Effects of sprint interval training on body composition and anthropometry in recreational long-distance runners

Michalik Kamil, Danek Natalia, Wierzbicka–Damska Iwona. Effects of sprint interval training on body composition and anthropometry in recreational long-distance runners. Journal of Education, Health and Sport. 2018;8(6):265-277. eISNN 2391-8306. DOI http://dx.doi.org/10.5281/zenodo.1292932

http://ojs.ukw.edu.pl/index.php/johs/article/view/5589

https://pbn.nauka.gov.pl/sedno-webapp/works/867863

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© The Authors 2018;

This article is published with open access at Licensee Open Journal Systems of Kazimierz Wielki University in Bydgoszcz, Poland

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Received: 02.05.2018. Revised: 08.05.2018. Accepted: 19.06.2018.

Effects of sprint interval training on body composition and anthropometry in recreational long-distance runners

Kamil Michalik¹, Natalia Danek¹, Iwona Wierzbicka–Damska¹

1 - Department of Physiology and Biochemistry, University School of Physical Education in Wroclaw, Poland

Address:

University School of Physical Education,

Department of Physiology and Biochemistry,

35 J.I. Paderewski Avenue,

51-612 Wroclaw, Poland

Corresponding author:

Kamil Michalik

University School of Physical Education in Wroclaw, Department of Physiology and Biochemistry,

35 Paderewskiego Street, 51-612 Wrocław,

tel.: 693023875,

fax: 71 3473036,

e-mail: kamil.michalik@awf.wroc.pl

Key words: interval training, training evaluation, body composition, limb circumferences, long-distance running

Abstract

Background The purpose of the study was to investigate the anthropometric effects of sprint interval training (SIT) protocol on body composition and the circumferences of selected body segments in recreational long-distance runners.

Methods A sample of 17 participants was randomized to receive sprint interval training (SIT; n=8) and continuous endurance training (CONT; n=9). CONT trained  three to four times per week while SIT executed two interval training sessions and one continuous training session per week. The present study involved 4 to 8 min bouts in one interval training unit, whereas the control group trained from 40 to 150 min (40-50km per week). Training duration was 8 weeks. Pre- and post-intervention measures of body composition were determined by near-infrared interactance. Circumferences (chest, waist, calf and thigh of the dominant leg) were recorded.

Results No decrease in body fat mass was observed in SIT. Additionally, post-intervention waist circumference significantly decreased (p<0,05) whereas chest and dominant-leg thigh circumferences significantly increased when comparing pre- and post-training session values across the intervention (both p<0,001).

Conclusions Evaluating changes in chest and thigh circumferences immediately following an interval training session may serve as an additional indicator of training progress in recreational long-distance runners.