Following the evaluation of initial mini-mental state
examination, the study had been clearly explained to the
participants. A self-administered questionnaire was given to
the participants to quantify the overall perceived
discomfort/pain score at different body locations such as neck,
shoulder, back, elbow, wrist/hand, thigh, knee, leg and
ankle/feet (Fig. 1). It was taken care that survey was
conducted on participants who experiencing MSD that are
caused due to their on-duty jobs itself. Pain-scale criteria and
their corresponding grades are depicted in Table II.