We present a tool that was developed in the context of the first author’s masters project. The tool implements an interactive computer game combining the real and the virtual world in a seamless way. The player interacts with the game by throwing balls towards a wall on which a virtual 3D scene is projected. Using the Kinect 3D sensor, we compute and predict the trajectory, speed and position o...

The risk to the mother and fetus will be increased in case of a breech presentation than if is cephalic presentation. Intrauterine fetal repositioning also influenced by physical forces acting on uterus. This study aimed determine effect biomechanics throwing ball body mechanics pregnant women. type research an experimental benefit testing, with no comparison group (pre-test post-test without c...

Baseball and softball pitch types are distinguished by the path and speed of the ball which, in turn, are determined by the angular velocity of the ball and the velocity of the ball center at the instant of release from the pitcher’s hand. While radar guns and video-based motion capture (mocap) resolve ball speed, they provide little information about how the angular velocity of the ball and th...

The purpose of the current study was to identify the biomechanical features of elite female baseball pitching. Kinematics and kinetics of eleven elite female baseball pitchers were reported and compared with eleven elite male pitchers. Results suggested that females share many similarities with males in pitching kinematics, with a few significant differences. Specifically, at the instant of str...

Beyond skill, beliefs in requisite abilities and expectations can affect performance. This experiment examined effects of induced perceptions of ability to perform well under generic situations of challenge. Participants (N = 31) first completed one block of 20 trials on a throwing accuracy task. They then completed questionnaires ostensibly measuring individual differences in the ability to pe...

Background: Disc golf is a sport played much like traditional golf, but rather than using a ball and club, players throw flying discs with various throwing motions. It has been played by an estimated 8 to 12 million people in the United States. Like all sports, injuries sustained while playing disc golf are not uncommon. Although formalized in the 1970s, it has grown at a rapid pace; however, d...

The present paper presents a methodology to identify regularities in motion trajectories and encode them into a reduced order model. The model has been developed for being trained with real data captured during the execution of complex and articulated motions, having several phases each. The presented model possesses relevant features that make it adequate for motion representation, among these...