Improving The Fitness of Firefighters at PT. KPI Pertamina RU VI Balongan through The FWB (Fit with Basarnas) Program Intervention

Introduction. Firefighters have a high-risk job that requires physical fitness. The current condition of most firefighters at PT KPI Pertamina RU VI Balongan is still not fit and requires fitness improvement. The aim of this study is to determine the difference in the fitness levels of firefighters before and after the intervention of the FWB (Fit with Basarnas) fitness program at PT. KPI Pertamina RU VI. Methods. This study uses a comparative analytic method. Research was conducted by comparing the results of pre-tests and post-tests taken before and after the FWB program intervention. The study population consisted of all 28 firefighters at PT. KPI Pertamina RU VI Balongan, selected through purposive sampling technique. Data processing and analysis were performed using the dependent t-test. Results. The study results showed that 68% of respondents experienced an improvement in fitness levels. Further statistical testing showed a p-value of 0.001, so it can be concluded at α = 0.05 that there is a difference in fitness levels before and after the intervention. Discussion. The FWB (Fit with Basarnas) fitness program should be continued and combined with other cross-training to achieve optimal fitness levels. Conclusion. This study indicates that the 3-month FWB fitness program can improve the fitness of firefighters at PT. KPI Pertamina RU VI Balongan.