This work is aimed at studying the ergonomic of tricycle seats used in Nigeria with a view of determining the conformity of the seats with standards and also investigating whether the seats fits the anthropometry of the Kano people. The anthropometric data of users was collected for the three dimensions namely foot to porpietal height, knee to buttock length and seating height. Statistical analysis using SPSS was carried out to obtain the mean dimension. These dimensions were compared with the seat height, seat depth and seat length. It was fond that there was significant difference of 20% between the anthropometric data and the seat dimensions. Seat dimensions were adjusted to fit the standard and the anthropometry of Kano people. This work will help designers of commercial motor tricycles seats take proper considerations of ergonomic principles and the anthropometric data of individuals in Kano city in order to reduce discomfort, improve safety and eliminate fatigue of the drivers and passengers.
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