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Evaluation of the muscular hypertrophy effects of long-term using electrical muscle stimulation (EMS) devices

Evaluation of the muscular hypertrophy effects of long-term using electrical muscle stimulation (EMS) devices: A randomized open-label parallel-group trial - Evaluation of the muscular hypertrophy effects of long-term using electrical muscle stimulation (EMS) devices

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000038984
Enrollment
90
Registered
2019-12-25
Start date
2019-12-26
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

Duration: eight weeks Test device: AbsFit1 Administration: Before using, put a jelly-seat on the electrode part of the device. Put the device with the jelly-seat on the abdomen (between under rib an

Sponsors

ORTHOMEDICO Inc.
Lead Sponsor
Medical Corporation Seishinkai, Takara Clinic
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. General healthy subjects 2. Subjects who age between 20 or more and less than 70 when they provide written informed consent 3. Subjects who are judged as eligible to participate in the study by the physician 4. Subjects who do not show discomfort and aversion with electrical stimulation by the test devices 5. Subjects between 18.5 and 25 in body mass index (BMI) 6. Within the subjects who met the first to fifth inclusion criteria, six or more male and six or more female are selected from each generation

Exclusion criteria

Exclusion criteria: 1. Subjects who are undergoing medical treatment or have a medical history of malignant tumor, heart failure, or myocardial infarction 2. Subjects who have a cardiac disorder or potential one 3. Subjects who have a pacemaker or an implantable cardioverter defibrillator (ICD) 4. Subjects who have a metal such as a joint prosthesis, clips, and so on. 5. Currently undergoing treatment for any of the following chronic disease: cardiac arrhythmia, liver disorder, kidney disorder, cerebrovascular disorder, rheumatism, diabetes mellitus, dyslipidemia, hypertension, or any other chronic diseases 6. Subjects who have a wound on the skin of the target part 7. Subjects who have been diagnosed with epilepsy 8. Subjects who use or take "Foods for Specified Health Uses", "Foods with Functional Claims", or other functional food/beverage in daily 9. Subjects who are currently taking food and supplements affecting muscular hypertrophy such as protein, amino acids, and 3-Hydroxy 3-MethylButyrate (HMB) 10. Subjects who have exercise habits or muscular workouts more than two times per week 11. Subjects who are required to be placed at rest 12. Subjects who have an acute painful disease such as spine fractures, sprains, and flesh breaks 13. Currently taking medicines (include herbal medicines) and supplements 14. Subjects who have metal allergy 15. Subjects who cannot understand the method of application of test device 16. Subjects who are pregnant, breast-feeding, and planning to become pregnant 17. Subjects who have been enrolled in other clinical trials within the last three months before the agreement to participate in this trial or plan to participate another trial during this trial 18. Subjects who are judged as ineligible to participate in the study by the physician

Design outcomes

Primary

MeasureTime frame
The measured value and changes of the following items at four, eight and 12 weeks after the start of using the devices: the muscle cross section of umbilical region and muscle thickness of each part of rectus abdominis muscle, biceps brachii muscle, triceps brachii muscle and quadriceps femoris

Secondary

MeasureTime frame
The measured value and changes of the following items at four, eight and 12 weeks after the start of using the devices: body weight, BMI, body fat percentage, body temperature, fat mass, lean body mass, muscle mass* *Whole body, trunk, left arm, right arm, left leg and right leg

Countries

Japan

Contacts

Public ContactNaoko SUZUKI

ORTHOMEDICO Inc. R&D Department

nao@orthomedico.jp03-3818-0610

Outcome results

None listed

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