Preprint Article Version 1 This version is not peer-reviewed

Introducing a New Activity-Based Balance Index Using Accelerometer Data and Evaluating it as a Predictor of Skill Level among Elite Junior Soccer Players

Version 1 : Received: 23 May 2020 / Approved: 24 May 2020 / Online: 24 May 2020 (18:09:18 CEST)

How to cite: Lenjannejadian, S.; Reisi, J.; Salimi, M. Introducing a New Activity-Based Balance Index Using Accelerometer Data and Evaluating it as a Predictor of Skill Level among Elite Junior Soccer Players. Preprints 2020, 2020050393 (doi: 10.20944/preprints202005.0393.v1). Lenjannejadian, S.; Reisi, J.; Salimi, M. Introducing a New Activity-Based Balance Index Using Accelerometer Data and Evaluating it as a Predictor of Skill Level among Elite Junior Soccer Players. Preprints 2020, 2020050393 (doi: 10.20944/preprints202005.0393.v1).

Abstract

The aim of this study was to introduce a new activity-based balance index by using accelerometer data. Twenty-seven junior soccer players from the Iranian premier league were selected. Four functional tests, consisting of one leg stance, dynamic Y balance, running and dribbling tests, were conducted to assess the players’ balance, activity and skill. During these four tests, besides their relative scores, the acceleration of their body center was also recorded. Activity-based balance index (ABI) was calculated using these acceleration data. The results showed positive correlations between ABI and both static and dynamic balance scores. Additionally, negative correlations were found between ABI and dribbling scores, which demonstrate the agility required for this skill. It seems that this new index achieves the evaluation of both the balance and the skill level of soccer players. Perhaps this is a new way of talent identification and also a re-development of balance tests from traditional to modern.

Subject Areas

activity-based balance index; soccer; accelerometer; performance; skill assessment

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