THE EFFECT OF MODERATE EXERCISE ON SERUM IMMUNOGLOBULIN LEVELS AMONG SECONDARY SCHOOLCHILDREN
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Date
2001-05
Authors
NOR FARAH, MOHAMAD FAUZI
Journal Title
Journal ISSN
Volume Title
Publisher
Pusat Pengajian Sains Perubatan Universiti Sains Malaysia
Abstract
Recent studies have reported that enhancement in immunity occur following a moderate
exercise bout, acommpanied by an increase in neutrophils, lymphocytes, augmented NK
cells activity, and an increase in serum immunoglobulins levels. However, limited
empirical evidence exists on the influence of moderate exercise training on humoral
immunity, particularly among the youth. Therefore, the aim of the present study was to
investigate the relationship between moderate exercise training and changes in serum
immunoglobulin levels in adolescents.
Thirty-five (n=35), physically inactive male residential school-going students aged 16
years, matched for BMI and fitness level were recruited and subjected to three 45-minute
jogging sessions per week at 60% to 75% of heart rate reserve. A lO-ml blood sample was
collected from each subject prior to and after the implementation of exercise programme
for the determination of serum immunoglobulins using single radial immunodiffusion
technique. Results were analyzed using Student's paired-t test.
Serum IgG and IgM levels were found to be significantly (p<0.001) increased (13.79 ±
0.27 gil and 1.34 ± 0.02 gil respectively) after eight weeks of exercise training relatively to
baseline values. A significant (p<O.05) increases in erythrocyte, hemoglobin, and
haematocrit levels were also observed. No differences were observed in IgA levels,
leukocyte, and platelet counts. The eight weeks of moderate exercise training also resulted
in a significant (p<O.OO I) decrease in resting heart rate and improved I-Mile run
performance.
This study indicates that eight weeks of moderate exercise training produced significant
increases in serum IgG and IgM levels as well as other hematological parameters in
previously physically inactive adolescents.
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Keywords
Sport Science