Exploring the correlation of skin temperature and body composition in athletes undergoing exhaustive physical exercise

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2024-07-01 DOI:10.1016/j.jtherbio.2024.103918

Paweł Korman , Krzysztof Kusy , Anna Straburzyńska-Lupa , Manuel Sillero-Quintana , Ewa Zarębska , Jacek Zieliński

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Abstract

During strenuous exercise, skin temperature (Tsk) plays an essential role in thermoregulatory processes. As indicated in the literature, its response might be influenced by body composition, among other factors. Hence, the objectives of this investigation were to determine whether there is a correlation between selected body components, specifically fat tissue and muscle tissue, and Tsk during graded exercise and recovery in athletes, and to identify which body component exhibits the strongest correlation with Tsk.

Participants were grouped according to their aerobic capacity (VO₂max/kg). A significant main effect was observed for the test stages (p < .001, η² = 0.71), with Tsk decreasing from the start of the exercise, significantly decreasing at 12 km/h⁻¹ (p < .001), and then increasing after exercise, especially within the first 5 min of recovery. Weak and non-significant effect for group/stage interaction was detected (p = .374, η² = 0.03). A significant negative correlation was found between Tsk and both total tissue fat [%] (−0.51 < r < −0.63, p < .001) and lower limb tissue fat [%] (−0.50 < r < −0.71, p < .001) across all test stages. The correlation between Tsk and BMI was inconsistent, appearing only during the first stage of exercise and throughout recovery. No correlation was observed between Tsk and skeletal muscle mass, appendicular lean soft tissue, or relative skeletal muscle index.

Endurance running to exhaustion leads to a progressive decrease in the Tsk of the lower extremity, followed by rewarming during recovery. The observed inverse correlation between adipose tissue and Tsk, along with the distinct temperature trends in groups with varying levels of fat tissue, could imply that the skin and subcutaneous tissue complex may play a more intricate role in thermal energy exchange beyond its insulating function. This implies a multifaceted involvement of these tissues in thermoregulation.

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探索运动员在进行剧烈运动时皮肤温度与身体成分的相关性

在剧烈运动时，皮肤温度（Tsk）在体温调节过程中发挥着至关重要的作用。正如文献所指出的，皮肤温度的反应可能会受到身体组成等因素的影响。因此，本研究的目的是确定运动员在分级运动和恢复过程中选定的身体成分（特别是脂肪组织和肌肉组织）与Tsk之间是否存在相关性，并确定哪种身体成分与Tsk的相关性最强。在测试阶段观察到了明显的主效应（p < .001，η2 = 0.71），Tsk从运动开始时开始下降，在12 km/h-1时明显下降（p < .001），运动后上升，特别是在恢复的前5分钟内。研究发现，组与阶段之间的交互作用较弱且不显著（p = .374，η2 = 0.03）。在所有测试阶段，Tsk 与总组织脂肪[%]（-0.51 <r <-0.63，p <.001）和下肢组织脂肪[%]（-0.50 <r <-0.71，p <.001）之间均存在明显的负相关。Tsk 与体重指数之间的相关性并不一致，仅出现在运动的第一阶段和整个恢复过程中。没有观察到 Tsk 与骨骼肌质量、附属瘦软组织或相对骨骼肌指数之间的相关性。所观察到的脂肪组织与 Tsk 之间的反相关性，以及不同脂肪组织水平组的不同温度趋势，可能意味着皮肤和皮下组织复合体在热能交换中可能发挥着更复杂的作用，而不仅仅是隔热功能。这意味着这些组织在体温调节中的参与是多方面的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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