Hormone cycle may change how women handle tough workouts

NCT ID NCT05934708

First seen Mar 25, 2026 · Last updated Jun 09, 2026 · Updated 14 times

Summary

This study looks at how natural changes in estrogen and progesterone during the menstrual cycle affect a woman's readiness for exercise, how hard exercise feels, and recovery after a challenging downhill run. Researchers will measure perceived readiness, muscle soreness, and inflammatory markers in 30 healthy women aged 18-35 who are not on hormonal birth control. The goal is to understand how these hormones influence the body's response to exercise.

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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Clinical Exercise Research Center

    RECRUITING

    Los Angeles, California, 90033, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

Conditions

Explore the condition pages connected to this study.