Exercise is a systematic activity that is done repeatedly. The goal is to get the automatic movement. Exercise is a work process that is carried out systematically, continuously where loads and increasingly exercise intensity increases, which in turn provide a thorough stimulation of the body aims to improve the physical and mental together ". Athletics Association of Indonesia (PASI) of Aceh Province should provide some form of exercise so that the development objectives in the high jump this sport to gain leap as high as it passes through the bar at a certain height will be achieved well. The development of this form of exercise should be the solution in improving the appearance for an athlete to achievement. The research objective to be achieved from the implementation of this research is to develop a form of exercise flexibility for high jumper Aceh province. This type of research pertained to the types of research and development by observation, interviews, expert validation and testing. While the design of the study was observational, potential problems, design theory, product design, validation experts, the revision of the design, testing, and product revision of the it. Subjects in this study is the high jumper Aceh province amounted to 5 persons and expert validation of flexibility which amounts 3 persons to a form of exercise. Measuring tool development process through observation, interviews, expert validation and test data collected were analyzed using quantitative later. Based on the results of studies that have been obtained on the basis of analysis and discussion, it can be concluded that the development of this form of exercise flexibility for high jumper province of Aceh is a measuring instrument that is valid and has had a high level of validity with index score of 0.971 and had high level of reliability with the acquisition of a reliability score index of 0.799, so that the 30 forms of flexibility exercises developed to the high jump athlete in Aceh Province can be used to practice the flexibility of other high jump athlete of exercise flexibility for high jumper Aceh Province in the process of daily exercise.