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Cited by 70Thermoregulation and physiological responsesCardiovascular and exercise physiologySports Performance and Training

Sweat lactate response between males with high and low aerobic fitness

Green, J. M., Pritchett, R. C., Crews, T. R., McLester, J. R., Tucker, D. C.·2004·European Journal of Applied Physiology
DOI 10.1007/s00421-003-0968-2
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Abstract

Sweat lactate indirectly reflects eccrine gland metabolism. However the potential influence of aerobic fitness on sweat lactate is not well-understood. Six males with high aerobic fitness [peak oxygen consumption ( VO(2)peak): 61.6 (2.5) ml.kg(-1).min(-1)] and seven males with low aerobic fitness [ VO(2)peak: 41.8 (6.4) ml.kg(-1).min(-1)] completed a maximal exertion cycling trial followed on a different day by 60 min of cycling (60 rev.min(-1)) in a 30 degrees C wet bulb globe temperature environment. Intensity was individualized at 90% of the ventilatory threshold ( V(E)/ VO(2) increase with no concurrent V(E)/ VCO(2) increase). Sweat samples were collected from the lumbar region every 10 min and analyzed for lactate concentration. Sweat rate (SR) was significantly greater ( p<0.05) for subjects with a high [1445 (254) ml.h(-1)] versus a low [1056 (261) ml.h(-1)] fitness level. Also, estimated total lactate excretion (SRxmean sweat lactate concentration) was marginally greater ( p=0.2) in highly fit males. However, repeated measures ANOVA showed no significant differences ( p>0.05) between groups for sweat lactate concentration at any time point. Current results show highly fit (vs. low fitness level) males have a greater sweat rate which is consistent with previous literature. However aerobic fitness and subsequent variations in SR do not appear to influence sweat lactate concentrations in males.

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Authors
Green, J. M., Pritchett, R. C., Crews, T. R., McLester, J. R., & Tucker, D. C.
Affiliations
Western Kentucky University (US)
Corresponding author
Green, J. M.
ORCID
McLester, J. R.
Venue
European Journal of Applied Physiology
Publisher
Springer Science and Business Media LLC
Published
2003-10-09
Volume
91
Issue
1
Pages
1-6
ISSN
  • 0020-9376 (ISSN-L)
  • 1439-6319
  • 1439-6327
DOI
10.1007/s00421-003-0968-2
OpenAlex
W2007624325
Cited by
70
References
23
Citations by year
2026: 1 · 2025: 1 · 2024: 4 · 2023: 4 · 2022: 3 · 2021: 7 · 2020: 7 · 2019: 8 · 2018: 3 · 2017: 4 · 2016: 6 · 2015: 3 · 2014: 2 · 2013: 3 · 2012: 5
FWCI
0.57
Type
journal article
Language
en
Open access
closed
Licence
www.springer.com/tdm (tdm)
Locations
  • European Journal of Applied Physiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Smith and Nephew
  • Western Kentucky University
Topics
  • Health Sciences › Medicine › Physiology › Thermoregulation and physiological responses
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
Keywords
sweat lactate, cardiorespiratory fitness, sweat rate, lactate excretion, ventilatory threshold, peak oxygen uptake, cycling exercise, heat stress, wet bulb globe temperature
MeSH terms
Adult, Body Temperature Regulation, Eccrine Glands, Humans, Male, Physical Fitness, Sweat, Lactic Acid

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