Blar i Institutt for natur, helse og miljø på forfatter "Johansen, Jan-Michael"
-
Aerobic and anaerobic speed predicts 800-m running performance in young recreational runners
Støren, Øyvind; Helgerud, Jan; Johansen, Jan-Michael; Gjerløw, Lars Erik; Aamlid, Aanund; Støa, Eva Maria (Peer reviewed; Journal article, 2021)The main aim was to investigate the impact of maximal aerobic speed (MAS), maximal anaerobic speed (MANS), and time to exhaustion (TTE) at 130% MAS, on 800-m running time performance (800TT). A second aim was to investigate ... -
Improving Utilization of Maximal Oxygen Uptake and Work Economy in Recreational Cross-Country Skiers With High-Intensity Double-Poling Intervals
Johansen, Jan-Michael; Eriksen, Sondre; Sunde, Arnstein; Slettemeås, Øystein; Helgerud, Jan; Støren, Øyvind (Journal article; Peer reviewed, 2020)Purpose: To investigate the effect of a double-poling (DP) high-intensity aerobic interval-training (HIT) intervention performed without increasing total HIT volume. This means that regular HIT training (eg, running) was ... -
No change – no gain; The effect of age, sex, selected genes and training on physiological and performance adaptations in cross-country skiing
Johansen, Jan-Michael; Goleva-Fjellet, Sannija; Sunde, Arnstein; Gjerløw, Lars Erik; Skeimo, Lars Arne Fostvedt; Freberg, Baard Ingegerdsson; Sæbø, Mona; Helgerud, Jan; Støren, Øyvind (Peer reviewed; Journal article, 2020)The aim was to investigate the effect of training, sex, age and selected genes on physiological and performance variables and adaptations before, and during 6 months of training in well-trained cross-country skiers. ...