Once with high estradiol levels, once with low estradiol levels, no pathological condition
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: physically active women with a natural menstrual cycle (between 21 and 35 days)
Exclusion criteria
Exclusion criteria: Injuries or acute/chronic diseases Use of medication or performance-enhancing substances Hypertension Sensory disorders (e.g., due to diabetes) Circulatory and coagulation disorders (e.g., history of transient ischemic attack, stroke, angina pectoris, myocardial infarction, peripheral arterial disease) Amenorrhea or dysmenorrhea Menstrual cycle irregularities Use of contraceptives Use of hormone replacement therapy Polycystic ovary syndrome Endometriosis Metabolic disorders Use of medication affecting muscle function Eating disorders
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Fatigue after BFR training, measured by MVC and lactate Measurement time points in the early and late follicular phase MVC measured pre and post BFR training; Lactate measured pre BFR training, and at 1, 3, and 5 minutes post BFR training | — |
Secondary
| Measure | Time frame |
|---|---|
| Blood oxygen saturation, measured with a near-infrared spectroscopy device Pain perception, measured with the Visual Analogue Scale Measurement time points in the early and late follicular phase Blood oxygen saturation measured pre, during, and post BFR training; Pain perception measured pre and post BFR training. | — |
Countries
Germany
Contacts
Goethe Universität Frankfurt am Main, Fachbereich 5