Do older females store more heat than younger females during exercise in the heat?

Medicine and Science in Sports and Exercise

Volumn 45, Issue 12, 2013, Pages 2265-2276

  Larose, Joanie ^a   Wright, Heather E ^a   Sigal, Ronald J ^b,c   Boulay, Pierre ^d   Hardcastle, Stephen ^e   Kenny, Glen P ^a  

^a UNIVERSITY OF OTTAWA   (Canada)

^b OTTAWA HOSPITAL RESEARCH INSTITUTE   (Canada)

^c UNIVERSITY OF CALGARY   (Canada)

^d UNIVERSITÉ DE SHERBROOKE   (Canada)

^e Natural Resources Canada   (Canada)

Author keywords

Aging; Calorimetry; Heat Stress; Skin Blood Flow; Sweating; Thermoregulation

Indexed keywords

ADULT; AGE; ARTICLE; BODY TEMPERATURE; CALORIMETRY; CANADA; EXERCISE; FEMALE; HEAT; HUMAN; MIDDLE AGED; PHYSIOLOGY; SKIN; THERMOREGULATION; VASCULARIZATION; YOUNG ADULT;

ADULT; AGE FACTORS; BODY TEMPERATURE; BODY TEMPERATURE REGULATION; CALORIMETRY, INDIRECT; EXERCISE; FEMALE; HOT TEMPERATURE; HUMANS; MIDDLE AGED; ONTARIO; SKIN; YOUNG ADULT;

EID: 84888203801     PISSN: 01959131     EISSN: 15300315     Source Type: Journal    
DOI: 10.1249/MSS.0b013e31829d24cc     Document Type: Article

References (40)

