Porter Classic Co., Ltd. developed Newton bag, consisting egg shaped convoluted shoulder strap designed to decentralize pressure on shoulders. Unlike regular shape shoulder strap, the convoluted tip of Newton bag strap allows dispersion of pressure of luggage weight. However, the underlying mechanism remains to be clarified. We aim to determine the mechanism of how backpack burden is relieved by the convoluted shoulder strap.
Conditions
Interventions
Evaluation of posture in walking by using motion capture
Evaluation by electromyogram Measure in energy consumption volume Survey by questionnaire
Sponsors
Juntendo University Medical Technology Innovation Center
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1 Healthy adults aged 20-40 years 2 Those who have received sufficient explanation for participation in this study and have provided written consent
Exclusion criteria
Exclusion criteria: 1 Those who have a running disorder and/or internal medicine disease 2 Those who did not provide written consent 3 Those who were considered inappropriate for study participation by the research director
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Evaluation of posture in walking using motion capture | — |
Secondary
| Measure | Time frame |
|---|---|
| Evaluation by electromyogram Measure of energy consumption volume Measure of energy consumption volume | — |
Countries
Japan
Contacts
Public ContactYuji Nishizaki
Juntendo University Medical Technology Innovation Center
Outcome results
None listed