Softball is a popular sport in the United States and continues to grow internationally. It is a team sport that enables females and males of all age groups to participate. Softball is an enjoyable and exciting sport and provides significant health benefits, such as enhancing fitness as well as upper- and lower-body strength. Additionally,…

This study evaluated a device that prevents drivers from shifting vehicles into gear for up to 8 s unless seat belts are buckled. Participants were 101 commercial drivers who operated vans, pickups, or other light trucks from the U.S. and Canada. The driver could escape or avoid the delay by fastening his or her seat belt before shifting out of…

In this study, the authors investigated a social marketing intervention to increase the use of bicycle helmets on a university campus in the southeastern United States. Focus groups of students developed a bicycle helmet program slogan and logo (ie, "The Grateful Head"). The authors trained student bicyclists who already used helmets (n…