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Metadados | Descrição | Idioma |
---|---|---|
Autor(es): dc.contributor | Universidade Estadual Paulista (UNESP) | - |
Autor(es): dc.contributor | Universidade de São Paulo (USP) | - |
Autor(es): dc.creator | Batitucci, Gabriela | - |
Autor(es): dc.creator | Faria Junior, Eli V. | - |
Autor(es): dc.creator | Nogueira, Jonatas E. | - |
Autor(es): dc.creator | Brandão, Camila F. C. | - |
Autor(es): dc.creator | Abud, Gabriela F. | - |
Autor(es): dc.creator | Ortiz, Gabriela U. | - |
Autor(es): dc.creator | Marchini, Julio S. | - |
Autor(es): dc.creator | Freitas, Ellen C. | - |
Data de aceite: dc.date.accessioned | 2025-08-21T15:19:43Z | - |
Data de disponibilização: dc.date.available | 2025-08-21T15:19:43Z | - |
Data de envio: dc.date.issued | 2023-03-01 | - |
Data de envio: dc.date.issued | 2023-03-01 | - |
Data de envio: dc.date.issued | 2022-05-26 | - |
Fonte completa do material: dc.identifier | http://dx.doi.org/10.3389/fnut.2022.884305 | - |
Fonte completa do material: dc.identifier | http://hdl.handle.net/11449/241173 | - |
Fonte: dc.identifier.uri | http://educapes.capes.gov.br/handle/11449/241173 | - |
Descrição: dc.description | Background: Intermittent fasting (IF) is a dietary approach that is widely popular due to its effects on weight and body fat loss, but it does not appear to ensure muscle mass preservation. Incorporating high-intensity interval training (HIIT) into an individual’s routine could be an attractive and viable therapeutic option for improving body composition, lifestyle and health promotion. Problematizing the emerging situation of fighting obesity, led us to clarify gaps about IF and hypothesize that IF and HIIT in conjunction may protect against muscle mass decline without impairing nitrogen balance (NB), in addition to improving the physical fitness of women with obesity. Objectives: To evaluate the effects of IF alone and combined with HIIT on body composition, NB and strength and physical fitness in women with obesity. Methods: Thirty-six women (BMI 34.0 ± 3.2; 32.2 ± 4.4 years) participated and were randomly distributed into three groups: (1) Intermittent fasting combined with exercise group (IF + EX); (2) Exercise group (EX); and (3) Intermittent fasting group (IF). The interventions took place over 8 weeks and all evaluations were performed pre and post-intervention. The HIIT circuit was performed 3x/week, for 25 mins/session, at 70–85% of the maximum heart rate. The intermittent fasting protocol was a 5:2 diet with two meals within 6 h on fasting days, being 25% of total energy intake, plus 18 h of complete fasting. The protocol was performed 2x/week and 5 days of ad libitum ingestion. Resting metabolic rate (RMR) was measured by indirect calorimetry, body composition by BodPod®, NB from urinary nitrogen, food consumption by food records and physical and strength performance were measured by physical tests. ANOVA two-way repeated measures mixed model was performed followed by Sidak post hoc (p < 0.05). This project was registered in ClinicalTrials.gov, NCT05237154. Results: There were a reduction in body weight (P = 0.012) and BMI (P = 0.031) only in the IF + EX group. There was body fat loss in the IF + EX group (−4%, P < 0.001) and in the EX group (−2.3%, P = 0.043), an increase in fat-free mass in the IF + EX group (+3.3%, P < 0.001) and also in the EX group (+2%, P = 0.043), without differences between groups and the IF group showed no changes. The NB was equilibrium in all groups. All parameters of aerobic capacity and strength improved. Conclusion: Combining IF with HIIT can promote increments in fat-free mass, NB equilibrium and improve physical fitness and strength. | - |
Descrição: dc.description | Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) | - |
Descrição: dc.description | Department of Food and Nutrition School of Pharmaceutical Sciences of Araraquara State University of São Paulo - FCFAR/UNESP | - |
Descrição: dc.description | Department of Health Sciences Ribeirão Preto Medical School University of São Paulo - FMRP/USP | - |
Descrição: dc.description | Laboratory of Exercise Physiology and Metabolism School of Physical Education and Sports of Ribeirão Preto University of São Paulo - EEFERP/USP | - |
Descrição: dc.description | Internal Medicine Department Ribeirão Preto Medical School University of São Paulo | - |
Descrição: dc.description | Department of Food and Nutrition School of Pharmaceutical Sciences of Araraquara State University of São Paulo - FCFAR/UNESP | - |
Descrição: dc.description | FAPESP: 2019/01970-0 | - |
Descrição: dc.description | FAPESP: 2019/17947-7 | - |
Idioma: dc.language | en | - |
Relação: dc.relation | Frontiers in Nutrition | - |
???dc.source???: dc.source | Scopus | - |
Palavras-chave: dc.subject | fat-free mass | - |
Palavras-chave: dc.subject | high-intensity interval training (HIIT) | - |
Palavras-chave: dc.subject | intermittent fasting (IF) | - |
Palavras-chave: dc.subject | nitrogen balance | - |
Palavras-chave: dc.subject | obesity | - |
Título: dc.title | Impact of Intermittent Fasting Combined With High-Intensity Interval Training on Body Composition, Metabolic Biomarkers, and Physical Fitness in Women With Obesity | - |
Tipo de arquivo: dc.type | livro digital | - |
Aparece nas coleções: | Repositório Institucional - Unesp |
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