Abstract

In regard of researches shortage about influences of various kinds of resistance trainings, the purpose of the present study was comparison of acute and chronic effects of two types of continuous and intermittent resistance trainings on urinary excretions of sodium and potassium among active young men. Twenty 24-30 years old young men were randomly divided to two groups of continuous and intermittent trainings. The both groups participated in 8 weeks progressive resistance trainings. Urinary samples were taken from the subjects, before, immediately then and two hrs after the first test (48 hrs before the trainings beginning) and the final one (48 hr after the trainings ending). In order to compare variations of variables in both continuous and intermittent groups, analysis of variance test with repeated measurements was implemented. Both urinary sodium and potassium significantly reduced in the two continuous and intermittent groups (P 0.05). However, the decreases in urinary electrolytes could result from homeostasis consistencies and responses, but in order to draw a rather clear conclusion, we need more accurate and controlled investigations, in the future.

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