Accuracy of urine specific gravity and osmolality as indicators of hydration status

Article Abstract:

An investigation compares the sensitivity of urine specific gravity [U(sub sg)], urine osmolality [U(sub osm)] and plasma osmolality [P(sub osm)] at progressive stages of acute hypertonic dehydration and determined whether [U(sub sg)] or [U(sub osm)] accurately reflected hydration status. Incremental changes in [P(osm)] were observed as subjects dehydrated by 5% of body weight and rehydrated while [U(sub sg)] and [U(sub osm)] showed delayed dehydration-related changes.

Dehydration (Physiology)

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Effectiveness of glycerol as a rehydrating agent

Article Abstract:

This article examines the beneficial effects of glycerol on physiological responses to exhaustive exercise following a dehydration and rehydration protocol. Findings indicate that subjects who consumed a water and glycerol solution during rehydration had improved plasma volume restoration and exercise test performance when compared to subjects that only consumed water.

United States, Statistical Data Included, Measurement, Physiological aspects, Exercise physiology, Hydration, Rehydration solutions, Oral rehydration fluids, Glycerol, Blood plasma

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The effect of 4 wk of oral Echinacea supplementation on serum erythropoietin and indices of erythropoietic status

Article Abstract:

The alteration if any on erythroid growth factors and erythropoietic status after the oral administration of Echinacea supplementation is presented.

Dosage and administration, Erythrocytes, Red blood cells, Erythropoiesis, Echinacea

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