Int J Sports Med 2010; 31(2): 89-94
DOI: 10.1055/s-0029-1233466
Training & Testing

© Georg Thieme Verlag KG Stuttgart · New York

Anaerobic Work Capacity Derived from Isokinetic and Isoinertial Cycling

M. S. F. Wiedemann1 , 3 , L. Bosquet2 , 3
  • 1Technical University of Munich, Faculty of Sports Science, Munich, Germany
  • 2Université de Poitiers, Faculté des sciences du sport, Poitiers, France
  • 3Université de Montréal, Département de kinésiologie, Montréal, Canada
Weitere Informationen

Publikationsverlauf

accepted after revision June 16, 2009

Publikationsdatum:
17. Dezember 2009 (online)

Abstract

The purpose of this study was to compare Anaerobic Work Capacity (AWC) measured on an isoinertial or an isokinetic bicycle ergometer. Twelve male participants completed two randomly ordered exercise testing sessions including a torque-velocity test followed by a 30-s all-out test on an isokinetic ergometer, or a force-velocity test followed by a Wingate Anaerobic Test on an isoinertial ergometer. Optimal load measured during the force-velocity test on the isoinertial ergometer was 1.13±0.11 N.kg−1. Optimal cadence measured during the torque-velocity test on the isokinetic ergometer was 107±13 rpm. Although Ppeak measures were significantly correlated (r=0.77), we found a large difference between them (effect size=2.85) together with wide limits of agreement (bias±95%LOA=24±12%). The same observation was made with Pmean, but with a smaller magnitude of difference (bias±95%LOA=4.2±12%; effect size=0.51; r=0.73). This lack of agreement led us to the conclusion that AWC measures obtained during 30-s all-out tests performed on an isoinertial or an isokinetic bicycle ergometer are not necessarily similar and cannot be used interchangeably.

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Correspondence

Dr. L. Bosquet

Université de Poitiers

Faculté des sciences du sport

4 allée Jean Monnet

86000 Poitiers

France

Telefon: +33/(0)/549 454 115

Fax: +33/(0)/549 453 396

eMail: laurent.bosquet@gmail.com