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Hormonal and renal responses to water drinking in moderately trained and untrained humans
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| Zeitschriftentitel: | American Journal of Physiology-Regulatory, Integrative and Comparative Physiology |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 254, 1988, 3, S. R417-R423 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Physiological Society
|
| Schlagwörter: |
| author_facet |
Freund, B. J. Claybaugh, J. R. Hashiro, G. M. Dice, M. S. Freund, B. J. Claybaugh, J. R. Hashiro, G. M. Dice, M. S. |
|---|---|
| author |
Freund, B. J. Claybaugh, J. R. Hashiro, G. M. Dice, M. S. |
| spellingShingle |
Freund, B. J. Claybaugh, J. R. Hashiro, G. M. Dice, M. S. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology Hormonal and renal responses to water drinking in moderately trained and untrained humans Physiology (medical) Physiology |
| author_sort |
freund, b. j. |
| spelling |
Freund, B. J. Claybaugh, J. R. Hashiro, G. M. Dice, M. S. 0363-6119 1522-1490 American Physiological Society Physiology (medical) Physiology http://dx.doi.org/10.1152/ajpregu.1988.254.3.r417 <jats:p> Endurance exercise training alters the regulation of body fluids. To investigate specifics of these alterations, hormonal, electrolyte, and renal responses to water ingestion (1% of lean body wt) were studied in six moderately trained (T) and 6 untrained (UT) male subjects. No differences between groups for base-line hormonal, electrolyte, or renal measurements were found. After water ingestion, atrial natriuretic factor remained unaltered in both groups. Predrink plasma antidiuretic hormone (ADH) levels of 0.51 +/- (SE) 0.19 (UT) and 0.47 +/- 0.07 microU/ml (T) remained unchanged in the T group but were reduced from min 9 through 90 in the UT group. At 30 min postdrink, UT subjects had lower ADH values than T subjects (0.18 +/- 0.02 vs. 0.33 +/- 0.05 microU/ml), while plasma osmolality was similarly reduced by approximately 3 mosmol/kg in both groups. Urine flow rates increased in both groups from similar values of 0.85 +/- 0.24 (UT) and 0.67 +/- 0.11 ml/min (T) to peak flows of 4.6 +/- 1.6 for UT and 2.7 +/- 1.1 ml/min (T) to peak T, P less than or equal to 0.05) at 60 min postdrink. Urine osmolality was reduced from similar values of 809.1 +/- 62.1 and 867.0 +/- 56.1 mosmol/kg to values of 248.8 +/- 87.6 and 469 +/- 146.1 mosmol/kg for UT and T, respectively (UT vs. T, P less than 0.05), at 60 min. Reduced ADH before reductions in plasma osmolality in the UT but not the T subjects suggests that T subjects have a reduced oropharyngeal inhibition of ADH.(ABSTRACT TRUNCATED AT 250 WORDS) </jats:p> Hormonal and renal responses to water drinking in moderately trained and untrained humans American Journal of Physiology-Regulatory, Integrative and Comparative Physiology |
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| title |
Hormonal and renal responses to water drinking in moderately trained and untrained humans |
| title_unstemmed |
Hormonal and renal responses to water drinking in moderately trained and untrained humans |
| title_full |
Hormonal and renal responses to water drinking in moderately trained and untrained humans |
| title_fullStr |
Hormonal and renal responses to water drinking in moderately trained and untrained humans |
| title_full_unstemmed |
Hormonal and renal responses to water drinking in moderately trained and untrained humans |
| title_short |
Hormonal and renal responses to water drinking in moderately trained and untrained humans |
| title_sort |
hormonal and renal responses to water drinking in moderately trained and untrained humans |
| topic |
Physiology (medical) Physiology |
| url |
http://dx.doi.org/10.1152/ajpregu.1988.254.3.r417 |
| publishDate |
1988 |
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R417-R423 |
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<jats:p> Endurance exercise training alters the regulation of body fluids. To investigate specifics of these alterations, hormonal, electrolyte, and renal responses to water ingestion (1% of lean body wt) were studied in six moderately trained (T) and 6 untrained (UT) male subjects. No differences between groups for base-line hormonal, electrolyte, or renal measurements were found. After water ingestion, atrial natriuretic factor remained unaltered in both groups. Predrink plasma antidiuretic hormone (ADH) levels of 0.51 +/- (SE) 0.19 (UT) and 0.47 +/- 0.07 microU/ml (T) remained unchanged in the T group but were reduced from min 9 through 90 in the UT group. At 30 min postdrink, UT subjects had lower ADH values than T subjects (0.18 +/- 0.02 vs. 0.33 +/- 0.05 microU/ml), while plasma osmolality was similarly reduced by approximately 3 mosmol/kg in both groups. Urine flow rates increased in both groups from similar values of 0.85 +/- 0.24 (UT) and 0.67 +/- 0.11 ml/min (T) to peak flows of 4.6 +/- 1.6 for UT and 2.7 +/- 1.1 ml/min (T) to peak T, P less than or equal to 0.05) at 60 min postdrink. Urine osmolality was reduced from similar values of 809.1 +/- 62.1 and 867.0 +/- 56.1 mosmol/kg to values of 248.8 +/- 87.6 and 469 +/- 146.1 mosmol/kg for UT and T, respectively (UT vs. T, P less than 0.05), at 60 min. Reduced ADH before reductions in plasma osmolality in the UT but not the T subjects suggests that T subjects have a reduced oropharyngeal inhibition of ADH.(ABSTRACT TRUNCATED AT 250 WORDS) </jats:p> |
