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Examining the Role of Female Endogenous Sex Hormones in Eccentric Exercise

NCT05934708 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 30

Last updated 2026-03-25

No results posted yet for this study

Summary

The fluctuating concentrations of female sex hormones, namely estrogen and progesterone may have an effect on the ability of the tissue to withstand challenging exercise conditions, such as eccentric exercise. These sex hormones have also been purported to influence the perceived difficulty of exercise. This study aims to uncover how the different estrogen and progesterone concentrations present throughout the menstrual cycle effect perceived readiness to perform, perceptions of difficulty, and different recovery metrics.

Conditions

  • Inflammatory Response

Interventions

BEHAVIORAL

Eccentric leg extension

Participants will complete a 10 x 10 eccentric leg extension on a Cybex Norm dynamometer. Upon arrival, participants will be asked their perceived readiness to perform on a 11 point numeric rating scale. Before the running protocol a baseline blood sample will be collected, as well as passive and active delayed onset muscle soreness (DOMS), a countermovement jump. Half way through each set (i.e., after the 5th repetition) participants will be asked to rank their level of difficulty on a 11 point OMNI Res scale. This will occur during each set. Participants will have follow up blood draws, measures of muscle function (i.e, jump height) and soreness measured immediately after and 24 and 48 hours post-exercise.

Sponsors & Collaborators

  • University of Southern California

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
35 Years
Sex
FEMALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2025-03-07
Primary Completion
2026-05-30
Completion
2026-08-31

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05934708 on ClinicalTrials.gov