Status:
RECRUITING
Effects of Hydration Changes on Neuromuscular Function of Athletes
Lead Sponsor:
Faculdade de Motricidade Humana
Conditions:
Dehydration
Hyperhydration
Eligibility:
All Genders
18-35 years
Phase:
NA
Brief Summary
Greater muscular strength and power are relevant qualities for athletic success and decreased injury rate. It is known that dehydration impairs muscular strength and power, although the explanation fo...
Detailed Description
Athletes are dependent on muscular strength as it is associated with a higher rate of force development and muscular power, general and specific sports skills performance, and decreased injury rates. ...
Eligibility Criteria
Inclusion
- Highly trained athletes (i.e., participating in national and international championships and/or ≥6 h of training per week)
- Athletes considered low drinkers (i.e., total water intake ≤ 35ml/kg/)
- Aged between 18 and 35 years
- Living in Lisbon and/or its surroundings
- All women should have a (self-reported) normal menstrual cycle (i.e., cycles at median intervals of less than 35 days)
- Completion of the sport's medical examination
Exclusion
- Total water intake above 35ml/kg/day.
- Clinical history compatible with exertional heat illness (i.e., heat stroke, heat exhaustion, hyperthermia, among other events that suggest poor response to thermically challenging environments)
- Taking medication known to alter the normal fluid-electrolyte balance, plasma osmolality, urinary osmolality, or the chronotropic response to exercise (e.g., diuretics, antidiuretics, laxatives, oral contraceptives, drugs to control blood pressure (39)
- Exhibiting self-reported metabolic disorders or malfunction of salivary glands
- Active smoking status
- Unwilling to abstain from alcohol during this study
- Respiratory disorders, including asthma
- Injuries that would limit exercise performance
- Mechanical prostheses
- Pregnancy /planning to get pregnant within the next 8 months
- Having been pregnant within the past 6 months or breastfeeding
- Failure to complete the dietary intake and physical activity recording
- Unable to communicate with local study staff
- Needle phobia
- Inability to complete the study within the designated time frame because of plans to move out of the study area or occurrence of competition periods during the study timeframe
- Inability to attend the visits/appointments and evaluation measurements
Key Trial Info
Start Date :
November 1 2021
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
December 31 2024
Estimated Enrollment :
50 Patients enrolled
Trial Details
Trial ID
NCT05380089
Start Date
November 1 2021
End Date
December 31 2024
Last Update
May 29 2024
Active Locations (1)
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1
Faculdade Motricidade Humana
Lisbon, Portugal, 1495-751