Materials: Y Balance Test Kit.

Methods:

  • The patient stands on the center footplate, with the distal aspect of the right foot at the starting line
  • While maintaining single leg stance on the right leg, the patient reaches with the free limb (left leg) in the anterior, posteromedial, and posterolateral directions in relation to the stance foot by pushing the indicator box as far as possible
  • Participants complete 3 consecutive trials for each reach direction and to reduce fatigue subjects alternate limbs between each direction.
  • Attempts are discarded and repeated if: The subject fails to maintain unilateral stance on the platform, Fails to maintain reach foot contact with the reach indicator on the target area while the reach indicator is in motion, Uses the reach indicator for stance support, or Fails to return the reach foot to the starting position under control
  • The greatest reach of the three trials in each direction is recorded and the following formula is used to calculate the ‘Composite Score’

Untitled

Video demonstration from Phil Plisky, PT, DSc, OCS, ATC, CSCS

Reliability:

Screen Shot 2015-01-19 at 10.46.05 AM

Normative Data:

Screen Shot 2015-01-19 at 10.46.51 AM

Injury Prediction:

Screen Shot 2015-01-19 at 10.48.07 AM

Research:

1. Plisky PJ, et al. Star Excursion Balance Test as a predictor of lower extremity injury in high school basketball players. Journal of Orthopaedic & Sports Physical Therapy. 2006; 36(12): 911-919.

2. Plisky PJ, et al. The reliability of an instrumented device for measuring components of the Star Excursion Balance Test. North American Journal of Sports Physical Therapy. 2009; 4(2): 92-99.

3. Butler RJ, et al. Differences in Soccer Players’ Dynamic Balance Across Levels of Competition. Journal of Athletic Training. 2012; 47(6): 616–620.

4. Butler RJ , et al. Dynamic Balance Performance and Noncontact Lower Extremity Injury in College Football Players: An Initial Study. Sports Health: A Multidisciplinary Approach. 2013; 5(5): 417-422.

5. Garrison JC, et al. Baseball Players Diagnosed With Ulnar Collateral Ligament Tears Demonstrate Decreased Balance Compared to Healthy ControlsJournal of Orthopaedic & Sports Physical Therapy. 2013; 43(10): 752-758.

6. Shaffer SW, et al. Y-Balance Test: A Reliability Study Involving Multiple Raters. Military Medicine. 2013; 178(11): 1264-1270.

7. Hannon J, Garrison JC, Conway J. Lower extremity balance is improved at time of return to throwing in baseball players after an ulnar collateral ligament reconstruction when compared to pre-operative measurements. International Journal of Sports Physical Therapy. 2014; 9(3): 356-364.

8. Smith CA, et al. Association of Y Balance Test Reach Asymmetry and Injury in Division I Athletes. Medicine & Science in Sports & Exercise. 2014. [Epub ahead of print]

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