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

Research output: Contribution to journalArticle

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 languageEnglish
Pages (from-to)258–266
Number of pages9
JournalClinical Physiology and Functional Imaging
Volume35
Issue number4
Early online date8 May 2014
DOIs
Publication statusPublished - Jul 2015

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Slow-Twitch Muscle Fibers
Superficial Back Muscles
Electromyography
Muscle Contraction
Posture
Fatigue
Muscles

Cite this

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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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Assessment of the upper body contribution to multiple-sprint cycling in men and women. / Grant, Marie Clare; Watson, Hugh; Baker, Julien S.

In: Clinical Physiology and Functional Imaging, Vol. 35, No. 4, 07.2015, p. 258–266.

Research output: Contribution to journalArticle

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