About this study

The aim of this study is to determine how physical performance, fatigue and wellbeing are affected by menstrual cycle phase in footballers who have normal menstrual cycles.

The results of this study will be important to provide coaches and athletes, specifically Australian Football athletes, with a better understanding of how performance, fatigue and wellbeing may change over the menstrual cycle, which has potential implications for how training and recovery is structured.

Eligibility Requirements

  • Female
  • Playing a field-based team sport (i.e. football, soccer, rugby, field hockey)
  • Experiencing regular menstruation (i.e. has a period every 21-35 days)
  • Aged 18-45 years
  • Not using hormonal contraceptives (i.e. oral contraceptive pill, intrauterine device)
  • Have not used hormonal contraceptives in the last 3 months
  • Not perimenopausal or menopausal

Participant requirements

If you choose to take part in this study you will be required to track your menstrual cycle using a diary and be tested on three occasions at key phases of the menstrual cycle. Testing will involve completing a sleep quality, muscle soreness and wellbeing questionnaire, providing a blood sample so female sex hormone levels may be determined and undertaking a submaximal treadmill test and a series of athletic performance tests including a countermovement jump, isokinetic quadriceps and hamstring strength test, and 1500m treadmill time trial. The diary is expected to take no more than a minute to complete each day and each testing session is anticipated to take an hour to complete.

Upon completion of this study participants will be reimbursed for their time ($25 per session) and will be provided with a summary of all their test results to keep.

Contact details

For more information or to register your interest please contact the UniSA Clinical Trials Unit via phone (8302 1365) or email unisa.researchvolunteers@unisa.edu.au