TOWARDS A SMART SPRINGBOARD (CASE STUDY)

Ivan Čuk; Samo Penič; Matej Supej; Dejan Križaj

doi:10.52165/sgj.3.3.29-42

Authors

Ivan Čuk Faculty of Sport, University of Ljubljana, Slovenia
Samo Penič Faculty of Electrical Engineering, University of Ljubljana, Slovenia
Matej Supej Faculty of Sport, University of Ljubljana, Slovenia
Dejan Križaj Faculty of Electrical Engineering, University of Ljubljana, Slovenia

DOI:

https://doi.org/10.52165/sgj.3.3.29-42

Keywords:

measurement technology, accelerometer, take off velocity, vault

Abstract

Several measurement techniques can be used to analyze vaulting in gymnastics, however, no device is specifically developed for analyzing the springboard usage. After analyzing the literature about vaulting and the types of measuring devices used for analyzing physical parameters on vault we decided to develop a dedicated apparatus for measuring springboard actions. The new device is composed of a processor unit with LCD display and is connected to accelerometer sensors that are placed under the top desk of the springboard. The acceleration of the springboard desk during the jump is measured for two axes at 1000 Hz. From measured accelerations velocities are calculated by numerical integration and several parameters such as time to maximal springboard compression and maximal velocity at take-off are determined and displayed. The data is directly transferred to a PC for further analysis through an USB connection. Matlab software was used to record, filter and analyze the measured data. Results are in good agreement with simultaneously obtained results from the force plate and laser displacement sensor measurements (similar time and vertical velocity). With developed equipment it will be possible to determine typical springboard action parameters for individual gymnast, optimal springboard parameters for a required jump, to analyze repeatability of springboard jumps, to analyze transverse movements and to optimize training and its efficiency. The developed device has good potential for use as a fast information system as well as a device for suitable science/research projects in vaulting.

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