Abstract
The purpose of study was to reveal the interaction during ball impact phase of soccer kicking in female soccer player. Fifteen female and male soccer player performed maximal instep kicks. The behavior of kicking foot and ball during ball impact was captured two or three dimensionally by the high-speed cameras at 1,000fps. Foot velocity, ball velocity, and coefficients of restitution (COR) were calculated to evaluate the fundamental characteristics of kicks. The average ball velocity for female players was 22.8±2.7 m/s. The average ball velocity for male players was 27.4±2.2 m/s. The average foot velocity for female players was 17.6±1.2 m/s. The average foot velocity for male players was 19.8±1.4 m/s. The average ball and foot velocities were lower for female players than for male players, and the differences were statistically significant (p < .05). Thus, The impact point was calculated as the distance from the center of mass of the foot to the contact point. Impact on the surrounding area of the center of mass the foot produced the greatest coefficient restitution. The correlation coefficient of the distance from the center of mass of the foot to the contact point and COR for female players was -0.50, for male players was -0.68.
