Authors’ and collaborators have continued research concerning stretching, the flexibility of thoracic spine. In this study, author himself continued our stretching protocol for 4 months. The changes were i) the spreading degree of open legs, ii) bridge posture bending the whole body backward, iii) finger floor distance (FFD) with 3 to 18cm. The purpose was self-verification by habituation training, and clinical efficacy was found. For other effects, he has not been injured for the period as soccer player at all, and has felt comfortable operation subjectively. This process will be beneficial for managing various patients and athletes from now.