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Twelve weeks of low volume sprint interval training improves cardio-metabolic health outcomes in overweight females
Sun,Shengyan1,2; Zhang,Haifeng3; Kong,Zhaowei1; Shi,Qingde4; Tong,Tomas K.5; Nie,Jinlei4
2019-06-03
Source PublicationJournal of Sports Sciences
ISSN1466447X 02640414
Volume37Issue:11Pages:1257-1264
AbstractThis study compared the effects of 12-week sprint interval training (SIT), high-intensity interval training (HIIT), and moderate-intensity continuous training (MICT) on cardiorespiratory fitness (V̇O ), body mass and insulin sensitivity in overweight females. Forty-two overweight women (age 21.2 ± 1.4 years, BMI 26.3 ± 2.5 kg·m ) were randomized to the groups of SIT (80 × 6-s sprints + 9-s rest), and isoenergetic (300KJ) HIIT (~9 × 4-min cycling at 90% V̇O  + 3-min rest) and MICT (cycling at 60% V̇O for ~ 61-min). Training intervention was performed 3 d·week for 12 weeks. After intervention, all three groups induced the same improvement in V̇O (~ +25%, p < 0.001) and a similar reduction in body mass (~–5%, p < 0.001). Insulin sensitivity and fasting insulin levels were improved significantly on post-training measures in SIT and HIIT by ~26% and ~39% (p < 0.01), respectively, but remain unchanged in MICT. In contrast, fasting glucose levels were only reduced with MICT (p < 0.01). The three training strategies are equally effective in improving V̇O and reducing body mass, however, the SIT is time-efficient. High-intensity training (i.e. SIT and HIIT) seems to be more beneficial than MICT in improving insulin sensitivity. Abbreviations: BMI: body mass index; CVD: cardiovascular disease; HIEG: hyperinsulinaemic euglycaemic glucose; HIIT: high-intensity interval training; HOMA-IR: homeostasis model assessment of insulin resistance; HR: heart rate; MICT: moderate-intensity continuous training; RPE: ratings of perceived exertion; SIT: sprint interval training; T2D: type 2 diabetes; V̇O : peak oxygen consumption.
Keywordcardio-metabolic health Exercise interval training weight reduction
DOI10.1080/02640414.2018.1554615
URLView the original
Language英语
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Document TypeJournal article
CollectionFaculty of Education
Corresponding AuthorKong,Zhaowei
Affiliation1.Faculty of Education,University of Macau,,Macao
2.Institute of Physical Education,Huzhou University,,Huzhou,China
3.College of Physical Education,Hebei Normal University,,Shijiazhuang,China
4.School of Physical Education and Sports,Macao Polytechnic Institute,,Macao
5.Dr. Stephen Hui Research Centre for Physical Recreation and Wellness,Department of Physical Education,Hong Kong Baptist University,,Hong Kong
First Author AffilicationFaculty of Education
Corresponding Author AffilicationFaculty of Education
Recommended Citation
GB/T 7714
Sun,Shengyan,Zhang,Haifeng,Kong,Zhaowei,et al. Twelve weeks of low volume sprint interval training improves cardio-metabolic health outcomes in overweight females[J]. Journal of Sports Sciences,2019,37(11):1257-1264.
APA Sun,Shengyan,Zhang,Haifeng,Kong,Zhaowei,Shi,Qingde,Tong,Tomas K.,&Nie,Jinlei.(2019).Twelve weeks of low volume sprint interval training improves cardio-metabolic health outcomes in overweight females.Journal of Sports Sciences,37(11),1257-1264.
MLA Sun,Shengyan,et al."Twelve weeks of low volume sprint interval training improves cardio-metabolic health outcomes in overweight females".Journal of Sports Sciences 37.11(2019):1257-1264.
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