A Study to Determine the Effects of Repeated Hot and Cold Baths on Muscle Relaxation.

A study on the effects of hot and cold alternating stimulation on post-exercise muscle fatigue recovery and relaxation of resting muscle tone. - Study on the effect of alternating bathing on muscle fatigue recovery.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000040087

Enrollment

Registered

2020-05-01

Start date

2020-08-31

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

Muscle fatigue and muscle tone

Interventions

warm and cold stimulation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Volunteers who gave informed consent and obtained consent before conducting the study. The target age is 15 years or older.

Exclusion criteria

Exclusion criteria: Volunteers who gave informed consent before conducting the study and were rejected. In addition, patients are excluded if they have a pacemaker that is not compatible with MRI, if they have metal in their body such as a pacemaker or a cerebral artery clip, or if they are claustrophobic or otherwise unable to undergo normal MRI.

Design outcomes

Primary

Measure	Time frame
Muscle stiffness, fatigue, and stiffness data that can be obtained with the muscle hardness tester/lower limb extension elevation test. Motor function/lifestyle data/fatigue/stiffness questionnaire.	—

Countries

Japan

Contacts

Public ContactDaisuke Nakashima

Keio University School of medicine

nakashima@keio.jp03-5363-3812

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026