Conducted by BatStateU
, Started on 2013 -
Completed on 2014
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Ergonomics (also called human factors engineering) is the study of human characteristics
for the appropriate design of the living and work environment. It is applied in various industrial areas
which includes transportation.Tricycle being one of the most common means of public transportation in
Lipa City has various adaptations to suit the culture, and environment. The purpose of this study is to
analyze the variability in design of the tricycles in Lipa City, Philippines and propose a standard
ergonomically designed tricycle sidecar seat for a greater population.
The study was conducted at 26 tricycle terminals with 232 tricycle samples within Lipa City proper
including the public market area where 400 commuters were given questionnaires to determine the risk
factors associated with the existing tricycle sidecar seat design. Anthropometric measurements of 100
males and 100 female commuters were obtained together with the sidecar dimensions of 232 tricycles to
substantiate the observed variations in design.
Using the design for the average and design for the extremes, it was found out that most of the
tricycles in Lipa City, Philippines have inappropriate inclined seat and lowered sidecar seat pan height
which can result to leg and abdominal pain; narrowed seat pan depth which caused pressure on
buttocks and legs; narrowed backrest width which can cause upper and low back pain; low backrest
height that can pose upper back pain; which can also result to abdominal pain; inclined backrest and
limited vertical clearance which can cause upper back pain and neck pain. The researcher proposed a
sidecar seat design standard which can be used by the Land Transportation Office, and Land
Transportation Franchising and Regulatory Board to provide ease, comfort, and convenience to the
passenger