Abstract
Although some studies showed a relationship between skin temperature and physical fitness, it is unclear if cycling experience could have an influence on thermoregulation. The aims of this study were to compare differences in skin temperature between Cyclists and Non-Cyclists and to assess the relationship between varying performance factors and skin temperature. Eleven Cyclists and eleven Non-Cyclists performed an incremental cycling test to exhaustion. Body composition, power output, oxygen consumption, heart rate, neuromuscular activation and skin temperature from Vastus Lateralis, Rectus Femoris, Biceps Femoris and Gastrocnemius Medialis were measured. Cyclists presented lower percentage body fat, greater peak power output and higher oxygen consumption (P < 0.01 and ES > 1.4), resulting in a higher heat production (P < 0.01 and ES = 1.6) and therefore higher skin temperatures in knee extensors than Non-Cyclists (P < 0.01 and ES > 1.1). Skin temperature was negatively correlated with body fat and positively correlated with peak power output and heat production (P < 0.05 and ∣r∣ ≥ 0.5). Skin temperature was influenced by cycling training profile and participants with a higher physical fitness (i.e., higher peak power output) presented higher heat production and higher skin temperature. Furthermore, percentage body fat was one of the variables that largely explained the relationship between physical fitness and skin temperature.
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Abbreviations
- ∆Skin temperature:
-
Variation in skin temperature
- %VO2max :
-
Maximum relative oxygen consumption
- BF:
-
Biceps Femoris
- EMG:
-
Surface electromyography
- GM:
-
Gastrocnemius Medialis
- H prod :
-
Heat production
- HR:
-
Heart rate
- POpeak :
-
Peak power output
- PO/kg:
-
Relative power output
- RF:
-
Rectus Femoris
- ROI:
-
Region of interest
- VL:
-
Vastus Lateralis
- VO2max :
-
Maximum oxygen consumption
- VT1 :
-
Ventilatory threshold 1
- VT2 :
-
Ventilatory threshold 2
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Acknowledgements
The work of the first author was funded with a doctoral fellowship (FPU) received from the Spanish Ministry of Education, Culture and Sport. The Foundation of the Amazonas State Research by awarding grants to researchers. The authors would like to thank the participants for their valuable contributions and support. The authors declare that they have no conflict of interest.
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Priego Quesada, J.I., Sampaio, L.T., Bini, R.R. et al. Multifactorial cycling performance of Cyclists and Non-Cyclists and their effect on skin temperature. J Therm Anal Calorim 127, 1479–1489 (2017). https://doi.org/10.1007/s10973-016-5971-z
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DOI: https://doi.org/10.1007/s10973-016-5971-z