Muscle-specific glucose and free fatty acid uptake after sprint interval and moderate-intensity training in healthy middle-aged men.

@article{Eskelinen2015MusclespecificGA,
  title={Muscle-specific glucose and free fatty acid uptake after sprint interval and moderate-intensity training in healthy middle-aged men.},
  author={Jari-Joonas Eskelinen and Ilkka Heinonen and Eliisa L{\"o}yttyniemi and Virva Saunavaara and Anna K. Kirjavainen and Kirsi A. Virtanen and Jarna C Hannukainen and Kari K Kalliokoski},
  journal={Journal of applied physiology},
  year={2015},
  volume={118 9},
  pages={1172-80}
}
We tested the hypothesis that sprint interval training (SIT) causes larger improvements in glucose and free fatty acid uptake (FFAU) in lower and upper body muscles than moderate-intensity training (MIT). Twenty-eight healthy, untrained, middle-aged men were randomized into SIT (n = 14, 4-6 × 30 s of all-out cycling/4 min recovery) and MIT groups [n = 14, 40-60 min cycling at 60% of peak O2 uptake (V̇o2 peak)] and completed six training sessions within 2 wk. Pre- and postmeasurements included V… CONTINUE READING
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