engleski

Grf Analysis of Aerobic Steps with Partial Transfer of Body Weight

In the signal of ground reaction force due to the correlation of the morphology of the waveform signals contains information about the specific method of performing motion within the defined techniques. The aim of this study was based on the kinetic parameters of ground reaction force (GRF) to determine the predictive biomechanical parameters that characterize the level of bone and joint loads when performing an optimal technique of the two of basic aerobics steps – step touch and step up knee at different altitudes step bench (6, 8, 10 inches). This study involved long-time aerobics instructors, who are performing the movement at each altitude of step bench, three sets of eight repetitions, and the signal ground reaction force components are measured in reflection on and step down from the bench. Based on the values of ground reaction forces were calculated basic statistical parameters of the components Fx, Fy and Fz, and the determination of significance was done with Wilcoxon test for equivalent pairs. Expected statistically significant differences were observed in the anteriorposterior and vertical ground reaction force components at different heights step bench because of amplitude of movement and increasing the intensity on the higher step bench.

aerobik ; tjelesna težina

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