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Cited by 87Thermoregulation and physiological responsesCardiovascular and exercise physiologyExercise and Physiological Responses

Effect of luteal phase elevation in core temperature on forearm blood flow during exercise

Kolka, Margaret A., Stephenson, Lou A.·1997·Journal of Applied Physiology
DOI 10.1152/jappl.1997.82.4.1079
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Abstract

Kolka, Margaret A., and Lou A. Stephenson. Effect of luteal phase elevation in core temperature on forearm blood flow during exercise. J. Appl. Physiol. 82(4): 1079–1083, 1997.—Forearm blood flow (FBF) as an index of skin blood flow in the forearm was measured in five healthy women by venous occlusion plethysmography during leg exercise at 80% peak aerobic power and ambient temperature of 35°C (relative humidity 22%; dew-point temperature 10°C). Resting esophageal temperature (T es) was 0.3 ± 0.1°C higher in the midluteal than in the early follicular phase of the menstrual cycle ( P < 0.05). Resting FBF was not different between menstrual cycle phases. The T es threshold for onset of skin vasodilation was higher (37.4 ± 0.2°C) in midluteal than in early follicular phase (37.0 ± 0.1°C; P < 0.05). The slope of the FBF to T es relationship was not different between menstrual cycle phases (14.0 ± 4.2 ml ⋅ 100 ml−1 ⋅ min−1 ⋅ °C−1 for early follicular and 16.3 ± 3.2 ml ⋅ 100 ml−1 ⋅ min−1 ⋅ °C−1 for midluteal phase). Plateau FBF was higher during exercise in midluteal (14.6 ± 2.2 ml ⋅ 100 ml−1 ⋅ min−1 ⋅ °C−1) compared with early follicular phase (10.9 ± 2.4 ml ⋅ 100 ml−1 ⋅ min−1 ⋅ °C−1; P < 0.05). The attenuation of the increase in FBF to T es occurred when T es was 0.6°C higher and at higher FBF in midluteal than in early follicular experiments ( P < 0.05). In summary, the FBF response is different during exercise in the two menstrual cycle phases studied. After the attenuation of the increase in FBF and while T es was still increasing, the greater FBF in the midluteal phase may have been due to the effects of increased endogenous reproductive endocrines on the cutaneous vasculature.

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Authors
Kolka, M. A., & Stephenson, L. A.
Affiliations
U.S. Army Research Institute of Environmental Medicine (US)
Venue
Journal of Applied Physiology
Publisher
American Physiological Society
Published
1997-04-01
Volume
82
Issue
4
Pages
1079-1083
ISSN
  • 0161-7567 (ISSN-L)
  • 8750-7587
  • 1522-1601
DOI
10.1152/jappl.1997.82.4.1079
OpenAlex
W2339284356
Cited by
87
References
27
Citations by year
2026: 3 · 2025: 2 · 2024: 5 · 2023: 4 · 2022: 1 · 2021: 4 · 2020: 9 · 2019: 4 · 2018: 3 · 2017: 1 · 2016: 2 · 2015: 8 · 2014: 4 · 2013: 4 · 2012: 2
FWCI
1.42
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Applied Physiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Thermoregulation and physiological responses
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
Keywords
luteal phase, menstrual cycle, core body temperature, esophageal temperature, forearm blood flow, skin blood flow, leg exercise, cutaneous vasodilation, women
MeSH terms
Adult, Body Temperature, Esophagus, Female, Follicular Phase, Forearm, Heart Rate, Humans, Luteal Phase, Regional Blood Flow, Skin, Skin Physiological Phenomena, Skin Temperature, Time Factors, Exercise

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