Modelling equation of knee force during instep kicking using dominant’s leg in football

Abstract

This paper presents the biomechanics analysis of the football players, to obtain the equation that relates with the variables and to get the force model equation when the kicking was made. The subjects delivered instep kicking by using the dominant’s leg where one subjects using right and left leg. 2 Dimensional analysis was conducted by using Silicon Pro Coach software. Based on the findings, the velocity and distance was identified as significant to the kick force model. The highest average force of kicking for dominant’s right leg is 5879.60N, the highest average velocity is 8.2m/s with distance kick as much as 47.85m and the multi linear model equation is ŷ = - 18.1+ 711x₁ + 0.146 x₂ + 396x₃. The highest average force for dominant’s left leg is 8486.0N, the highest average velocity is 11.71m/s with distance kick as much as 50.8m and the multi linear model equation is ŷ = - 0.073 + 724x₁ + 0.00114 x₂ + 0.40 x₃.

Keywords: kicking; biomechanics; distance; force; velocity; angle