Oleh :  Satya Walpresa, Arif Budiman, Stevanus Hendrawan, Jaka Hartanto

Joint injury usually happen to someone to someone who have a high mobility. Joint injury that has happened has to be treated with a right way in order to avoid any further bad effect like continous dislocation and worsen the function of the joint. Continous dislocation will cause a permanent disability. Many people still have a less knowledge about how important the treatment from the professional like physiotherapist to the injury. Based on that fact,the research of the application joint injury assistant using fuzzy method can serve the result of the diagnose quickly and precisely and also easy to use in mobile phone. The methods used include the development stages, data collection, system planning, data analysis, system design, program construction, program testing, and maintenance. The results obtained in this study is the application of joint injury assistants can be applied on mobile devices and is useful for diagnosing the proper way of healing and the estimating recovery time. Conclusions from this research is the application of joint injury assistants based on Android is easy and practical to use, and these application can provide a diagnosis and estimate how much healing time of the disease precisely and quickly.