"Biomechanical discriminatory indicators football penalty performance accuracy"
This research aims to identify the biomechanical discriminatory indicators of the accuracy of the penalty kick performance for football players, and the researcher used the descriptive method based on the biomechanical analysis to suit his nature of the research, and the research sample was chosen intentionally from football players at the Abu Qir Club for Fertilizers and included (6) players who are They represent, and it is the most important search results There are influential and important moments in the penalty kick for football which are (the moment the start of placing the feet on the ground, the moment of the maximum bending of the knee leg of the kicked man, the moment of the beginning of bending of the knee joint of the hitting leg, the moment of the start of contact with the ball, the moment of breaking the connection with the ball) the connection is lost after Kicking), the moment of follow-up after kicking), and the most biomechanical indicators related to the penalty kick in football have been reached, which are outcomes of (times, displacement, speed, wheel, amount of movement, position energy, movement energy, angular change, speed, wheel The angle) for the centers of the joints and the weight of the working connections The joints of the upper and lower ends and the centers of gravity of the body as well as the ball.