Runner's stride analysis: comparison of kinematic and kinetic analyses under field conditions

Introduction - The purpose of this study was to identify the specific events in the gait cycle of a runner on the cranial-caudal, anterior-posterior and median-lateral acceleration curves obtained with an accelerometer system (Locometrix). Synthesis of facts - The strides of seven middle distance runners were analysed by using the 3D lumbar acceleration recordings synchronised with a video recording, Specific events, such as initial contact, mid stance and toe-off, were readily identified on the acceleration curves. The median-lateral acceleration curve enabled the right and left steps to be identified. Conclusion - Practical biomechanics information on an athlete's running style could be provided to the trainer by this new apparatus. (C) 2002 Editions scientifiques et medicales Elsevier SAS.