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IJCRR. 2017; 9(16): 36-42

Profiling of Body Hydration and Related Blood Parameters under Hot-Arid Conditions among Indian Population doing Graded Physical Activity

Abhishek Bharadwaj; T. P. Baburaj; Amir Chand Bajaj; Gulab Singh; Usha Panjwani; Shashi Bala Singh.

This study highlights the effect of extreme heat stress exposure (WBGT Index 36.24°C) on hematological variables while performing graded physical activity (sedentary, moderate and heavy). Total 30 participants were involved in the study and were randomly distributed into batches of 10 under three categories of physical activity. Volunteers performed physically strenuous work while being exposed to ambient heat stress (hot –arid conditions). White Blood Corpuscles (WBC) count in heavy work group [506 kcal/ hr energy expenditure] showed significant increase from pre to post exposure (p < 0.01). No other group showed significant change in WBC count. Haematocrit % (Hct %) was significantly increased among heavy work group (p < 0.01) whereas Red Blood Corpuscles (RBC) count and Red Blood Cell Distribution Width (RDW) showed no significant increase. Blood viscosity showed increase among moderate work group [412kcal / hr energy expenditure] (p

Key words: Heat Stress;Graded work;Hypo-hydration;Blood parameters

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