Clothing fabric does not affect thermoregulation during exercise in moderate heat

Gavin, Timothy P.; Babington, J P.; Harms, Craig A.; Ardelt, M. E.; Tanner, David A.; Stager, Joel M.

doi:10.1097/00005768-200112000-00023

Cited by 63 publications

(76 citation statements)

References 19 publications

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“…2a). The skin and rectal temperatures reported in the current study are similar to those reported by Gavin (2001). These authors showed no differences in these temperatures when wearing a synthetic clothing ensemble (short-sleeve T-shirt, cycling shorts) compared with being semi-nude (lycra swim suit) during submaximal exercise in 30°C.…”

Section: Discussionsupporting

confidence: 87%

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Effect of lower body compression garments on submaximal and maximal running performance in cold (10°C) and hot (32°C) environments

Goh

Laursen

Dascombe³

et al. 2010

Eur J Appl Physiol

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No previous studies have investigated the effect of lower body compression garments (CG) on running performance in the heat. This study tested the hypothesis that CG would negatively affect running performance in the heat by comparing CG and non-CG conditions for running performance and physiological responses in hot and cold conditions. Ten male recreational runners (29.0 ± 10.0 years, [Formula: see text]max: 58.7 ± 2.7 ml kg(-1) min(-1)) performed four treadmill tests consisting of 20-min running at first ventilatory threshold followed by a run to exhaustion at [Formula: see text]max velocity in four conditions: 10°C with CG, 10°C without CG, 32°C with CG, and 32°C without CG (randomised, counterbalanced order). Time to exhaustion (TTE), skin and rectal temperature, [Formula: see text], heart rate and rating of perceived exertion (RPE) were compared between CG and non-CG conditions at each environmental temperature. TTE was not significantly different between the CG and non-CG conditions at 10°C (158 ± 74 vs. 148 ± 73 s) and 32°C (115 ± 40 vs. 97 ± 33 s); however, there was a small (0.15) and moderate effect size (0.48), respectively, suggestive of an improvement in TTE with CG. Lower limb skin temperature was 1.5°C higher at 10°C with CG (P < 0.05), but no significant differences in other physiological variables, including rectal temperature, were observed between garment conditions. Interestingly, RPE was lower (P < 0.05) during submaximal running at 32°C with CG (13.8 ± 2.0) compared with non-CG (14.5 ± 2.7). It was concluded that CG had no adverse effects on running performance in hot conditions.

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Section: Discussionsupporting

confidence: 87%

“…2a). Indeed, Gavin (2001) has shown that thermoregulation was not negatively affected by 45 min of submaximal exercise consisting of running and walking with crew neck short sleeved T-shirt and cycling shorts at 30°C. Hence, it appears that the compression garment did Fig.…”

Section: Discussionmentioning

confidence: 99%

Effect of lower body compression garments on submaximal and maximal running performance in cold (10°C) and hot (32°C) environments

Goh

Laursen

Dascombe³

et al. 2010

Eur J Appl Physiol

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“…Therefore, it can be concluded that in the subjects wearing woolen clothing, the NA-ergic nervous mechanism predominates over the humoral A mechanism, while in the subjects wearing 100% acrylic clothes, a reverse reaction can be observed. The effect of different clothing material on HR during physical effort has been investigated by Kwon et al [26] who found higher HR values in individuals wearing synthetic (polyester) clothing than in those wearing cotton clothing, as well as by Gavin et al [10] who, however, did not observe any effect of the clothing fabric on HR in persons examined during physical effort. The findings of our study confirm that HR is intensified by wearing clothes made of synthetic fabric.…”

Section: Discussionmentioning

confidence: 99%

“…The effect of the clothing material on human physiological parameters is usually investigated in the context of the thermal stress that may be associated with physical effort. In general, it is believed that the properties of clothing can considerably change the physiological conditions related to physical effort [7,27], but it has not always been possible to provide evidence that they affect the thermoregulatory mechanisms [10]. Zimniewska proved that even under static conditions, the temperature measured on the skin surface depended on the kind of clothing and was higher when the subjects worn polyester clothes than the linen ones [12,28].…”

