Running involves repeated impacts between the foot and the surface. Such impacts are characterized by a transient peak in the ground reaction force (impact force), rapid deceleration of the lower extremity (impact shock), and the initiation of a wave of acceleration and deceleration (impact shock wave) that is propagated through the body. The loads produced by repeated impacts have been linked to degenerative joint diseases and athletic overuse injuries including for example stress fractures, shin splints, osteoarthritis and lower back pain. Although the exact mechanisms of impact related injury are relatively unknown and controversial evidence linking impact and injuries is well documented. The purpose of this study was to determine the effects of increasing impact shock levels on the spectral characteristics in the body during treadmill running. The main aim is to analyse the ability of the human musculoskeletal system to attenuate the mechanical stresses resulting from the fatigue effect by Shock Responses Spectrum (SRS) of the foot strike-generated shock waves during running. SRS is a frequency-based function that is used to indicate the magnitude of vibration due to a shock or transient event. It`s an analysis method of transitional systems (shocks) developed by the military industry to determine how equipment reacts to repetitive stress. From there on, transposing this method to running gait analysis there is only one step.
© Copyright 2020 Computer Methods in Biomechanics and Biomedical Engineering. Taylor & Francis. Veröffentlicht von Taylor & Francis. Alle Rechte vorbehalten.