This study was designed to investigate the relationships between the tendencies toward Type A behavior pattern (TABP) and sports injuries. A total of 2164 (1631 males and 533 females) athletes from several colleges in Japan, volunteered for this study. They were divided into two groups ; an injury group and a non-injury group. KG's Daily Life Questionnaire was used to investigate the tendency of TABP. Our hypothesis was that Type A individuals showed higher occurrences of sports injury than Type B individuals. Most of the results in this study supported our hypothesis. To put it concretely, the injury group showed higher TABP tendency than the non-injury group. And the higher TABP score group showed higher occurrence of injury experiences than those of low score group. Therefore, there was a possibility that TABP tendency of athletes might be one of the informations to prevent sports injuries.

The purpose of this study was to clarify the relationship between the low back pain of college students and psychological factors by using a questionnaire for low back pains and five psychological tests. The tests consisted of the Hopkins Symptom Checklist (HSCL), State-Trait Anxiety Inventory (STAI), Purpose in Life (PIL) test, Hassles Scale for students and Type A test. The subjects were 337 college students (126 male, 211 female) ranging in age from 19 to 22 (mean ± SD: 20.2 ± 1.3) years. Seventy-four subjects whose lower back pain was thought to be caused by organic factors were excluded. The 263 subjects (102 males, 161 females, mean ± SD: 20.1 ± 1.1 years) were divided into three groups (NP: subjects with no pain, PND: subjects with pain but no difficulties in daily life, PD: subjects with pain and difficulties in daily life) by degrees of low back pain. The PD subjects showed a more negative attitude than those in the PND and/or NP groups for four tests, i.e., Hassles Scale and the psychosomatic component of the HSCL and State-Trait Anxiety Inventory tests. It was suggested that low back pain was related to psychological factors such as stress and anxiety.