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HIIT och dess effekt på löpekonomi hos vältränade löpare och triatleter
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences.
2015 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
The effect of HIIT on running economy tested on well-trained runners and triathletes (English)
Abstract [en]

Background: Running economy is one of the key factors to achieve top performance in endurance events. Little evidence exists for improving running economy using high-intensity interval training while running.


Objectives: The purpose of this study was to examine how HIIT affects running economy and VO2max.


Method: 14 well-trained athletes (age 35 ± 8,9 years, height 175 ± 11,7 cm and weight 69 ± 12,2 kg) were divided into two separate groups (HIIT and Control). HIIT group performed 3 HIIT exercises every week for 4 weeks and Control group continued with their separate training programs consisting of mostly traditional endurance training.


Results: Running economy showed no improvement in HIIT (pre 38,62 and post 38,62 ml/kg/min, p=1.00) but Control improved (pre 45,41 and post 43,37 ml/kg/min, p=0,03). VO2max decreased in HIIT (mean 61,32 to 60,84 ml/kg/min) and in Control (mean 61,99 to 58,47 ml/kg/min).

Place, publisher, year, edition, pages
2015. , 26 p.
Keyword [sv]
HIIT, löpning, löpekonomi, triathlon, vo2max, prestation
National Category
Sport and Fitness Sciences
URN: urn:nbn:se:kau:diva-36705OAI: diva2:825237
Subject / course
Sports Science
Educational program
Programme in Sport Science/sport coaching, 180 hp
2015-06-04, Karlstad, 12:24 (Swedish)
Available from: 2015-06-23 Created: 2015-06-23 Last updated: 2015-06-23Bibliographically approved

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Kalenius, Richard
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