Kohei Nakajima

Survey on Dental Trauma, Head and Neck Injuries, and Mouthguard Use in Wrestlers at the 77th National Sports Festival: First Report

BACKGROUND/AIM: Wrestling is a high-intensity contact sport in which head, neck, and oral injuries occur frequently. However, comprehensive investigations specifically focusing on dental trauma among wrestlers remain limited. The aim of this study was to assess the prevalence of...

Menstrual-related conditions are associated with optimal menstrual cycle timing for sports performance in female athletes

Although the effects of menstrual cycle phases on objective exercise performance are generally trivial, athletes frequently report substantial subjective impairment. We examined 14-year temporal trends in menstrual-related conditions in elite Japanese athletes and tested whether...