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| description | <jats:p> Endurance exercise training alters the regulation of body fluids. To investigate specifics of these alterations, hormonal, electrolyte, and renal responses to water ingestion (1% of lean body wt) were studied in six moderately trained (T) and 6 untrained (UT) male subjects. No differences between groups for base-line hormonal, electrolyte, or renal measurements were found. After water ingestion, atrial natriuretic factor remained unaltered in both groups. Predrink plasma antidiuretic hormone (ADH) levels of 0.51 +/- (SE) 0.19 (UT) and 0.47 +/- 0.07 microU/ml (T) remained unchanged in the T group but were reduced from min 9 through 90 in the UT group. At 30 min postdrink, UT subjects had lower ADH values than T subjects (0.18 +/- 0.02 vs. 0.33 +/- 0.05 microU/ml), while plasma osmolality was similarly reduced by approximately 3 mosmol/kg in both groups. Urine flow rates increased in both groups from similar values of 0.85 +/- 0.24 (UT) and 0.67 +/- 0.11 ml/min (T) to peak flows of 4.6 +/- 1.6 for UT and 2.7 +/- 1.1 ml/min (T) to peak T, P less than or equal to 0.05) at 60 min postdrink. Urine osmolality was reduced from similar values of 809.1 +/- 62.1 and 867.0 +/- 56.1 mosmol/kg to values of 248.8 +/- 87.6 and 469 +/- 146.1 mosmol/kg for UT and T, respectively (UT vs. T, P less than 0.05), at 60 min. Reduced ADH before reductions in plasma osmolality in the UT but not the T subjects suggests that T subjects have a reduced oropharyngeal inhibition of ADH.(ABSTRACT TRUNCATED AT 250 WORDS) </jats:p> |
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| spelling | Freund, B. J. Claybaugh, J. R. Hashiro, G. M. Dice, M. S. 0363-6119 1522-1490 American Physiological Society Physiology (medical) Physiology http://dx.doi.org/10.1152/ajpregu.1988.254.3.r417 <jats:p> Endurance exercise training alters the regulation of body fluids. To investigate specifics of these alterations, hormonal, electrolyte, and renal responses to water ingestion (1% of lean body wt) were studied in six moderately trained (T) and 6 untrained (UT) male subjects. No differences between groups for base-line hormonal, electrolyte, or renal measurements were found. After water ingestion, atrial natriuretic factor remained unaltered in both groups. Predrink plasma antidiuretic hormone (ADH) levels of 0.51 +/- (SE) 0.19 (UT) and 0.47 +/- 0.07 microU/ml (T) remained unchanged in the T group but were reduced from min 9 through 90 in the UT group. At 30 min postdrink, UT subjects had lower ADH values than T subjects (0.18 +/- 0.02 vs. 0.33 +/- 0.05 microU/ml), while plasma osmolality was similarly reduced by approximately 3 mosmol/kg in both groups. Urine flow rates increased in both groups from similar values of 0.85 +/- 0.24 (UT) and 0.67 +/- 0.11 ml/min (T) to peak flows of 4.6 +/- 1.6 for UT and 2.7 +/- 1.1 ml/min (T) to peak T, P less than or equal to 0.05) at 60 min postdrink. Urine osmolality was reduced from similar values of 809.1 +/- 62.1 and 867.0 +/- 56.1 mosmol/kg to values of 248.8 +/- 87.6 and 469 +/- 146.1 mosmol/kg for UT and T, respectively (UT vs. T, P less than 0.05), at 60 min. Reduced ADH before reductions in plasma osmolality in the UT but not the T subjects suggests that T subjects have a reduced oropharyngeal inhibition of ADH.(ABSTRACT TRUNCATED AT 250 WORDS) </jats:p> Hormonal and renal responses to water drinking in moderately trained and untrained humans American Journal of Physiology-Regulatory, Integrative and Comparative Physiology |
| spellingShingle | Freund, B. J., Claybaugh, J. R., Hashiro, G. M., Dice, M. S., American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, Hormonal and renal responses to water drinking in moderately trained and untrained humans, Physiology (medical), Physiology |
| title | Hormonal and renal responses to water drinking in moderately trained and untrained humans |
| title_full | Hormonal and renal responses to water drinking in moderately trained and untrained humans |
| title_fullStr | Hormonal and renal responses to water drinking in moderately trained and untrained humans |
| title_full_unstemmed | Hormonal and renal responses to water drinking in moderately trained and untrained humans |
| title_short | Hormonal and renal responses to water drinking in moderately trained and untrained humans |
| title_sort | hormonal and renal responses to water drinking in moderately trained and untrained humans |
| title_unstemmed | Hormonal and renal responses to water drinking in moderately trained and untrained humans |
| topic | Physiology (medical), Physiology |
| url | http://dx.doi.org/10.1152/ajpregu.1988.254.3.r417 |