Perception of pain/discomfort is a qualitative measure and is entirely subjective. Psycho-physical tests involving questionnaire studies are well-known methodologies for screening musculoskeletal disorders.Outcome of the study (Fig. 2) shows workers in GH perceived pain in the upper extremities of the body (shoulder, upper back,elbow and wrist/hand) was significantly (p < 0.05) high as compared to PH workers.