After the research protocol was approved by the research ethics committee of Office of The Committee for Research Ethics (Social Sciences), Mahidol University, the author collected data between September 2557 B.E. to February 2558 B.E. at the residential area of research participants. The author explained and received consent from participants, and then read each question and fill in the participant’s answers. Some explanations might be added and if necessary and for clearly, participants might be asked to show their locomotor skills according to the question.