Hideo Ikarugi

The purpose of this study was to clarify the effects of inactivity caused by the novel coronavirus on athletic performance of participants in the Hyogo Junior Sports Academy (HJSA), a sports talent search program in Hyogo Prefecture. The subjects were 6th graders who were selected by the selection committee and participated in the physical development and training program. Three years (2016, 2017, and 2018) were considered pre-coronal, and two years (2020 and 2022) were considered under coronal influence. In 2016, 13 boys and 14 girls; in 2017, 13 boys and 15 girls; in 2018, 8 boys and 13 girls; in 2020, 10 boys and 11 girls; and in 2022, 13 boys and 11 girls. The measurement item performs two items of height and weight about a build. Motor ability was defined as 20-m run, T- run, 4-way reaction (4RE), 10-second stepping (ST), vertical jump, continuous rebound jump (RJ index), and drop jump (DJ index). The results showed no significant differences in height and weight between the pre- and post-Corona periods for either sex. A significant decrease in motor ability was observed in both men and women in the T-run. In addition, significant reductions were observed in 4RE in boys and in 20 m running in girls, indicating that the novel coronavirus disaster had an effect on motor ability.

Because of the high mortality from myocardial infarction and stroke, there is a great demand for finding novel methods of diagnosis, prevention and treatment of these diseases. Most of the current tests measure important determinants of thrombosis such as platelet function, coagulation and fibrinolysis in isolation; therefore, a global test measuring the actual thrombotic status would be more useful in clinical conditions. We obtained considerable experience by using the global thrombosis test, which determines the actual thrombotic status by taking into account the measured platelet reactivity, coagulation and fibrinolytic activities. In animal experiments, we found significant correlation between the ex vivo global thrombosis test measurements and the in vivo thrombotic status. The published evidence for the benefit of an antithrombotic diet with regular physical exercise is also described.