Fatigue on Upper Quadrant Human Body: The Psychophysical Experience among Drivers

Upper body discomfort has become one of the issues to drivers nowadays. In this modern era, majority of Malaysian workers drive to work daily. This paper aims to find the most uncomfortable upper body part, as well as the effect of time, body mass index (BMI) and length of arm towards upper body discomfort for drivers. Sixteen volunteers were requested to complete the questionnaire soon after they completed driving the car simulator for three duration of times (30 minutes, 60 minutes and 90 minutes). Time is proven to be the main factor affecting the upper body comfort level, with the upper arm and lower arm being the most affected part during driving, [F(2,237) =14.37, p