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- Title
O USO DE CAMISA UV DURANTE O EXERCÍCIO FÍSICO NO CALOR FAVORECE A TERMORREGULAÇÃO E O DESEMPENHO FÍSICO DE CORREDORES?
- Authors
Della Lucia, Emanuel Mattos; Martins Januário, William; Teixeira de Rezende, Leonardo Mateus; Fonseca Silva, Bruna Aparecida; Bouzas Marins, João Carlos; Bernardes Leite, Luciano; José Natali, Antônio; Prímola Gomes, Thales Nicolau
- Abstract
Introduction: Exercising has become increasingly challenging due to constant heat waves. In this scenario, the use of technologies, such as sportswear, can help practitioners to improve their performance and avoid heat illness, such as heat stroke. Objective: To evaluate the effects of wearing a shirt with ultraviolet (UV) protection on thermoregulation and running performance in a hot environment with solar radiation. Materials and Methods: Nine men (28.0±6.8 years) performed two sessions of self-regulated exercise (10km) within a hot environment with solar radiation (32°C), using black shirt without (SUV) or with (CUV) UV. Main variables analyzed were internal temperature (Tgastrointestinal), body temperature (Tbody), skin temperature (Tskin), heat storage rate (HSR), work performance rate (WPR), heart rate (HR), rate of perceived exertion (RPE), thermal comfort (TC), and thermal sensation (TS). Results: There were no differences between SUV and CUV groups in Tgastrointestinal, Tskin, Tbody, HSR, WPR, HR, RPE, TC, and TS (p>0.05). However, it was observed an increase in Tgastrointestinal, Tskin, Tbody, HSR, WPR, HR, and RPE, after 1km in relation to baseline (p<0.05). Besides, TC and ST increased after 3km in relation to baseline (p<0.05). Regarding WPR, there were significant and similar reductions between sessions in relation to the beginning of the exercise from 4km onwards. Conclusions: The use of a shirt with UV protection during physical exercise did not improve thermoregulation and the performance of runners.
- Publication
Revista Brasileira de Prescrição e Fisiologia do Exercício, 2024, Vol 18, Issue 114, p167
- ISSN
1981-9900
- Publication type
Article