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Male participants needed for international study on lifestyle and testosterone
- For Staff and Students
- Research participant call-outs
Healthy male volunteers aged 18-60 are needed for a collaborative study between 91自拍 and Portugal that explores how body mass and physical activity affect metabolic and endocrine health. Participants will receive a free, gold-standard VO2max fitness assessment and a Bioelectrical Impedance Analysis (BIA) body composition analysis. This will allow us to study the effects of physical activity on testosterone production, correlating it with male reproductive health.
This project represents a unique international research collaboration between 91自拍 (School of Sport, Exercise and Health Sciences) and the University of Aveiro in Portugal. By taking part, you will have the opportunity to undergo a comprehensive physiological assessment in the state-of-the-art laboratories at the National Centre for Sport and Exercise Medicine (NCSEM), receiving detailed data regarding your own physical fitness and body composition.
What are the benefits of participating?
- Free body composition assessment
- Free VO2 max test
- Refreshment after tests
- Blood analysis (biochemical and endocrine parameters)
What’s involved?
Just two lab visits:
Visit one: Screening and Measurements (~1 hour)
- Info and brief health questionnaires
- Height, weight, and body measurements (No fasting needed!)
Visit two: Fitness Testing and Blood Samples (~2 hours)
- Done after an overnight fast
- Body composition assessment
- Pre- and post-exercise blood samples
- A treadmill fitness test tailored to your age (8-12 minutes)
- Free refreshments provided after!
Inclusion Criteria
We are looking to recruit healthy men aged between 18 and 60 years. A health screen questionnaire must be completed by each participant who volunteers to take part in the study. The inclusion criteria are as follows:
- Biological male
- Body mass index (BMI) between 18.5 kg/m2 and 40 kg/m2
- Non-smoker (vaping is considered smoking in this study)
- No known medical conditions (e.g., diabetes, heart condition)
- Not taking any medication which may affect the study outcomes (e.g., insulin, anabolic steroids, anti-psychotics)
- Not currently dieting and weight stable for three months (< 3 kg change in weight)
- No previous bariatric surgery (e.g., gastric bypass, gastric band, sleeve gastrectomy)
- Not recently donated blood (within eight weeks of visits 1 and 2)
- Able to perform physical fitness assessments such as a treadmill test or handgrip strength test
If you have any questions or would like to take part in this study, please contact R.De-Jesus-Moreira@lboro.ac.uk
This study is part of a PhD project conducted by Ruben Moreira, supervised by Prof. David J. Stensel and Dr. Alice Thackray.
This project has been approved by the University of Loughborough’s Human Research Ethics Committee (LEON ID 25119).
Posted by Ruben Moreira (extension +351910619964)