. 1500-1511, Lit.

High responders to hypertrophic strength training also tend to lose more muscle mass and strength during detraining than low responders : erratum

von Räntilä, Aapo (Autor), ... Ahtiainen, Juha P. (Autor), Avela, Janne (Autor), Restuccia, Joel (Autor), Kidgell, Dawson (Autor), Häkkinen, Keijo (Autor)
Erschienen in Journal of strength and conditioning research, 38 (2024), 4, S. 639, Lit.

Effects of endurance training only versus same-session combined endurance and strength training on physical performance and serum hormone concentrations in recreational endurance r...

von Schumann, Moritz (Autor), ... Mykkänen, Olli-Pekka (Autor), Doma, Kenji (Autor), Mazzolari, Raffaele (Autor), Nyman, Kai (Autor), Häkkinen, Keijo (Autor)
Erschienen in Applied physiology, nutrition, and metabolism, 40 (2015), 1, S. 28-36, Lit.

Effects of combined strength and endurance training on physical performance and biomarkers of healthy young women

von Kyröläinen, Heikki (Autor), ... Hackney, Anthony Carl (Autor), Salminen, Riikka (Autor), Repola, Johanna (Autor), Häkkinen, Keijo (Autor), Haimi, Jari (Autor)
Erschienen in Journal of strength and conditioning research, 32 (2018), 6, S. 1554-1561, Lit.

Effects of endurance training only versus same-session combined endurance and strength training on physical performance and serum hormone concentrations in recreational endurance r...

von Schumann, Moritz (Autor), ... Mykkänen, Olli-Pekka (Autor), Doma, Kenji (Autor), Mazzolari, Raffaele (Autor), Nyman, Kai (Autor), Häkkinen, Keijo (Autor)
Erschienen in Applied physiology, nutrition, and metabolism, 40 (2015), 1, S. 28-36, Lit.

Acute endocrine and force responses and long-term adaptations to same-session combined strength and endurance training in women

von Eklund, Daniela (Autor), ... Schumann, Moritz (Autor), Kraemer, William J. (Autor), Izquierdo, Mikel (Autor), Taipale, Ritva S. (Autor), Häkkinen, Keijo (Autor)
Erschienen in Journal of strength and conditioning research, 30 (2016), 1, S. 164-175, Lit.

Four weeks of optimal load ballistic resistance training at the end of season attenuates declining jump performance of women volleyball players

von Newton, Robert U. (Autor), ... Rogers, Ryan A. (Autor), Volek, Jeff S. (Autor), Häkkinen, Keijo (Autor), Kraemer, William J. (Autor)
Erschienen in Journal of strength and conditioning research, 20 (2006), 4, S. 955-961, 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.

Acute neuromuscular and metabolic responses to combined strength and endurance loadings : the “order effect” in recreationally endurance trained runners

von Taipale, Ritva S. (Autor), ... Schumann, Moritz (Autor), Mikkola, Jussi (Autor), Nyman, Kai (Autor), Kyröläinen, Heikki (Autor), Nummela, Ari (Autor), Häkkinen, Keijo (Autor)
Erschienen in Journal of sports sciences, 32 (2014), 12, S. 1155-1164, Lit.

The order effect of combined endurance and strength loadings on force and hormone responses

von Schumann, Moritz (Autor), ... Walker, Simon (Autor), Izquierdo, Mikel (Autor), Newton, Robert U. (Autor), Kraemer, William J. (Autor), Häkkinen, Keijo (Autor)
Erschienen in European journal of applied physiology, 114 (2014), 4, S. 867-880, Lit.

The repeated bout effect of typical lower body strength training sessions on sub-maximal running performance and hormonal response

von Doma, Kenji (Autor), ... Schumann, Moritz (Autor), Sinclair, Wade H. (Autor), Leicht, Anthony S. (Autor), Deakin, Glen B. (Autor), Häkkinen, Keijo (Autor)
Erschienen in European journal of applied physiology, 115 (2015), 8, S. 1789-1799, Lit.

Kinematics, Kinetics, and muscle activitation during explosive upper body movements

von Newton, Robert U. (Autor), ... Kraemer, William J. (Autor), Häkkinen, Keijo (Autor), Humphries, Brendan J. (Autor), Murphy, Aron J. (Autor)
Erschienen in Journal of applied biomechanics, 12 (1996), 1, S. 31-43, Lit.

Increased fascicle length but not patellar tendon stiffness after accentuated eccentric-load strength training in already-trained men

von Walker, Simon (Autor), ... Trezise, Joanne (Autor), Haff, Guy Gregory (Autor), Newton, Robert U. (Autor), Häkkinen, Keijo (Autor), Blazevich, Anthony J. (Autor)
Erschienen in European journal of applied physiology, 120 (2020), 11, S. 2371-2382, Lit.

Neuromuscular adaptations to combined strength and endurance training : order and time-of-day

von Küüsmaa-Schildt, Maria (Autor), ... Eklund, Daniela (Autor), Avela, Janne (Autor), Rytkönen, Tuomas (Autor), Newton, Robert (Autor), Izquierdo, Mikel (Autor), Häkkinen, Keijo (Autor)
Erschienen in International journal of sports medicine, 38 (2017), 9, S. 707-716, Lit.

Biomechanics of double poling when skiing on snow and using an ergometer

von Halonen, Juho (Autor), ... Ohtonen, Olli (Autor), Lemmettylä, Teemu (Autor), Lindinger, Stefan Josef (Autor), Rapp, Walter (Autor), Häkkinen, Keijo (Autor), Linnamo, Vesa (Autor)
Erschienen in Science and skiing VI : 6th international congress on science and skiing, St. Christoph/Arlberg, Austria, December 14-19, 2013, Aachen, Maidenhead: 2015, S. 387-395, Lit.

Effects of strength training on submaximal and maximal endurance performance capacity in middle-aged and older men

von Izquierdo, Mikel (Autor), ... Häkkinen, Keijo (Autor), Ibáñez, Javier (Autor), Antón, Alazne (Autor), Garrués, Miriam (Autor), Ruesta, Maite (Autor), Gorostiaga, Esteban M. (Autor)
Erschienen in Journal of strength and conditioning research, 17 (2003), 1, S. 129-139, Lit.

Effects of strength training on muscle strength characteristics, functional capabilities, and balance in middle-aged and older women

von Holviala, Jarkko H.S. (Autor), ... Sallinen, Janne M. (Autor), Kraemer, William J. (Autor), Alen, Markku J. (Autor), Häkkinen, Keijo K.T. (Autor)
Erschienen in Journal of strength and conditioning research, 20 (2006), 2, S. 336-344, Lit.