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MEDICINA DELLO SPORT
A Journal on Sports Medicine
Official Journal of the Italian Sports Medicine Federation
Indexed/Abstracted in: BIOSIS Previews, EMBASE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 0,163
Medicina dello Sport 2009 March;62(1):33-43
language: English, Italian
Effects of interval training on lipid profiles of adolescent Nigerian boys and girls
Adeyanju E. S. 1, Atiku M. 2, Toriola A. L. 3
1 Department of Physical and Health Education Federal College of Education, Kano, Nigeria
2 Department of Biochemistry, Bayero University, Kano, Nigeria
3 Department of Sports Rehabilitation and Dental Services Tshwane University of Technology, Pretoria, South Africa
Aim. The aim of this study was to assess the effects of interval training on the lipid profiles of adolescent Nigerian boys (N.=30. and girls (N.=30).
Methods. The lipid profiles assessed included the Very Low Density Lipoprotein-Cholesterol (VLDL-C); Low Density Lipoprotein-Cholesterol (LDL-C); and the High Density Lipoprotein-Cholesterol (HDL-C). Pre-, mid- and post-test values of these lipoprotein subfractions were determined from blood samples obtained from participants 24 hours prior to training, after 6 weeks and at the end of exercise program respectively. The subjects were randomly selected and divided into two equal groups of 30 subjects (M=15; F=15. for experimental (Interval training. and control. The experimental group was exposed to 12-week training while the control group did not participate in the running program.
Results. Findings revealed significant sex-specific reductions in VLDL-C (F=11.579; P<0.05), LDL-C (F=29.759; P<0.05. and a significant sex-specific increase in HDL-C (F=34.541; P<0.05).
Conclusion. The greater modifications found in females than in males (except in HDL-C. due to training were possibly as a result of initial fitness level, enzymatic and hormonal modifications at sub-cellular level during training. Implications of the findings for health and fitness were discussed.