1. Anderson RK, Kenney WL. Effect of age on heat-activated sweat gland density and flow during exercise in dry heat. J Appl Physiol. 1987;63(3):1089-94
2. Brooks EM, Morgan AL, Pierzga JM, et al. Chronic hormone replacement therapy alters thermoregulatory and vasomotor function in postmenopausal women. J Appl Physiol. 1997;83:477-84
3. Cotter JD, Patterson MJ, Taylor NA. The topography of eccrine sweating in humans during exercise. Eur J Appl Physiol Occup Physiol. 1995;71(6):549-54
4. Cramer MN, Bain AR, Jay O. Local sweating on the forehead, but not forearm, is influenced by aerobic fitness independently of heat balance requirements during exercise. Exp Physiol. 2012; 97(5):572-82
5. Dill DB, Costill DL. Calculation of percentage changes in volumes of blood, plasma, and red cells in dehydration. J Appl Physiol. 1974;37(2):247-8
6. Drinkwater BL, Horvath SM. Heat tolerance and aging. Med Sci Sports. 1979;11(1):49-55
7. Du Bois D, Du Bois EF. A formula to estimate the approximate surface area if height and weight be known. 1916. Nutrition. 1989;5(5):303-11
8. Gagnon D, Crandall CG, Kenny GP. Sex-differences in postsynaptic sweating and cutaneous vasodilation. J Appl Physiol. 2013;114(3):394-401
9. Gagnon D, Kenny G. Does sex have an independent effect on thermoeffector responses during exercise in the heat? J Physiol. 2012;590(pt 23):5963-73
10. Gagnon D, Kenny GP. Exercise-rest cycles do not alter local and whole body heat loss responses. Am J Physiol Regul Integr Comp Physiol. 2011;300(4):R958-68
11. Gagnon D, Kenny GP. Sex modulates whole-body sudomotor thermosensitivity during exercise. J Physiol. 2011;589(pt 24): 6205-17
12. Gagnon D, Kenny GP. Sex differences in thermoeffector responses during exercise at fixed requirements for heat loss. J Appl Physiol. 2012;113(5):746-57
13. Hellon RF, Lind AR, Weiner JS. The physiological reactions of men of two age groups to a hot environment. J Physiol. 1956; 133(1):118-31
14. Inbar O, Morris N, Epstein Y, Gass G. Comparison of thermoregulatory responses to exercise in dry heat among prepubertal boys, young adults and older males. Exp Physiol. 2004;89(6):691-700
15. Inoue Y, Kuwahara T, Araki T. Maturation- and aging-related changes in heat loss effector function. J Physiol Anthropol Appl Human Sci. 2004;23(6):289-94
16. Inoue Y, Nakao M, Araki T, Murakami H. Regional differences in the sweating responses of older and younger men. J Appl Physiol. 1991;71(6):2453-9
17. Jay O, Bain AR, Deren TM, Sacheli M, Cramer MN. Large differences in peak oxygen uptake do not independently alter changes in core temperature and sweating during exercise. Am J Physiol Regul Integr Comp Physiol. 2011;301(3):R832-41
18. Jay O, Kenny GP. The determination of changes in body heat content during exercise using calorimetry and thermometry. J Hum Environ Syst. 2006;10:19-29
19. Jay O, Reardon FD, Webb P, et al. Estimating changes in mean body temperature for humans during exercise using core and skin temperatures is inaccurate even with a correction factor. J Appl Physiol. 2007;103(2):443-51
20. Journeay WS, Jay O, McInnis NH, Leclair E, Kenny GP. Postexercise heat loss and hemodynamic responses during headdown tilt are similar between genders. Med Sci Sports Exerc. 2007;39(8):1308-14
21. Journeay WS, Reardon FD, Martin CR, Kenny GP. Control of cutaneous vascular conductance and sweating during recovery from dynamic exercise in humans. J Appl Physiol. 2004;96(6): 2207-12
22. Kenney WL, Anderson RK. Responses of older and younger women to exercise in dry and humid heat without fluid replacement. Med Sci Sports Exerc. 1988;20(2):155-60
23. Kenny GP, Dorman LE, Webb P, et al. Heat balance and cumulative heat storage during intermittent bouts of exercise. Med Sci Sports Exerc. 2009;41(3):588-96
24. Kenny GP, Gagnon D. Is there evidence for nonthermal modulation of whole body heat loss during intermittent exercise? Am J Physiol Regul Integr Comp Physiol. 2010;299(1):R119-28
25. Kenny GP, Gagnon D, Dorman LE, Hardcastle SG, Jay O. Heat balance and cumulative heat storage during exercise performed in the heat in physically active younger and middle-aged men. Eur J Appl Physiol. 2010;109(1):81-92
26. Kenny GP, Journeay WS. Human thermoregulation: Separating thermal and nonthermal effects on heat loss. Front Biosci. 2010;15: 259-90
27. Kenny GP, Webb P, Ducharme MB, Reardon FD, Jay O. Calorimetric measurement of postexercise net heat loss and residual body heat storage. Med Sci Sports Exerc. 2008;40(9):1629-36
28. Kenny GP, Yardley JE, Martineau L, Jay O. Physical work capacity in older adults: Implications for the aging worker. Am J Ind Med. 2008;51(8):610-25
29. Kondo N, Takano S, Aoki K, Shibasaki M, Tominaga H, Inoue Y. Regional differences in the effect of exercise intensity on thermoregulatory sweating and cutaneous vasodilation. Acta Physiol Scand. 1998;164(1):71-8
30. Lind AR, Humphreys PW, Collins KJ, Foster K, Sweetland KF. Influence of age and daily duration of exposure on responses of men to work in heat. J Appl Physiol. 1970;28(1):50-6
31. Reardon FD, Leppik KE, Wegmann R, Webb P, Ducharme MB, Kenny GP. The Snellen human calorimeter revisited, re-engineered and upgraded: Design and performance characteristics. Med Biol Eng Comput. 2006;44(8):721-8
32. Robinson S, Belding HS, Consolazio FC, Horvath SM, Turrell ES. Acclimatization of older men to work in heat. J Appl Physiol. 1965;20(4):583-6
33. Shoenfeld Y, Udassin R, Shapiro Y, Ohri A, Sohar E. Age and sex difference in response to short exposure to extreme dry heat. J Appl Physiol. 1978;44(1):1-4
34. Siri WE. Body composition from fluid spaces and density: Analysis of methods. 1961. Nutrition. 1993;9(5):480-91
35. Tankersley CG, Nicholas WC, Deaver DR, Mikita D, Kenney WL. Estrogen replacement in middle-aged women: Thermoregulatory responses to exercise in the heat. J Appl Physiol. 1992;73(4):1238-45
36. Tankersley CG, Smolander J, Kenney WL, Fortney SM. Sweating and skin blood flow during exercise: Effects of age and maximal oxygen uptake. J Appl Physiol. 1991;71(1):236-42
37. Wagner JA, Robinson S, Tzankoff SP, Marino RP. Heat tolerance and acclimatization to work in the heat in relation to age. J Appl Physiol. 1972;33(5):616-22
38. Webb P. The physiology of heat regulation. Am J Physiol. 1995; 268(4 pt 2):R838-50
39. Wells CL, Horvath SM. Heat stress reponses related to the menstrual cycle. J Appl Physiol. 1973;35(1):1-5
40. Wells CL, Horvath SM. Responses to exercise in a hot environment as related to the menstrual cycle. J Appl Physiol. 1974;36(3):299-302