Exercise Behaviour Analysis of Universitas Negeri Semarang Sports Sciences Students

This is descriptive study, was purposed to analyze the level of self-efficacy; factors that affect the processes of change, and the level of decisional balance related to physical activity. Population in this study is consisted of all academic year, the sample size (n=256) was identified according to Kreicie and Morgan, male 73.8% female 26.2%, age 17-23 y.o (19.89±1.316). A set of questionnaires (divided into questions related to demographic profile and question of self-efficacy, processes of change, and decisional balance) was used. Data was analyzed by using The SPSS Version 21. Mostly respondents feel not confident to participate in regular exercise when they are in bad mood, tired, do not have time, bad weather, and on vacation. Self-liberation is the strongest experiential affecting factors to the processes of change related to physical activity, it followed by counter conditioning, reinforcement management, helping relationships, and stimulus control. In other hands dramatic relief is the most important behavioural factor, followed by social liberation, consciousness raising, environmental reevaluation, and self-reevaluation. 81% respondents have good commitment to do physical activity, 19% respondents do not have the commitment. Majority of participants have high commitment to engage physical activity, but their willingness is affected mostly by mood, while their behaviour change affected by self-liberation and