Multifactorial cycling performance of Cyclists and Non-Cyclists and their effect on skin temperature

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• 作者：Jose Ignacio Priego Quesada…
• 关键词：Peak power output ; VO2MAX ; EMG ; Vastus Lateralis ; Infrared thermography
• 刊名：Journal of Thermal Analysis and Calorimetry
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：127
• 期：2
• 页码：1479-1489
• 全文大小：
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Physical Chemistry; Analytical Chemistry; Polymer Sciences; Inorganic Chemistry; Measurement Science and Instrumentation;
• 出版者：Springer Netherlands
• ISSN：1588-2926
• 卷排序：127

文摘

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.