A review is presented of the importance of the moment of inertia (MOI) to the performance of a sporting instrument. It is shown that for a given coefficient of restitution (COR), both the intrinsic power and the swing speed of a tennis racquet or baseball bat correlate strongly with the MOI about an axis through the handle and only weakly with the mass. It is further shown that for non-wood bas...

Despite general agreement that prediction is a central aspect of perception, there is relatively little evidence concerning the basis on which visual predictions are made. Although both saccadic and pursuit eye-movements reveal knowledge of the future position of a moving visual target, in many of these studies targets move along simple trajectories through a fronto-parallel plane. Here, using ...

How might one account for the organization in behavior without attributing it to an internal control structure? The present article develops a theoretical framework called behavioral dynamics that integrates an information-based approach to perception with a dynamical systems approach to action. For a given task, the agent and its environment are treated as a pair of dynamical systems that are ...

The authors examined 13 skilled, 13 recreational, and 11 novice players’ awareness of the advance visual information that they used to judge tennis serve direction. Participants viewed video clips of serve actions under 5 conditions of spatial occlusion. The authors assessed participants’ awareness by comparing the different groups’ confidence associated with correct and incorrect judgments and...

Sports undertakings cannot develop without sports transmission influence, the transmission pervasiveness directly has the direct bearing on sports undertakings can be extensive spread among the whole nation or not. Research on sports network transmission innovation way is beneficial to impel sports undertakings development through utilizing advanced high technological means under new developmen...

in the last decades an increasing number of clubs, associations, and partnerships behind professional team sports have become business enterprises as well; as regards their income and number of employees, there are numerous companies managing sports clubs in the medium sized enterprise sector. by nature of being businesses that manage sports, successful performance is usually the number one str...

One of the most interesting aspects of sports fans is their degree of involvement and affiliation with their favorite sports team. Indeed, perusal of the popular press suggests that sports fans reveal their connection to a favorite team in interesting ways, including wearing team apparel, displaying bumper stickers on their cars, and engaging in celebratory behaviors that range from fairly pass...

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Abstract: In the background of Chinese sports rapidly development, it still has lots of problems and many factors that restrict Chinese sports development. Among them, rural sports are one of the main factors. The paper starts from Chinese rural sports public service funding input prediction and current status analysis two aspects, and goes ahead with comprehensive researches through trend extr...

Sports medicine is a relatively new subspecialty in Singapore. This commentary chronicles its evolution in Singapore from 1969, through various milestones, to the present day. The first sports medicine clinic in Singapore was established in 1971 at Farrer Park. Notable institutions that followed include the Sports Medicine and Research Centre (1973), Soldier Performance Centre, Changi Sports Me...