The purpose of this study is to investigate of physical education teachers related to the study of lesson planning prepared by secondary school Physical Education teachers in the Makassar, South Sulawesi. Physical education teachers have low skills and are facing problems in making lesson planning in the implementation of the curriculum in schools. The study design was undertaken using a qualitative approach, which aims to describe in depth the implementation of physical education curriculum in junior high school. a case study approach used this study to investigate the four teachers who take the subject of physical education in five different schools. The results revealed that some teachers do not have a lesson plan for teaching sessions. This is due to the fact that only a few teachers create lesson plans for students. In addition, many teachers can take advantage of Mutual Adaptation approach in order to improve the performance of designing their teaching. These findings suggest that approaches Mutual Adaptation suitable as a standard tool to take advantage of the implementation of the subject of Physical Education curriculum.