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Effect of a single bout of high-intensity sprint exercise programme compared to traditional high-intensity sprint interval exercise and endurance exercise on inflammatory markers, lipid profile and health-related physical fitness measurements in participants with elevated cardiovascular disease risk (PhD Academy Award)
  1. Nivash Rugbeer1,2
  1. 1 Sport, Rehabilitation and Dental Science, Tshwane University of Technology, Pretoria, South Africa
  2. 2 Centre for Exercise Science and Sports Medicine, Wits University, Johannesburg-Braamfontein, Gauteng, South Africa
  1. Correspondence to Dr Nivash Rugbeer, Sport, Rehabilitation and Dental Science, Tshwane University of Technology, Pretoria 0001, South Africa; nivs1008{at}

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What did I do? Aim/s of your PhD

My PhD addressed the aims and objectives in three published studies (studies 1, 3 and 4) and one unpublished study (study 2). Study 1 was a meta-analysis and systematic review. Study 2 investigated the association between cardiorespiratory fitness (CRF) measurements, cardiometabolic risk factors and inflammatory markers. Study 3 investigated the effect of the 90 s ‘Gear’ exercise programme repeated at different times in the day (GEP-DT) and 18 min ‘Gear’ exercise programme repeated at one point in time (GEP-OT) on cardiometabolic risk factors. Study 4 investigated the effect of the ‘Gear’ exercise programmes on markers of inflammation and CRF.

Why did I do it? Rationale for your PhD

Sedentary behaviour increases the risk of cardiovascular disease (CVD).1 ‘Lack of time’ is a barrier to exercise.2 Thus, the study compared the effects of the new time-efficient ‘Gear’ exercise programmes with traditional exercise …

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  • Contributors Professor Constantinou and Dr Torres were appointed as my supervisors at the University of the Witwatersrand.

  • Funding This work is based on the research supported in part by the Tshwane University of Technology, South Africa, through the Department of Higher Education and Training Research Development Grant.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.