Section: Discussionmentioning

confidence: 99%

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Influence of different kind of clothing material on selected cardiovascular, respiratory and psychomotor parameters during moderate physical exercise

Ciesielska¹,

Mokwiński²,

Orłowska-Majdak³

2009

International Journal of Occupational Medicine and Environmental Health

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Objectives: The aim of the experiment was to analyze the influence that the clothing material may have on human physiology and thermal comfort both at rest and physical effort to answer the question which fabric is better, a natural or a synthetic one. Materials and Methods: We measured some psychomotor parameters: critical flicker frequency (CFF), reaction time to auditory/visual stimuli (RT), concentration of attention (CA); cardiovascular parameters: blood pressure (BP), heart rate (HR) and respiratory parameters: tidal volume (V T ), minute ventilation (V E ), oxygen consumption (V O2 ), carbon dioxide output (V CO2 ), respiratory exchange ratio (RER) in human volunteers before, during and after physical effort. The subjects performed a 15-min treadmill test on treadmill wearing clothes made of two different materials: 100% coarse wool and 100% acrylic. An interview was conducted directly before the exercise test to assess the subjects' general mood and wellbeing on that day. Besides, before and after the test, the subjects in their own words described the sensation they felt with respect to the physiological comfort of particular clothing. Results: The results showed that wearing clothes made of different fabrics had some influence on the cardiovascular and respiratory parameters during physical effort but it did not have any effect on the psychomotor skills. The perception of physiological comfort by the subjects wearing coarse wool or acrylic depended on their physiological state and differed at rest and after the physical effort. Conclusions: The course of physiological processes depends on the kind of clothing a given person is wearing. It is not possible to clearly define which of the two clothing materials: natural -wool, or synthetic -acrylic is better. Each of them exerts a different effect on the human organism. The usefulness of a given type of clothing material seems to depend on the human physiological state and the related thermoregulatory processes.

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Wearing a breathable T‐shirt does not affect thermoregulatory responses during exercise under hot conditions

Kato,

Okamoto,

Otsuka

et al. 2024

Hum Ftrs & Erg Mfg Svc

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Sweat absorbed by clothing forms a moisture film on fabric surfaces, reducing fabric breathability and disrupting thermoregulation during exercise in a hot environment. We investigated whether T‐shirts made from a newly developed fabric with hydrophobic and water‐repellent fibers near the through holes could prevent sweat film formation, thereby enhancing intraclothing microclimate and thermoregulatory responses. Thirteen male runners completed 30‐min treadmill sessions at moderate and high intensities while wearing either the new fabric T‐shirt (Dry Aeroflow, DAF) or a polyester T‐shirt (CONT) at an ambient temperature of 32°C and a relative humidity of 50% with an air velocity of 0.8 m/s. Compared with CONT, intraclothing humidity was decreased on the chest and back, and chest but not back skin temperature was decreased by 2°C in DAF. However, thermoregulatory key variables such as rectal temperature, mean skin temperature, sweat rates, and heart rate did not differ between the T‐shirts. We concluded that the a T‐shirt with enhanced breathability does not affect overall thermoregulatory response during exercise in the heat despite the partial improvements in intraclothing microclimate and in reducing local skin temperature.

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Clothing fabric does not affect thermoregulation during exercise in moderate heat

Abstract: In summary, before, during, or after exercise in a moderately warm environmental condition, neither the addition of a modest amount of clothing nor the fabric characteristics of this clothing alters physiological, thermoregulatory, or comfort sensation responses.

Cited by 63 publications

References 19 publications

Effect of lower body compression garments on submaximal and maximal running performance in cold (10°C) and hot (32°C) environments

Effect of lower body compression garments on submaximal and maximal running performance in cold (10°C) and hot (32°C) environments

Influence of different kind of clothing material on selected cardiovascular, respiratory and psychomotor parameters during moderate physical exercise

Wearing a breathable T‐shirt does not affect thermoregulatory responses during exercise under hot conditions

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