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Kayacan, Yildirim; Makaraci, Yücel; Ozgocer, Tuba; Ucar, Cihat; Yildiz, Sedat – Research Quarterly for Exercise and Sport, 2021
Purpose: This study aimed to examine the activities of heart rate variability (HRV) and cortisol secretion as markers of the autonomous nervous system (ANS) and the hypothalamic-pituitary-adrenal axis (HPA) during the menstrual cycle in female athletes. Method: Saliva samples of the participants (n = 28) were collected successively at 0, 15, 30,…
Descriptors: Athletes, Females, Physiology, Metabolism
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Vasconcellos, Fabrício; Cunha, Felipe A.; Gonet, Deborah T.; Farinatti, Paulo T. V. – Research Quarterly for Exercise and Sport, 2021
Purpose: To evaluate whether a soccer program (RSP) might lower risk factors related to metabolic syndrome (MetS) in obese adolescents. Methods: A 12-week randomized controlled trial [RSP: n = 6 (2 girls), age = 13.9 ± 1.6 yr, body mass index = 30.5 ± 2.1 kg/m[superscript 2]; Control: n = 7 (2 girls); age = 14.7 ± 2.3 yr, body mass index: 30.8 ±…
Descriptors: Recreational Activities, Team Sports, Metabolism, Obesity
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Weber, Vinícius M. R.; Fernandes, Daniel Z.; Vieira, Edgar R.; Ferreira, Sandra A.; da Silva, Danilo F.; Queiroga, Marcos R. – Research Quarterly for Exercise and Sport, 2021
Purpose: The aim of this study was to propose field-based tests to estimate the anaerobic power of wheelchair basketball athletes. Methods: Eleven lower class wheelchair basketball players performed the Wingate test (WT) and two field-based tests (repeated sprints) of 15 (S-15) and 20 (S-20) meters. The WT provides data in Watts (W). The S-15 and…
Descriptors: Team Sports, Physical Disabilities, Assistive Technology, Athletes
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Papadakis, Zacharias; Forsse, Jeffrey S.; Peterson, Matthew N. – Research Quarterly for Exercise and Sport, 2021
Sleep deprivation in healthy adults has been associated with disrupted autonomic nervous system function, which in turn has been linked to cardiovascular health. High-intensity interval exercise (HIIE) may affect both sleep and cardiac autonomic modulation. Purpose: To investigate the impact of acute partial sleep deprivation on autonomic cardiac…
Descriptors: Exercise Physiology, Body Composition, Physical Activity Level, Physical Fitness
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Papadopoulou, Souzana K.; Feidantsis, Konstantinos G.; Hassapidou, Maria N.; Methenitis, Spyridon – Research Quarterly for Exercise and Sport, 2021
Purpose: The aim of the present study was to identify the contribution of nutrition, physical activity (PA), and total energy intake and expenditure on body weight and composition in adolescents. Methods: Body composition, PA, and dietary intakes from 904 Greek adolescents (446 boys and 458 girls; Age: 14.6 ± 1.5 yrs), were evaluated. All…
Descriptors: Nutrition, Physical Activity Level, Adolescents, Gender Differences