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Assessment of energy availability and associated risk factors in professional female soccer players.
Moss, Samantha L; Randell, Rebecca K; Burgess, Darren; Ridley, Stephanie; ÓCairealláin, Cairbre; Allison, Richard; Rollo, Ian.
Afiliación
  • Moss SL; Department of Sport and Exercise Sciences, University of Chester, Chester, UK.
  • Randell RK; Gatorade Sports Science Institute, R&D Life Sciences, PepsiCo, Leicestershire, UK.
  • Burgess D; Gatorade Sports Science Institute, R&D Life Sciences, PepsiCo, Leicestershire, UK.
  • Ridley S; School of Sports, Exercise and Health Sciences, Loughborough University, UK.
  • ÓCairealláin C; Arsenal Football Club, London, UK.
  • Allison R; Arsenal Football Club, London, UK.
  • Rollo I; Arsenal Football Club, London, UK.
Eur J Sport Sci ; 21(6): 861-870, 2021 Jun.
Article en En | MEDLINE | ID: mdl-32633208
This study aimed to assess energy availability (EA), alongside possible risk factors of reduced or low EA of professional female soccer players during a competitive season. Thirteen players (age: 23.7 ± 3.4 y, stature: 1.69 ± 0.08 m, body mass: 63.7 ± 7.0 kg) engaged in a 5-day (two rest days, one light training, heavy training and match day) monitoring period. Energy intake (EI) and expenditure during exercise (EEE) were measured. EA was calculated and categorised as optimal, reduced or low (>45, 30-45, <30 kcal·kg FFM-1·day-1, respectively). Relationships between EA and bone mineral density, resting metabolic rate (RMR), plasma micronutrient status, biochemical markers and survey data were assessed. EA was optimal for 15%, reduced for 62% and low for 23% of players. Higher EA was observed on rest days compared to others (P<0.05). EA was higher for the light compared to the heavy training day (P<0.001). EEE differed significantly between days (P<0.05). EI (2124 ± 444 kcal), carbohydrate (3.31 ± 0.64 g·kg·day-1) and protein (1.83 ± 0.41 g·kg·day-1) intake remained similar (P>0.05). Survey data revealed 23% scored ≥8 on the Low Energy Availability in Females Questionnaire and met criteria for low RMR (ratio <0.90). Relationships between EA and risk factors were inconclusive. Most players displayed reduced EA and did not alter EI or carbohydrate intake according to training or match demands. Although cases of low EA were identified, further work is needed to investigate possible long-term effects and risk factors of low and reduced EA separately to inform player recommendations.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Fútbol / Ingestión de Energía / Metabolismo Energético / Acondicionamiento Físico Humano Tipo de estudio: Etiology_studies / Prognostic_studies / Risk_factors_studies Límite: Adult / Female / Humans Idioma: En Revista: Eur J Sport Sci Año: 2021 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Fútbol / Ingestión de Energía / Metabolismo Energético / Acondicionamiento Físico Humano Tipo de estudio: Etiology_studies / Prognostic_studies / Risk_factors_studies Límite: Adult / Female / Humans Idioma: En Revista: Eur J Sport Sci Año: 2021 Tipo del documento: Article Pais de publicación: Reino Unido