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Impact phase kinematics of instep kicking in soccer.

Nunome, H, Lake, M, Georgakis, A and Stergioulas, LK (2006) Impact phase kinematics of instep kicking in soccer. J Sports Sci, 24 (1). pp. 11-22.

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Abstract

The purpose of this study was to capture the lower limb kinematics before during and after ball impact of soccer kicking by examining the influence of both sampling rate and smoothing procedures. Nine male soccer players performed maximal instep kicks and the three-dimensional leg movements were captured at 1000 Hz. Angular and linear velocities and accelerations were determined using four different processing approaches: processed using a modified version of a time-frequency filtering algorithm (WGN), smoothed by a second-order low-pass Butterworth filter at 200 Hz cut-off (BWF), re-sampled at 250 Hz without smoothing (RSR) and re-sampled at 250 Hz but filtered by the same Butterworth filter at 10 Hz cut-off (RSF). The WGN approach appeared to establish representative kinematics, whereas the other procedures failed to remove noisy oscillation from the baseline of signal (BWF), lost the peaks of rapid changes (RSR) or produced totally distorted movement patterns (RSF). The results indicate that the procedures used by some previous studies may have been insufficient to adequately capture the lower limb motion near ball impact. We propose a new time-frequency filtering technique as a better way to smooth data whose frequency content varies dramatically.

Item Type: Article
Authors :
NameEmailORCID
Nunome, HUNSPECIFIEDUNSPECIFIED
Lake, MUNSPECIFIEDUNSPECIFIED
Georgakis, AUNSPECIFIEDUNSPECIFIED
Stergioulas, LKl.stergioulas@surrey.ac.ukUNSPECIFIED
Date : January 2006
Identification Number : https://doi.org/10.1080/02640410400021450
Uncontrolled Keywords : Adult, Biomechanical Phenomena, Great Britain, Humans, Lower Extremity, Male, Range of Motion, Articular, Soccer, Sports Equipment, Task Performance and Analysis
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 16 May 2017 15:30
Last Modified : 17 May 2017 14:36
URI: http://epubs.surrey.ac.uk/id/eprint/820124

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