Healthy adult males, healthy adult females
Conditions
Interventions
Twenty-five female and twenty-five male subjects will be enrolled. The intervention period for each subject will be one day, with a duration of one hour. Subjects will maintain the following posture
Sponsors
Gunma University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Healthy adults aged 18 years or older but under 40 years old, affiliated with Gunma University School of Medicine or Gunma University Graduate School of Health Sciences. 2) Individuals capable of maintaining a single-leg stance for 30 seconds or longer. 3) Individuals who consent to participate in the study. Consent is deemed given upon signing the consent form after receiving an explanation using the informed consent document. 4) Posters describing the research outline will be displayed. Individuals who see these posters and voluntarily express their willingness to participate in the study. Posters will be displayed at the following locations: - Motion Analysis Laboratory, 6th Floor, Shared Facilities Building, Gunma University School of Medicine - ADL Training Room, 1st Floor, West Building, Department of Health Sciences, Gunma University School of Medicine - Prosthetics and Orthotics Room, 1st Floor, West Building, Department of Health Sciences, Gunma University School of Medicine - Physical Therapy Training Room, 2nd Floor, West Building, Department of Health Sciences, Gunma University School of Medicine - Classroom 6, 2nd Floor, West Building, Department of Health Sciences, Gunma University School of Medicine - Classroom 2, 1st Floor, Central Building, Gunma University School of Medicine Recruitment will continue until the end of October 2025. Recruitment will close earlier if the target number of cases is reached before that date.
Exclusion criteria
Exclusion criteria: 1) Individuals with fractures, sprains, or muscle/ligament injuries. 2) Individuals who do not consent to camera filming for three-dimensional motion analysis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Knee joint external rotation angle in bipedal and one-leg standing posture. | — |
Secondary
| Measure | Time frame |
|---|---|
| Interarticular distances (Intervertebral distance, Hip joint distance, Knee joint distance, Ankle joint distance) Lower limb joint lengths (Thigh length, Lower leg length, Trochanteric length) Lower limb joint angles (Hip joint, Knee joint, Ankle joint) Lower leg inclination angle Pelvic inclination angle Trunk inclination angle Center of gravity sway (total trajectory length, rectangle area, maximum sway amplitude front-back/left-right) Gluteus medius muscle strength | — |
Countries
Japan
Contacts
Public ContactTakehiko Yamaji
Gunma University Graduate School of Health Sciences, Department of Rehabilitation Science
Outcome results
None listed