Introducing an Activity-Based Balance Index for Soccer Players: A Validity and Reliability Study
| Author | Jalil Reisi | en |
| Author | Shahram Lenjannejadian | en |
| Author | Filipe Clemente | en |
| Author | Cain Craig Truman Clark | en |
| Orcid | Jalil Reisi [0000-0002-6569-431X] | en |
| Orcid | Filipe Clemente [0000-0001-9813-2842] | en |
| Orcid | Cain Craig Truman Clark [0000-0002-6610-4617] | en |
| Issued Date | 2020-12-13 | en |
| Abstract | Objectives: The aim of this study was to evaluate the validity and reliability of introducing a new activity-based balance index using a triaxial accelerometer during activity. Methods: Twenty seven soccer players (age: 14.5 ± 0.4 years old, body mass: 58.3 ± 9.3 kg, height: 172 ± 8 cm) who participated in the national premier league were recruited. The participants were tested for their balance, activity, and skill in four tests: (I) one leg stance; (II) dynamic Y balance; (III) running; and (IV) dribbling slalom. The acceleration of the body was recorded using an accelerometer during those tests. By processing acceleration data, a new activity-based balance index (ABI) was calculated based on the velocity, acceleration, and position index of soccer players. Using intra-class correlation coefficients (ICC), reliability was calculated. Results: Reliability was high (ICC = 0.87 - 0.89; 95% CI = 0.77 - 0.93) in calculating ABI for the three activities performed in the tests. A significant positive correlation between ABI and both static and dynamic balance scores (r = 0.62, P = 0.002) was observed. Furthermore, negative correlation was found significantly between ABI and dribbling scores (r = -0.61, P = 0.026) and Y Balance test (r = 0.6, P = 0.002). Conclusions: In conclusion, the introduced ABI demonstrates great potential to determine balance and skill scores based on accelerometer-based measures. | en |
| DOI | https://doi.org/10.5812/asjsm.108903 | en |
| Keyword | Biomechanical Phenomena | en |
| Keyword | Postural Balance | en |
| Keyword | Acceleration | en |
| Keyword | Football | en |
| Keyword | Performance | en |
| Publisher | Brieflands | en |
| Title | Introducing an Activity-Based Balance Index for Soccer Players: A Validity and Reliability Study | en |
| Type | Research Article | en |
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