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Previous studies have shown fatigue significantly impacts one’s ability to perform activities of daily living and work-related tasks. Further research is needed to identify why this occurs, especially in women.  This study aims to determine specific physiological mechanisms that could contribute to performance fatigability in women.

Who is eligible? Any eumenorrheic (normally menstruating) women not taking hormonal contraceptive between the ages of 18-30 with a BMI between 18.5-24.9 kg/m2 or greater than 30 kg/m2.  To calculate your BMI, please click on the link.

What will you be asked to do? Participation will include 3 visits to Fetzer Hall on the UNC-Chapel Hill campus.  We will ask you to complete a brief survey about your health, assess your body composition, and examine your vascular function (e.g. blood flow), muscle strength, and how active your muscles are prior to and following a bout of exercise.

What will we do with your information? All data collected from you will be confidential and will not be shared with anyone outside our research team.

Any compensation? You will receive a free body composition analysis and up to $50 for completing the study.  Free parking will also be provided during your visits to the lab.


If interested, please contact Amber Schmitz ( by email.


Study Team Members:

Amber Schmitz, BA – Project PI

Eric Ryan, PhD

Gena Gerstner, PhD, MPH

Nicholas Buoncristiani, MS

Jackson Hollingsworth, BA


Funding for this project was provided by the National Strength and Conditioning Association and University of North Carolina Center for Women’s Health Research.


For any IRB related questions, please call 919-966-3113.