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Kinetic study of seita-fitting.

Masanori Kawahara¹, Tomoaki Fuji, Noritsune Yokoyama

¹Institute of Human Living Sciences, Otsuma Women's University, 12 Sanban-cho, Chiyoda-ku, Tokyo, 102-8357 Japan. masanori@otsuma.ac.jp

Journal of Human Ergology

|August 12, 2003

Summary

Carrying loads on the sacrum using a seita frame (sacrum load) enhances gait patterns compared to lumbar loading. This traditional carrier method promotes efficient load transport and maintains a normal walking gait.

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Area of Science:

Biomechanics
Human Factors Engineering
Ergonomics

Background:

Previous studies established the seita carrier's efficacy for sacrum load support.
Research indicated sacrum loading is metabolically efficient and reduces muscle strain.

Purpose of the Study:

To investigate the impact of sacrum load carriage on gait patterns.
To compare kinetic gait parameters between sacrum loading and lumbar loading.

Main Methods:

Comparative analysis of kinetic gait parameters.
Utilized the seita carrier for sacrum load (LOS) and lumbar load (LOLV) conditions.

Main Results:

Maximum propulsive force was significantly greater in sacrum load (LOS) conditions.

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Medial impulse was also significantly higher during sacrum loading (LOS).

Conclusions:

Carrying loads on the sacrum with a seita maintains a more normal gait pattern.
Seita-fitting is an efficient method for load carriage and transportation.