Why the study?
Does sprint interval training improve insulin sensitivity and peak oxygen uptake similarly to moderate-intensity continuous training in sedentary men?
Population
25 sedentary men, mean age 27±8 years, BMI 26±6 kg/m2.
Comparison
Sprint interval training involving 3x20-second… vs Moderate-intensity continuous training involving…
Design
Cohort
Follow-up
12 weeks
Key result
Sprint interval training increased peak oxygen uptake by 19% and improved insulin sensitivity to the same extent as moderate-intensity continuous training despite a five-fold lower exercise volume.
Authors
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May support time-efficient sprint training for fitness and insulin sensitivity gains in sedentary men; hypothesis-generating and needs larger randomized confirmation.
RCT (n=27)
Open-label
No
Does sprint interval training improve insulin sensitivity and peak oxygen uptake similarly to moderate-intensity continuous training in sedentary men?
Absolute Event Rate: 38% vs 40%
p-value: p=<0.001
Sprint interval training provides similar cardiometabolic benefits to traditional endurance training in sedentary men despite a five-fold lower exercise volume and time commitment.
Gillen et al. (2016) conducted an RCT in Sedentary (n=27). Sprint interval training (SIT) vs. Moderate-intensity continuous training (MICT) and non-training control was evaluated on Peak oxygen uptake (VO2peak) (p=<0.001). Sprint interval training increased peak oxygen uptake by 19% and improved insulin sensitivity to the same extent as moderate-intensity continuous training despite a five-fold lower exercise volume.