INTRODUCTION
Rationale of the Study There are different types of public transportation in the Philippines and one of them is the tricycles. Tricycles have been one of Asia’s major forms of transportation. They were said to have been appearing on the roads after World War II. They are decorated like jeepneys and are attached with gadgets to catch the attention of the customers who might potentially ride them. Today there are thousands of tricycles throughout the country. The picture below shows a typical tricycle in Mandaue City.
Fig. 1.1: A typical tricycle of Mandaue City
It has been observed that the sidecars of the tricycles here in Mandaue City differ in seat dimensions for the passengers. The sidecars are said to fit four passengers regardless of the passengers’ build and size. Improper posture while sitting inside the sidecar can cause be a risk factor for the back. Stressful postures can also place stress on muscles, ligaments, and joint structures. This posture is commonly observed when sitting inside the sidecar of the tricycle especially when it is full. The passenger is placed in an awkward position, like the shoulder is pressed with another passenger’s shoulder. The knees also are placed in an awkward position which can influence the degree of joint and tissue stress. Also, if the passenger is kept in that awkward sitting position for a long time, it can cause tissue fatigue and micro-trauma due to the continual muscle firing and strain on the tendons and ligaments (http://acquiredhope.articlealley.com/ergonomic-risk-factor-protectiong-the-lower-back-1039221.html). Different aspects in the proper seating dimension of the tricycles sidecar should be considered, which this study aims to focus on. This study is aimed at specifically comparing measurements of sidecars of tricycles in Hernan Cortes, Mandaue City, with the anthropometric data taken from the male and female Filipinos of Metro Cebu.
Literature Review There has always been