A Study on Daily Fluctuations in Physical Condition in Young Adult Women

A Study on Daily Fluctuations in Physical Condition in Young Adult Women - A Study on Daily Fluctuations in Physical Condition in Young Adult Women

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000058630

Enrollment

Registered

2025-07-29

Start date

2025-07-29

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

young healthy women

Interventions

None listed

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1.Individuals aged 18 years or older and under 40 years, with no health problems. 2.Individuals who have received a full explanation of the study, sufficiently understood the contents, and voluntarily provided informed consent to participate.

Exclusion criteria

Exclusion criteria: 1.Individuals with any current medical conditions under treatment. 2.Individuals who regularly take medications or supplements that may affect sleep or muscle strength. 3.Individuals receiving treatment for severe menstrual irregularities or secondary amenorrhea. 4.Any other individuals deemed inappropriate as study participants by the principal investigator.

Design outcomes

Primary

Measure	Time frame
Subjective Fatigue Symptoms Scale for Youth (SFS-Y)	—

Secondary

Measure	Time frame
sleep quality and sleep duration physical activity level muscle strength heart rate blood pressure basal body temperature menstrual cycle menstruation-related symptoms	—

Countries

Japan

Contacts

Public ContactAtsushi Sawada

Health Sciences University of Hokkaido Department of Physical Therapy, School of Rehabilitation Sciences

as-51@hoku-iryo-u.ac.jp0133-23-1310

Outcome results