Hattie H Wright

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This review updates and complements the review of energy balance and body composition in the Proceedings of the 2003 IOC Consensus Conference on Sports Nutrition. It argues that the concept of energy availability is more useful than the concept of energy balance for managing the diets of athletes. It then summarizes recent reports of the existence,(More)
BACKGROUND Modern culture has stereotyped the female body as one that is continually getting thinner. Internalization of the 'thin' ideal is partly attributable to the inner ideal to be successful combined with the external pressure imposed by media and others. Many individuals attempt to achieve these ideals by behavior modification that imposes health(More)
OBJECTIVES To examine the association between body composition (fat mass, lean mass and body mass index, BMI) and bone health (bone mineral density, BMD and fracture risk) in urban black South African women. DESIGN A cross sectional study examining associations between body composition, dietary intake (food frequency questionnaire), habitual physical(More)
Limited data are available on the female athlete triad (Triad) in athletes from minority groups. We explored subclinical and clinical Triad components amongst adolescent elite Kenyan athletes (n = 61) and non-athletes (n = 49). Participants completed demographic, health, sport and menstrual history questionnaires as well as a 5-day weighed dietary record(More)
Background/Objective:The objective of this study is to determine the relative validity of reported energy intake (EI) derived from multiple 24-h recalls against estimated energy expenditure (EEest). Basal metabolic rate (BMR) equations and physical activity factors were incorporated to calculate EEest.Subjects/Methods:This analysis was nested in the(More)
Little is known about the effects of combined micronutrient and sugar consumption on growth and cognition. In the present study, we investigated the effects of micronutrients and sugar, alone and in combination, in a beverage on growth and cognition in schoolchildren. In a 2 × 2 factorial design, children (n 414, 6-11 years) were randomly allocated to(More)
The rising prevalence of obesity and excessive adiposity are global public health concerns. Understanding determinants of changes in adiposity over time is critical for informing effective evidence-based prevention or treatment. However, limited information is available to achieve this objective. Cultural, demographic, environmental, and behavioral factors(More)
Background/Objectives:Age-related muscle and fat mass (FM) changes are ethnicity specific. We aimed to develop a cut-point for the muscle mass component of sarcopenia for black South African (SA) women, and to assess its predictive value, in comparison to established cut-points, to identify functional ability among older black SA women.Subjects/Methods:In a(More)
The WHO has called for governments to improve children's food environment by implementing restrictions on the marketing of 'unhealthy' foods to children. Nutrient profiling (NP) models are used to define 'unhealthy' foods and support child-directed food marketing regulations. The aim of the present study was to assess the suitability of the South African NP(More)
OBJECTIVES To assess the association between calcium intake and body composition in African Black and White women. DESIGN Cross-sectional survey. SETTING Metabolic unit. PARTICIPANTS A convenience sample of 106 White and 102 Black healthy urban women, 20-50 years old, stratified for body mass index (BMI). MAIN OUTCOME MEASURES Dietary calcium(More)