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| Name | Class |
|---|---|
| Kaohsiung Medical University | OTHER |
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The purpose of the present study is to investigate the effect of different rate of fluid consumption on post-exercise rehydration.
The body water deficits equivalent to 2% body mass might impair performance. Due to high exercise intensity, thermal environment, or rule limitation, athletes often in dehydration status post-exercise. Thus, how to rehydrate effectively to prepare the next game is important. The participants arrived to the lab euhydrated and were dehydrated to 2% of body weight by running. After a rest, they will ingest sports drink in a volume equivalent to 150% of BW loss in 30 min, 60 min, or 90 min. Urine and blood sample will be collected to evaluate hydration status.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 30min | Experimental | The participants arrived to the trials euhydrated and were dehydrated to 2% of body weight (BW) by running. After a rest, they ingested sports drink in a volume equivalent to 150% of BW loss in 30 min. |
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| 60min | Experimental | The participants arrived to the trials euhydrated and were dehydrated to 2% of body weight (BW) by running. After a rest, they ingested sports drink in a volume equivalent to 150% of BW loss in 60 min. |
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| 90min | Experimental | The participants arrived to the trials euhydrated and were dehydrated to 2% of body weight (BW) by running. After a rest, they ingested sports drink in a volume equivalent to 150% of BW loss in 90 min. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Different Fluid Ingestion Rate | Procedure | The participants ingested sports drink in a volume equivalent to 150% of BW loss, in 30 min, 60 min, or 90min. |
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| Measure | Description | Time Frame |
|---|---|---|
| specific gravity of urine(SG) | dehydration: >= 1.020 | Change from baseline outcome measure at dehydration and 1st and 2nd hour in recovery period |
| Osmolality(Urine) | dehydration: >= 700 mosm/kg | Change from baseline outcome measure at dehydration and 1st and 2nd hour in recovery period |
| Osmolality(Blood) | dehydration: >= 290 mosm/kg | Change from baseline outcome measure at dehydration and 1st and 2nd hour in recovery period |
| Vasopressin | Vasopressin, also called antidiuretic hormone (ADH), arginine vasopressin (AVP) or argipressin, is a hormone synthesized as a peptide prohormone in neurons in the hypothalamus, and is converted to AVP. Increasing the water reabsorption and excretion of more concentrated urine. | Change from baseline outcome measure at dehydration and 1st and 2nd hour in recovery period |
| sodium(blood) | 135~145mEq/L | Change from baseline outcome measure at dehydration and 1st and 2nd hour in recovery period |
| Body weight change | measure body weight at baseline, dehydration, 1st and 2nd hour in recovery period in kg | Change from baseline outcome measure at dehydration and 1st and 2nd hour in recovery period |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| JIAN-YU LIN | Contact | 886-7-342-2121 | 8248 | linchainyu0822@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| JIAN-YU LIN | Kaohsiung Veterans General Hospital. | Principal Investigator |
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| ID | Term |
|---|---|
| D003681 | Dehydration |
| ID | Term |
|---|---|
| D014883 | Water-Electrolyte Imbalance |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D010335 | Pathologic Processes |
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| D013568 | Pathological Conditions, Signs and Symptoms |