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The effects of a novel high intensity exercise intervention on established markers of cardiovascular disease and health in Scottish adolescent youth

Duncan S. Buchan, John D. Young, Alan D. Simpson, Non E. Thomas, Stephen-Mark Cooper, Julien S. Baker
  • John D. Young
    Affiliation not present
  • Alan D. Simpson
    University of the West of Scotland, United Kingdom
  • Non E. Thomas
    Swansea University, United Kingdom
  • Stephen-Mark Cooper
    Cardiff School of Sport, United Kingdom
  • Julien S. Baker
    University of the West of Scotland, United Kingdom

Abstract

This study examined the effects of high intensity exercise on physical fitness components and cardiovascular disease (CVD) risk factors in youth. Forty-one participants (15-17 years) were divided into a control and an intervention (high intensity exercise, HIT) group. The HIT group (15 boys, 2 girls) performed three weekly sessions over seven weeks consisting of either four to six repeats of maximal sprint running with 20-30 s recovery. The control group (20 boys, 4 girls) continued their normal activity patterns. All participants had indices of obesity and blood pressure (BP) recorded in addition to four physical performance measures pre-and post-intervention: cardiorespiratory fitness, muscular power, sprint speed and agility. In the HIT group, significant improvements in cardiorespiratory fitness (P<0.01) and agility (P<0.05) were noted. Participants in the control group, meanwhile, experienced a significant decrease in counter movement jump performance. These findings demonstrate that brief, intense exercise interventions are useful for improving indices of physical fitness in a short period of time.

Keywords

health, youth, high intensity exercise

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Submitted: 2011-11-30 12:01:26
Published: 2012-05-25 10:27:59
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Copyright (c) 2012 Duncan S. Buchan, John D. Young, Alan D. Simpson, Non E. Thomas, Stephen-Mark Cooper, Julien S. Baker

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