Similar metabolic adaptations during exercise after low volume sprint interval and traditional endurance training in humans
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...Even when total training time and energy expenditure have been reduced by 80% and 90%, respectively, improvements of VO2max, muscle oxidative capacity, and insulin sensitivity are comparable to traditional aerobic training (Burgomaster et al., 2008; Babraj et al., 2009)....
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...We have also directly compared 6 weeks of Wingate-based HIT with traditional endurance training that was designed according to current public health guidelines (Table 1) (Burgomaster et al. 2008; Rakobowchuk et al. 2008)....
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...Redrawn from Burgomaster et al. (2008) with permission....
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...Another study showed that 6 weeks of Wingate-based HIT increased V̇O2peak to the same extent as traditional endurance training despite a markedly reduced time commitment and total training volume (Burgomaster et al. 2008)....
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...Six weeks of Wingate-based HIT increased the protein content of PGC-1 by ∼100% in young, healthy individuals (Burgomaster et al. 2008) and 2 weeks of 10 × 1 min HIT resulted in a ∼25% increase in nuclear PGC-1 protein (Little et al. 2010b)....
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...…whole-body and skeletal muscle lipid oxidation, enhanced peripheral vascular structure and function, improved exercise performance as measured by time-to-exhaustion tests or time trials and increased maximal oxygen uptake (Burgomaster et al. 2005, 2008; Gibala et al. 2006; Rakobowchuk et al. 2008)....
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"Similar metabolic adaptations durin..." refers methods in this paper
...Total protein content of all homogenates was determined by the method of Bradford (1976) and enzyme activities are expressed as moles per kilogram of protein per h....
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"Similar metabolic adaptations durin..." refers background or methods or result in this paper
...The present results confirm and extend our recent findings (Gibala et al. 2006a) of similar increases in muscle oxidative capacity and volitional exercise performance after six sessions of SIT or ET over 2 weeks....
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...The SIT protocol was modelled on previous work in our laboratory and consisted of four to six 30 s ‘all out’ cycling tasks performed three times per week for 6 weeks (Burgomaster et al. 2006; Gibala et al. 2006a)....
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...…numerous studies have shown that brief, repeated sessions of ‘all out’ high-intensity or sprint-type interval training (SIT) elicits changes in skeletal muscle energy metabolism that resemble traditional endurance training (ET) (Henriksson & Reitman, 1976; Saltin et al. 1976; Gibala et al. 2006a)....
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...Consistent with this interpretation, in a preliminary report we (Gibala et al. 2006b) showed activation of AMPK and p38 MAPK in response to an acute session of Wingate-based exercise training....
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...It is interesting that the relative increase in maximal activity of CS after 6 weeks in the present study (∼25% in both groups) was similar to that observed for COX after 2 weeks in our previous study (Gibala et al. 2006a)....
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1,063 citations
"Similar metabolic adaptations durin..." refers methods in this paper
...…(Polar Electro, Woodbury, NY, USA) and expired gases were collected for the determination of V̇O2 , V̇CO2 and respiratory exchange ratio (RER) using a metabolic cart (Moxus Modular VO2 System) and used to estimate rates of whole-body fat and carbohydrate oxidation (Peronnet & Massicotte, 1991)....
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