Assessment of the upper body contribution to multiple-sprint cycling in men and women

Marie Clare Grant; Hugh Watson; Julien S. Baker

doi:10.1111/cpf.12159

Assessment of the upper body contribution to multiple-sprint cycling in men and women

Marie Clare Grant^*, Hugh Watson, Julien S. Baker

^*Corresponding author for this work

SAS - SES- Sports and Exercise Sciences

Research output: Contribution to journal › Article

5 Citations (Scopus)

Abstract

The aim of this study was to investigate the effect of repeated cycling sprints on power profiles while assessing upper body muscle contraction. Eighteen physically active participants performed 8 × 10 s repeated sprints while muscle activity was recorded via surface electromyography (sEMG) from the brachioradialis (BR), biceps brachii (BB), triceps brachii (TB) and upper trapezius (UT). Measurements were obtained at rest, during a functional maximum contraction (FMC) while participants were positioned in a seated position on the cycle ergometer and during the repeated sprint protocol. Results suggest that mainly type I muscle fibres (MFs) are being recruited within the upper body musculature due to the submaximal and intermittent nature of the contractions. Subsequently, there is no evidence of upper body fatigue across the sprints, which is reflected in the lack of changes in the median frequency of the power spectrum (P<0·05).

Original language	English
Pages (from-to)	258–266
Number of pages	9
Journal	Clinical Physiology and Functional Imaging
Volume	35
Issue number	4
Early online date	8 May 2014
DOIs	https://doi.org/10.1111/cpf.12159
Publication status	Published - Jul 2015

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Grant, M. C., Watson, H., & Baker, J. S. (2015). Assessment of the upper body contribution to multiple-sprint cycling in men and women. Clinical Physiology and Functional Imaging, 35(4), 258–266. https://doi.org/10.1111/cpf.12159

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abstract = "The aim of this study was to investigate the effect of repeated cycling sprints on power profiles while assessing upper body muscle contraction. Eighteen physically active participants performed 8 × 10 s repeated sprints while muscle activity was recorded via surface electromyography (sEMG) from the brachioradialis (BR), biceps brachii (BB), triceps brachii (TB) and upper trapezius (UT). Measurements were obtained at rest, during a functional maximum contraction (FMC) while participants were positioned in a seated position on the cycle ergometer and during the repeated sprint protocol. Results suggest that mainly type I muscle fibres (MFs) are being recruited within the upper body musculature due to the submaximal and intermittent nature of the contractions. Subsequently, there is no evidence of upper body fatigue across the sprints, which is reflected in the lack of changes in the median frequency of the power spectrum (P<0·05).",

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10.1111/cpf.12159