RecruitingNot ApplicableNCT07823335

Acute Endocrine Responses to Aerobic and Anaerobic Exercise in Sedentary Women: A Comparative Analysis of Thyroid Hormones and Cortisol

Sponsor

Assoc. Prof. Dr. Özgür EKEN

Enrollment

30 participants

Start Date

Sep 15, 2026

Study Type

INTERVENTIONAL

Conditions

Acute Exercise Sedentary Behavior Endocrine Response

Summary

This study aims to compare acute thyroid hormone and cortisol responses to aerobic and anaerobic exercise in sedentary women. Thirty sedentary women aged 18-25 years will voluntarily participate in the study. Participants will complete a 20-meter shuttle run test as the aerobic exercise protocol and a 30-second Wingate test as the anaerobic exercise protocol in separate testing sessions. Blood samples will be collected immediately before and after each exercise protocol. Serum thyroid-stimulating hormone (TSH), triiodothyronine (T3), thyroxine (T4), and cortisol concentrations will be determined using chemiluminescence-based laboratory methods. Changes in hormone concentrations will be compared between the aerobic and anaerobic exercise conditions.

Eligibility

Sex: FEMALEMin Age: 18 YearsMax Age: 24 Years

Plain Language Summary

Simplified for easier understanding

This clinical trial is studying a behavioral approach called 20-Meter Shuttle Run Test and a behavioral approach called Wingate Anaerobic Test for people with acute exercise, endocrine response, and other related conditions. The study is currently recruiting participants at 1 location. People eligible for this study include women aged 18 Years to 24 Years.

This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.

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Interventions

BEHAVIORAL20-Meter Shuttle Run Test

Participants will perform a progressive 20-meter shuttle run test by running continuously between two lines positioned 20 meters apart in time with prerecorded audio signals. The initial running speed will progressively increase as the interval between audio signals decreases. The test will end when the participant fails to reach the designated line before the signal on two consecutive occasions.

BEHAVIORALWingate Anaerobic Test

Participants will perform a 30-second Wingate anaerobic test on a Monark cycle ergometer connected to computerized analysis software. Following an unloaded acceleration phase of approximately 3-4 seconds, a resistance corresponding to 65 g/kg of body mass will be applied. Participants will be instructed to pedal against this resistance at maximal effort for 30 seconds. Peak power, mean power, minimum power, and fatigue index will be recorded.

Locations(1)

Karabuk University, Hasan Dogan Faculty of Sport Sciences

Karabük, Karabük Province, Turkey (Türkiye)

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NCT07823335

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