Performance During Menstrual Cycle

Completed

• Conditions: Performance
• Interventions: Other: estrogen level

• Registration Number: NCT03832972
• Lead Sponsor: University of Aarhus

Brief Summary

This project aims to investigate if muscle strength and muscle power fluctuate during the menstrual cycle.

The hypothesis is that the greatest performance will be measured right before ovulation, and at it's lowest on day 1 and 2 of the menstrual cycle in women not using any form for hormonal protection.

And that the performance in women using birth control pills, not will variated in the period where they are taking pills (day 1-21).

Detailed Description

Not available

Basic Information
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Recruitment & Eligibility
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Study & Design
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Trial Locations

Study Timeline

• Study Start: 2018-10-01
• Study First Submitted: 2018-10-22
• Study First Submitted QC: 2019-02-05
• Study First Posted: 2019-02-06
• Primary Completion: 2019-12-20
• Study Completion: 2022-04-01
• Status Verified: 2022-05
• Last Update Submitted: 2022-05-17
• Last Update Posted: 2022-05-18

Recruitment & Eligibility

• Status: COMPLETED
• Sex: Female
• Target Recruitment: 40

Inclusion Criteria

• Women
• 18-35 years of age
• BMI 18.5-25.

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Exclusion Criteria

• Smoking
• hormonal or metabolic disorders
• chronic sickness
• use of medication
• breast feeding, vegetarians
• diet containing a lot of soja based products
• injuries which make it impossible to do the tests

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Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Arm && Interventions

Group	Intervention	Description
Women not using birthcontrol	estrogen level	-
Women using birth control	estrogen level	-

Primary Outcome Measures

Name	Time	Method
Change in jumping height	8 times per month, 2 to 5 days between measurements	measuring of change in muscle power
Change in grip strength	8 times per month, 2 to 5 days between measurements	measuring of changes in muscle strength

Secondary Outcome Measures

Name	Time	Method
Change in hormone levels	8 time per month, 2 to 5 days between measurements	measuring of changes in hormone levels during cycle
Change in motivation by questionnaire	8 times per month, 2 to 5 days between measurements	measuring of changes in motivation for performing

Trial Locations

Locations (1)

Section of Sport Science; 🇩🇰 Aarhus, Denmark