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Using the Star Excursion Balance Test as a Predictor of Lower Extremity Injury Among High School Basketball Athletes

Nelson, Brian D.
http://rave.ohiolink.edu/etdc/view?acc_num=toledo1333123121

Abstract Details

2012, Master of Science in Exercise Science, University of Toledo, College of Health Sciences.
Background: In the current literature, there is limited information to establish a reliable, cost-effective tool for preseason screening for predicting injury to the lower extremity with high success. The Star Excursion Balance Test (SEBT) has been employed for injury prediction of high school basketball players, but the reported outcomes did not fully consider normalizing procedures and mostly focused on injuries among female players. Purpose: To determine the usefulness of the SEBT as a predictor of lower extremity injury in high school basketball players and to identify a normalized cut-off score that would imply injury risk to individuals who scored below it. Design: Prospective cohort. Subjects: One hundred seventy (170) high school basketball athletes were recruited from Toledo, OH area high schools during both the 2009-2010 and 2011-2012 basketball seasons (age: 15.74 yrs± 1.11, height: 175.08 cm± 8.43, mass: 70.02 kg± 12.01) Methodology: All subjects were tested on the SEBT before their competitive basketball season began. Subjects were tested in three reach directions (anterior, posteriormedial, and posteriorlateral) and the scores were normalized (to leg length) for each reach direction and compiled to generate a normalized composite score. Subjects were then followed throughout the course of their competitive season while all traumatic ankle and knee injuries were recorded by a Certified Athletic Trainer. Independent t-tests were used to determine statistical differences between groups. A receiver operator characteristic curve was used to obtain a cut-off score for each of the four SEBT measures that maximized sensitivity and specificity. From these calculations, likelihood ratios, odds ratios, and effect sizes were obtained. Statistical significance was set a priori at 0.05. Results: For the SEBT composite, there was no statistical significance between subjects who did and did not suffer a lower extremity injury (t=0.728, p=0.468). The ROC Cut-off score with the composite was 72.36% of leg length, associated with a sensitivity of 0.58, a specificity of 0.55, and an Odds Ratio (OR) of 1.7. For the anterior reach direction of the SEBT, there was no statistical significance between subjects who did and did not suffer a lower extremity injury (t=0.257, p=0.797). The ROC Cut-off score of 66.98% of leg length was associated with a sensitivity of 0.42, a specificity of 0.62, and an OR of 1.17. For the posteriormedial reach direction of the SEBT, there was no statistical significance between subjects who did and did not suffer a lower extremity injury (t=0.317, p=0.751). The ROC Cut-off score of 78.64% of leg length was associated with a sensitivity of 0.55, a specificity of 0.53, and an OR of 1.37. For the posteriorlateral reach direction of the SEBT, there was no statistical significance between subjects who did and did not suffer a lower extremity injury (t=0.053, p=0.958). The ROC Cut-off score of 67.45% of leg length was associated with a sensitivity of 0.42, a specificity of 0.60, and an OR of 1.08. Conclusions: In this study, the SEBT demonstrated little ability to predict injury with any accuracy among high school basketball athletes as demonstrated by the data. This finding is in direct contrast with previous studies, suggesting the need for future studies perhaps with a larger sample size.
Phillip Gribble, PhD (Committee Chair)
Brian Pietrosimone, PhD (Committee Member)
Kate Pfile, PhD (Committee Member)

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Citations

  • Nelson, B. D. (2012). Using the Star Excursion Balance Test as a Predictor of Lower Extremity Injury Among High School Basketball Athletes [Master's thesis, University of Toledo]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1333123121

    APA Style (7th edition)

  • Nelson, Brian. Using the Star Excursion Balance Test as a Predictor of Lower Extremity Injury Among High School Basketball Athletes. 2012. University of Toledo, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=toledo1333123121.

    MLA Style (8th edition)

  • Nelson, Brian. "Using the Star Excursion Balance Test as a Predictor of Lower Extremity Injury Among High School Basketball Athletes." Master's thesis, University of Toledo, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1333123121

    Chicago Manual of Style (17th edition)

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© 2012, all rights reserved.
This open access ETD is published by University of Toledo and OhioLINK.