Exercise-induced dehydration
Conditions
Interventions
Exercise dehydration test:All exercise-induced dehydration tests will be conducted in a laboratory setting using a cycle ergometer (Monark 839E, Sweden). Throughout each exercise session, participants
Sponsors
Beijing Sport University
Eligibility
Sex/Gender
Female
Age
20 Years to 30 Years
Inclusion criteria
Inclusion criteria: (1) Age 20–30 years; (2) Regular endurance training habit, defined as >=3 sessions/week (each >=30 minutes) for >6 months; (3) Regular menstrual cycles in the past year (30–35 days) without severe menstrual discomfort; (4) No participation in any clinical or nutritional intervention studies within 1 month prior to the experiment; (5) No clinically diagnosed diseases (including but not limited to cardiovascular disease, metabolic disorders, kidney disease, thyroid dysfunction, or polycystic ovary syndrome); (6) No smoking or heavy alcohol use; (7) Not taking hormonal medications, contraceptives, or other drugs that may affect hydration status; (8) Voluntary participation with signed informed consent and ability to adhere to the study protocol.
Exclusion criteria
Exclusion criteria: (1) Menstrual cycle disorders (including functional amenorrhea, polycystic ovary syndrome, etc.) or severe dysmenorrhea that affects exercise; (2) Presence of significant dehydration risk (e.g., recent fluid loss due to illness or training, or a prior medical history related to dehydration); (3) Diagnosed diseases affecting sweat secretion or hydration status (e.g., endocrine disorders, renal dysfunction or chronic kidney disease, anemia, etc.); (4) Requirement to take hormonal medications or contraceptives during the study period; (5) Allergic reactions to sweat patches or wearable sweat sensor patches.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Plasma Osmolality;Hematocrit;Hemoglobin;Sweat K+;Sweat Na+;Body weight;Ten urine items; | — |
Secondary
| Measure | Time frame |
|---|---|
| Estrogen;Progesterone; | — |
Countries
China
Contacts
Public ContactQiu Junqiang
Beijing Sport University
Outcome results
None listed