This case study aims to explore the teacher and student behavior resulted from adapted physical education applied by elementary school physical education teacher and special education teacher in a hearing impaired class. The instruction data was collected from badminton class and volleyball class; two class periods for each. All of the four class periods were videotaped. The teacher and student behavior was analyzed by PETAI (Physical Education Teacher Assessment Instrument). Moreover, to further examine variables affected the teacher and student behavior, interviews with the teachers and students were conducted.