Sport science applies the study of science to sporting activities. The focus of sport science is to help maximise performance and endurance in preparation for events and competitions while lessening the risk of injurySports Scientists ensure that athletes are up to date with current training protocols, testing, and preparation. Commerce is the conduct of trade among economic agents. Generally, commerce refers to the exchange of goods, services, or something of value, between businesses or entities. From a broad perspective, nations are concerned with managing commerce in a way that enhances the well-being of citizens, by providing jobs and producing beneficial goods and services.