Vehicle maintenance workers are exposed to a variety of hazards and risks in the workplace, including physical hazards, excessive heat, heavy workload, awkward movements and also a poor psycho-social environment. These conditions can result in musculoskeletal disorders (MSDs) and injuries. In Malaysia, MSDs is among the highest occupational injury problem, accounting for 87.4%. The objective of this paper is to identify the different type of working posture which can become problematic to the workers due to ache of muscle, which can be a high risk in developing musculoskeletal disorder, due to high repetitiveness task associated with long work durations and weight force. By using electromyography method, several activities while repairing the vehicle have been chosen, based on the workers feedback.