THE RELATIONSHIP BETWEEN BODY COMPOSITION AND NUTRITION IN FEMALE SUBJECTS WITH DIFFERENT NUTRITIONAL STATUS UNDER EXAM STRESS
Abstract
Aim. The paper aims to identify the relationship between body composition and nutrition in female subjects with different nutritional status under standard conditions and exam stress. Material and methods. The study involved three groups of female subjects with different body mass index (BMI): the first group included female subjects with a BMI < 18.5 kg/m² (weight deficit), the second group – with a BMI > 18.5 and < 24.9 kg/m² (normal body weight), the third group - with a BMI > 24.9 kg/m² (excess weight). Body composition was measured by bioimpedance method. Nutritional status was evaluated by the 24-hour recall method at rest and under exam stress. Results. In different conditions, regardless of BMI, euriplastic female subjects accumulated body mass mainly due to the protein and fat components. Subjects with weight deficit demonstrated that in narrow-bone female subjects emotional stress activated the accumulation of all elements, thus, improving the functional reserves of the body. Carbohydrate levels and the energy value of the diet were responsible for the metabolic rate in this group. Under standard conditions, macronutrients mostly affected body composition in subjects with subathletic somatotype. Conclusion. The body composition of female subjects with normal body weight and weight deficit correlates with the macronutrient composition of their daily diet. Accumulation of fat in female subjects with normal body weight and excess weight, regardless of conditions, is associated with the fat component of nutrition. The greatest stress and a shift towards the accumulation of all components during exams was observed in narrow-bone female subjects with weight deficit.
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