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Órgano oficial de difusión de la Federación Mexicana de Patología Clínica, AC y de la Asociación Latinoamericana de Patología Clínica/Medicina de Laboratorio

2003, Number 2

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Rev Mex Patol Clin Med Lab 2003; 50 (2)

Influence of body fat and gender on the acute response of serum lipids to exercise

Salgado OML, Rivera CAE, Habacuc MM, Sánchez-González JM, Mancera A A, Aboytes MJ, Tovar GJL

Language: Spanish
References: 26
Page: 58-70
PDF size: 116.96 Kb.


ABSTRACT

Objective: To determine the influence of the corporal fat and gender on serum lipids response on intense physical exercise in an athlete’s sample with dissimilar aerobic capacity. Material and methods: Through an experimental study, nine men and twelve young women were studied, they underwent to a test of maximum physical exercise to assess the abrupt answer of serum lipids. The experimental design consisted of a prospective, longitudinal and comparative study. The following measurements were studied in the subjects: body composition assessment, aerobic fitness and serum lipids before and after exercise. Mean, standard error of the mean, Student’s t-test and simple linear regression analysis were used to compare the relationships among variables of interest. A p value of ‹ 0.05 was required for statistical significance. Results: We found a statistically significance increase in the serum cholesterol concentration (p = 0.04) and post-exercise C-HDL (p = 0.02) in males. Females had a statistically significance increase in serum cholesterol (p = 0.02), HDL-C (p = 0.05), triglycerides (p = 0.05) and VLDL (p = 0.05). There was not statistically significant correlation between of serum lipids levels and body fat index for both subjects, male and female. However, there was a significant correlation statistically significant between VO2max and HDL-C post-exercise for male subjects (r = 0.8). The cholesterol and LDL-C, variation percentage showed significant correlation with VO2max (r = 0.6) for male subjects. Conclusions: Results suggest that exercise has definitive acute effects in both, serum lipids and lipoproteins, which are affected by gender, diet, aerobic capacity and the body mass index of the subjects. Knowledge of the possible variations of lipids and lipoproteins are necessary for a complete evaluation of the impact of the physical exercise.


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