youth people(Male only) elderly people(Male only)
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Male youth aged 20~35 years old Navicular Drop Test(ND value) is 9 mm or more Consent to participate in research can be obtained in writing from the person in question. Able to walk independently without using assistive devices Able to understand research content and operations No medical conditions that pose a risk of injury or impairment of health (e.g., nervous system, cardiovascular system, metabolic disorders, etc.) (2) Age 65~75 years old, male elderly Consent to participate in research can be obtained in writing from the person in question. Able to understand research content and operations Able to walk independently without using assistive devices No medical conditions that pose a risk of injury or impairment of health (e.g., nervous system, cardiovascular system, metabolic disorders, etc.)
Exclusion criteria
Exclusion criteria: (1) Have a history of orthopedic surgery on the lower limbs and trunk There is paralysis or paresthesia due to central nervous system disease There is pain in the lower limbs and trunk in a stationary standing position or optimal walking. If pain occurs due to the insertion of the arch pad (2) Have a history of orthopedic surgery on the lower limbs and trunk There is paralysis or paresthesia due to central nervous system disease You have lower limb or trunk pain that prevents you from cross-stepping. If pain occurs due to the insertion of the arch pad When practicing the measurement motion, if you are unable to perform the specified motion adequately
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Common to (1) and (2) Amount of navicular bone reduction during movement Lateral Xcom | — |
Secondary
| Measure | Time frame |
|---|---|
| Common to (1) and (2) Center of Pressure (COP) position of the supporting leg just before contralateral lower limb ground contact Angle of inversion and eversion forefoot relative to tibia Angle of inversion and eversion hindfoot relative to tibia Tibial rotation angle Angular velocity and anterior tibial tilt | — |
Countries
Japan
Contacts
International University of Health and Welfare Graduate School Department of assistive technological science