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Nutrients 2018, 10(7), 893; https://doi.org/10.3390/nu10070893

Post-Exercise Whole Body Cryotherapy (−140 °C) Increases Energy Intake in Athletes

Graduate School of Sport and Health Science, Ritsumeikan University, Kusatsu, Shiga 5258577, Japan
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Received: 19 June 2018 / Revised: 5 July 2018 / Accepted: 10 July 2018 / Published: 12 July 2018
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Abstract

PURPOSE: The purpose of the present study was to investigate the effect of whole-body cryotherapy (WBC) treatment after exercise on appetite regulation and energy intake. METHODS: Twelve male athletes participated in two trials on different days. In both trials, participants performed high-intensity intermittent exercise. After 10 min following the completion of the exercise, they were exposed to a 3-min WBC treatment (−140 °C, WBC trial) or underwent a rest period (CON trial). Blood samples were collected to assess plasma acylated ghrelin, serum leptin, and other metabolic hormone concentrations. Respiratory gas parameters, skin temperature, and ratings of subjective variables were also measured after exercise. At 30 min post-exercise, energy and macronutrient intake were evaluated during an ad libitum buffet meal test. RESULTS: Although appetite-regulating hormones (acylated ghrelin and leptin) significantly changed with exercise (p = 0.047 for acylated ghrelin and p < 0.001 for leptin), no significant differences were observed between the trials. Energy intake during the buffet meal test was significantly higher in the WBC trial (1371 ± 481 kcal) than the CON trial (1106 ± 452 kcal, p = 0.007). CONCLUSION: Cold exposure using WBC following strenuous exercise increased energy intake in male athletes. View Full-Text
Keywords: appetite regulation; exercise–induced anorexia; appetite-regulating hormones; cold environment; energy balance appetite regulation; exercise–induced anorexia; appetite-regulating hormones; cold environment; energy balance
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Kojima, C.; Kasai, N.; Kondo, C.; Ebi, K.; Goto, K. Post-Exercise Whole Body Cryotherapy (−140 °C) Increases Energy Intake in Athletes. Nutrients 2018, 10, 893.

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