Exercise, Healthy Adult
Conditions
Brief summary
Healthy individuals will be tested at different times of day to determine whether exercise at a non-expected time results in poorer performance.
Interventions
BEHAVIORALTime-driven dosing
Three hours earlier or later than usual exercise
Sponsors
Stanford University
Study design
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
BASIC_SCIENCE
Masking
SINGLE (Outcomes Assessor)
Eligibility
Sex/Gender
ALL
Age
18 Years to 25 Years
Healthy volunteers
Yes
Inclusion criteria
* Healthy * 18-25 years old * Lower body exercise three or more times per week, all at the same time of day (within 2 hour window) * Regular meal times (±1 hour window) * Regular sleep times (±1 hour window)
Exclusion criteria
* Active or uncontrolled mental or physical health issues * Current musculoskeletal injury
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Isometric quadriceps strength | 15 minutes | isometric quadriceps strength as determined during dynamometer testing |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Isometric hamstring strength | 15 minutes | Hamstring strength as determined during dynamometer testing |
| Isokinetic hamstring/quad strength | 15 minutes | Hamstring/quad strength as determined during dynamometer testing |
Countries
United States
Contacts
CONTACTJason Liu
Outcome results
None listed