None
Conditions
Interventions
within-subject control:A within-subject crossover design was used. Participants completed tests with placebo or sodium bicarbonate supplementation in both the early follicular phase and mid-luteal pha
Sponsors
Beijing Sport University
Eligibility
Sex/Gender
Female
Age
19 Years to 24 Years
Inclusion criteria
Inclusion criteria: 1. Age: 18-35 years old, menstrual cycle length: 21-35 days. 2. Participation in team ball sports with a certificate of level 2 or higher. 3. No use of hormonal contraceptives in the past 6 months. 4. No recent history of injuries or any cardiovascular, respiratory, renal, or gastrointestinal conditions. 5. Signature of an informed consent form.
Exclusion criteria
Exclusion criteria: 1. Irregular menstrual cycle (variation > 7 days). 2. Diagnosis of gynecological conditions such as polycystic ovary syndrome (PCOS) and endometriosis. 3. Pregnancy or lactation. 4. Smoking or excessive alcohol consumption. 5. History of allergy or intolerance to sodium bicarbonate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Peak power;Average power;Minimum power.;Fatigue index.;heart rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| The concentration of bicarbonate in the blood;pH;Lac; | — |
Countries
China
Contacts
Public ContactShi Wenyang
Beijing Sport University
Outcome results
None listed