NDLI: Interval training in the boundaries of severe domain: effects on aerobic parameters

Content Provider	Springer Nature Link
Author	Turnes, Tiago Aguiar, Rafael Alves Cruz, Rogério Santos de Oliveira Caputo, Fabrizio
Copyright Year	2015
Abstract	Although time spent at $$\dot{V}$$ O2max (t@ $$\dot{V}$$ O2max) has been suggested as an optimal stimulus for the promotion of greater $$\dot{V}$$ O2max improvements, scientific findings supporting this notion are surprisingly still lacking. To investigate this, the present study described t@ $$\dot{V}$$ O2max in two different severe-intensity interval training regimens and compared its effects on aerobic indexes after a 4-week intervention.Twenty-one recreational cyclists performed an incremental exercise test and six time-to-exhaustion tests on four different days to determine $$\dot{V}$$ O2max, lactate threshold (LT), critical power (CP) and the highest intensity (I HIGH) and lowest exercise duration (T LOW) at which $$\dot{V}$$ O2max was attained. Subjects were assigned to the lower (LO, n = 11, 4 × 5 min at 105 % CP, 1 min recovery) or the upper severe-intensity training groups (UP, n = 10, 8 × 60 % T LOW at 100 % I HIGH, 1:2 work:recovery ratio). t@ $$\dot{V}$$ O2max was measured during the first and last training sessions.A significantly higher t@ $$\dot{V}$$ O2max was elicited in the UP during training sessions in comparison with the LO group (P < 0.05), and superior improvements were observed in $$\dot{V}$$ O2max (change in measure ±95 % confidence interval) (6.3 ± 1.9 vs. 3.3 ± 1.8 %, P = 0.034 for interaction terms) and LT (54.8 ± 11.8 vs. 27.9 ± 11.3 %, P = 0.023 for interaction terms). The other aerobic indexes were similarly improved between the groups.The present results demonstrated that UP training produced superior gains in $$\dot{V}$$ O2max and LT in comparison with LO training, which may be associated with the higher t@ $$\dot{V}$$ O2max.
Starting Page	161
Ending Page	169
Page Count	9
File Format	PDF
ISSN	14396319
Journal	European Journal of Applied Physiology
Volume Number	116
Issue Number	1
e-ISSN	14396327
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-09-15
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	High-intensity interval training Exercise tolerance Short term Maximal oxygen uptake Time at $$\dot{V}$$ V ˙ O2max Intensity exercise domains Human Physiology Occupational Medicine/Industrial Medicine Sports Medicine
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Physiology (medical) Public Health, Environmental and Occupational Health Sports Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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