Evaluation of the physiological change in muscles using quantitative MRI analysis

Evaluation of the physiological change in muscles with T2 map and intravoxel incoherent motion (IVIM): the difference between before and after the exercise - M-T2 map/IVIM

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000056445

Enrollment

Registered

2024-12-15

Start date

2025-02-01

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

Healthy subjects

Interventions

Healthy subjects are asked to do exercises (bending and stretching exercise 15 times x 20 sets) and bed rest, and a thigh MRI is taken before and after them. A washout period of at least one week will

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Men and women aged 20 to 40 with written informed consent

Exclusion criteria

Exclusion criteria: 1. People who have a history of thigh muscle injury, treatment, or surgery, or patients who have been pointed out to have some kind of abnormality in muscles. 2. Cases with some symptoms in the thigh muscles. 3. Cases where sports or exercise is prohibited or cannot be done for some reason. 4. Cases corresponding to MRI contraindication. 5. Cases in which MRI artifacts are likely to appear and signal values are difficult to measure. 6. History of malignant tumor 7. Those who may be pregnant

Design outcomes

Primary

Measure	Time frame
Thigh MRI T2 map and intravoxel incoherent motion (IVIM)	—

Countries

Japan

Contacts

Public ContactKeita Nagawa

Saitama Medical University Radiology department

radmini@saitama-med.ac.jp049-276-1265

Outcome results

None listed

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