healthy adults
Conditions
Interventions
Participants will consume 1.5 mg of caffeine per kilogram of body weight (instant coffee) at 8:00 a.m. The intervention will be administered once daily. In the non-exercise group, assessments will be
Sponsors
Niigata University of Health and Welfare
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: An information session will be held for approximately 25 female volleyball players. Athletes who fully understand the purpose and procedures of the study and provide written informed consent will be enrolled in the study.
Exclusion criteria
Exclusion criteria: Athletes who consume caffeinated beverages less than once per week will be considered non-habitual caffeine consumers and will be excluded from the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The following assessments will be conducted approximately 12 hours after caffeine intake. In the aerobic exercise group, participants will be evaluated after completing 10 to 15 minutes of aerobic exercise. In the non-exercise group, participants will be evaluated immediately 12 hours after caffeine intake. Outcome measures: Subjective fatigue will be assessed using a questionnaire, and cognitive function will be evaluated using the Stroop test. | — |
Countries
Japan
Contacts
Public ContactHiromi Inaba
Niigata University of Health and Welfare Department of Health and Nutrition, Faculty of Health Sciences
Outcome results
None listed