Document Detail

Effects of intensity and duration of exercise on total leukocyte count in normal subjects.
MedLine Citation:
PMID:  12476857     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Leucocytes the mobile units of the protective system of the body, may circulate freely in the blood, adhere to the vascular endothelium in sites where blood flow is relatively slow and then once again re-enter the circulation in a process of continuous exchange. This process of continuous exchange of leucocytes is influenced by proper stimulation such as exercise. This study was done to observe the effects of intensity and duration of exercise on total leucocyte count. METHODS: Two groups of normal healthy male adult subjects were exercised on treadmill. Group-I performed exercise by running for a duration of 2-3 minutes, at 7% grade (4 degree inclination) and at constant speed ranging from 7.5 to 9 Km/hour while group-II walked on treadmill for a duration of 7-10 minutes at zero grade and at constant speed ranging from 5 to 6 Km/hour. Blood sample was drawn before exercise, immediately after exercise and after 30 minutes of rest after the exercise. Total leukocyte count was then done by improved Neubauer haemocytometer. RESULTS: The mean of pre-exercise total leucocyte count of Group-I subjects (n = 15) was 9750 +/- 384.47/microliter, while immediately after exercise the mean total leucocyte count increased to 17,856.66 +/- 1213.24/microliter and after 30 minutes rest, it came down to 10,396.67 +/- 648.35/microliter. Whereas, the mean of total leucocyte count of group-II subjects (n = 15) was 10,266.66 +/- 307.60/microliter pre-exercise, 16,336.66 +/- 866.30/microliter immediately post-exercise and 1162.33 +/- 718.85/microliter at 30 minutes post-exercise. The total leucocyte count increased significantly immediately after exercise and it significantly decreased after 30 minutes of rest but was still higher than the pre-exercise count in both the groups CONCLUSION: It is clearly reflected by this study that the magnitude of exercise-induced leucocytosis is higher in exercise of more intensity and less duration.
Shaukat Ali; Farman Ullah; Habib Ullah
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of Ayub Medical College, Abbottabad : JAMC     Volume:  14     ISSN:  1025-9589     ISO Abbreviation:  J Ayub Med Coll Abbottabad     Publication Date:    2002 Jul-Sep
Date Detail:
Created Date:  2002-12-12     Completed Date:  2003-01-24     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8910750     Medline TA:  J Ayub Med Coll Abbottabad     Country:  Pakistan    
Other Details:
Languages:  eng     Pagination:  16-8     Citation Subset:  IM    
Department of Physiology, Gomal Medical College, DI Khan.
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MeSH Terms
Exercise Test
Leukocyte Count*
Leukocytosis / diagnosis
Physical Endurance / physiology*
Prospective Studies
Reference Values
Running / physiology*
Sensitivity and Specificity
Time Factors

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