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The effects of taurine on repeat sprint cycling after low or high cadence exhaustive exercise in females

Mark Waldron Orcid Logo, Francesca Knight, Jamie Tallent, Stephen Patterson, Owen Jeffries

Amino Acids, Volume: 50, Issue: 6, Pages: 663 - 669

Swansea University Author: Mark Waldron Orcid Logo

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DOI (Published version): 10.1007/s00726-018-2554-2

Abstract

This study investigated the effects of taurine on repeated sprint exercise, performed after fixed incremental ramp exercise to exhaustion at isokinetic high (90 r/min) or low (50 r/min) cadences. In a double-blind, repeated measures design, nine females completed an incremental ramp test to volition...

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Published in: Amino Acids
ISSN: 0939-4451 1438-2199
Published: Springer
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URI: https://cronfa.swan.ac.uk/Record/cronfa51421
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spelling 2019-09-03T16:07:33.1722774 v2 51421 2019-08-15 The effects of taurine on repeat sprint cycling after low or high cadence exhaustive exercise in females 70db7c6c54d46f5e70b39e5ae0a056fa 0000-0002-2720-4615 Mark Waldron Mark Waldron true false 2019-08-15 STSC This study investigated the effects of taurine on repeated sprint exercise, performed after fixed incremental ramp exercise to exhaustion at isokinetic high (90 r/min) or low (50 r/min) cadences. In a double-blind, repeated measures design, nine females completed an incremental ramp test to volitional exhaustion, followed by 2 min active recovery and 6 × 10 s sprints on a cycle ergometer, in one of four conditions: high cadence (90 r/min) + taurine (50 mg/kg body mass); high cadence + placebo (3 mg/kg body mass maltodextrin); low cadence (50 r/min) + taurine; low cadence + placebo. Heart rate (HR) and blood lactate concentration B[La] were measured before and after the ramp test and after the sprints. Taurine lowered HR vs. placebo prior to the ramp test (P = 0.004; d = 2.1). There was an effect of condition on ramp performance (P < 0.001), with higher end-test power (d = 3.7) in taurine conditions. During repeated sprints, there was a condition × time interaction (P = 0.002), with higher peak sprint power in the placebo conditions compared to taurine (sprint 2–6; P < 0.05). B[La] was higher in taurine compared to placebo post-ramp (P = 0.004; d = 4.7). Taurine-lowered pre-exercise HR and improved incremental end-test power output, with subsequent detrimental effects on sprint performance, independent of cadence. Short endurance performance can be acutely enhanced after taurine ingestion but this effect might not be maintained across longer periods of exercise or induce the need for longer recovery periods. Journal Article Amino Acids 50 6 663 669 Springer 0939-4451 1438-2199 Ergogenic aids, Supplementation, Cycling, Amino acids 0 0 0 0001-01-01 10.1007/s00726-018-2554-2 https://doi.org/10.1007/s00726-018-2554-2 COLLEGE NANME Sport and Exercise Sciences COLLEGE CODE STSC Swansea University 2019-09-03T16:07:33.1722774 2019-08-15T15:37:34.5991433 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences Mark Waldron 0000-0002-2720-4615 1 Francesca Knight 2 Jamie Tallent 3 Stephen Patterson 4 Owen Jeffries 5 51421__15768__3905a57e423840519a9cceb9e994543f.pdf 51421.pdf 2019-10-31T13:24:19.1023189 Output 286225 application/pdf Accepted Manuscript true true
title The effects of taurine on repeat sprint cycling after low or high cadence exhaustive exercise in females
spellingShingle The effects of taurine on repeat sprint cycling after low or high cadence exhaustive exercise in females
Mark Waldron
title_short The effects of taurine on repeat sprint cycling after low or high cadence exhaustive exercise in females
title_full The effects of taurine on repeat sprint cycling after low or high cadence exhaustive exercise in females
title_fullStr The effects of taurine on repeat sprint cycling after low or high cadence exhaustive exercise in females
title_full_unstemmed The effects of taurine on repeat sprint cycling after low or high cadence exhaustive exercise in females
title_sort The effects of taurine on repeat sprint cycling after low or high cadence exhaustive exercise in females
author_id_str_mv 70db7c6c54d46f5e70b39e5ae0a056fa
author_id_fullname_str_mv 70db7c6c54d46f5e70b39e5ae0a056fa_***_Mark Waldron
author Mark Waldron
author2 Mark Waldron
Francesca Knight
Jamie Tallent
Stephen Patterson
Owen Jeffries
format Journal article
container_title Amino Acids
container_volume 50
container_issue 6
container_start_page 663
institution Swansea University
issn 0939-4451
1438-2199
doi_str_mv 10.1007/s00726-018-2554-2
publisher Springer
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences
url https://doi.org/10.1007/s00726-018-2554-2
document_store_str 1
active_str 0
description This study investigated the effects of taurine on repeated sprint exercise, performed after fixed incremental ramp exercise to exhaustion at isokinetic high (90 r/min) or low (50 r/min) cadences. In a double-blind, repeated measures design, nine females completed an incremental ramp test to volitional exhaustion, followed by 2 min active recovery and 6 × 10 s sprints on a cycle ergometer, in one of four conditions: high cadence (90 r/min) + taurine (50 mg/kg body mass); high cadence + placebo (3 mg/kg body mass maltodextrin); low cadence (50 r/min) + taurine; low cadence + placebo. Heart rate (HR) and blood lactate concentration B[La] were measured before and after the ramp test and after the sprints. Taurine lowered HR vs. placebo prior to the ramp test (P = 0.004; d = 2.1). There was an effect of condition on ramp performance (P < 0.001), with higher end-test power (d = 3.7) in taurine conditions. During repeated sprints, there was a condition × time interaction (P = 0.002), with higher peak sprint power in the placebo conditions compared to taurine (sprint 2–6; P < 0.05). B[La] was higher in taurine compared to placebo post-ramp (P = 0.004; d = 4.7). Taurine-lowered pre-exercise HR and improved incremental end-test power output, with subsequent detrimental effects on sprint performance, independent of cadence. Short endurance performance can be acutely enhanced after taurine ingestion but this effect might not be maintained across longer periods of exercise or induce the need for longer recovery periods.
published_date 0001-01-01T04:00:37Z
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score 10.928156

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