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Penn State Exercising Women's Study
This study aims to assess energy status in young sedentary and exercising women as it is related to menstrual status, bone health, psychological health, sleep variables, and cardiovascular function.
There will be three to four visits to the laboratory. Procedures include questionnaires, a blood draw, providing a hair sample, cardiovascular measurements, and bone scans, as well as resting metabolic rate, cognitive, aerobic fitness, and countermovement jump testing. Participants will be asked to collect urine samples throughout one menstrual cycle, or 28 days for amenorrheic females. Exercise and physical activity will be recorded and monitored for seven days via logs and wearables. Food intake will be recorded for three days. Collegiate athletes will be tested twice; in-season and off-season.
Age 18-30 years
Body Mass Index between 16-29.9 kg/m2
For sedentary participants: less than 2 hours of purposeful exercise per week and regular menstrual cycles for the last 6 months (i.e. cycles between 26 and 35 days in length)
For exercising participants: exercise at least 2 hours per week AND/OR participate in collegiate athletics. Exercising participants can have regular or irregular menstrual cycles for the last 6 months.
Currently a smoker or history of regular smoking
Taking any hormonal therapy in the past six months
Serious or chronic health condition (including heart condition, thyroid illness, metabolic disease)
Hysterectomy or oophorectomy