TY - JOUR PY - 2017// TI - Self-reported balance status is not a reliable indicator of balance performance in adolescents at one-month post-concussion JO - Journal of science and medicine in sport A1 - Rochefort, Coralie A1 - Walters-Stewart, Coren A1 - Aglipay, Mary A1 - Barrowman, Nick A1 - Zemek, Roger A1 - Sveistrup, Heidi SP - 970 EP - 975 VL - 20 IS - 11 N2 - OBJECTIVES: To determine if self-reported balance symptoms can be used as a proxy for measures of the center of pressure (COP) to identify balance deficits in a group of concussed adolescents.

DESIGN: Case-control.

METHODS: Thirteen adolescents 1-month post-concussion who reported ongoing balance problems (Balance+), 20 adolescent 1-month post-concussion who reported no balance problems (Balance-), and 30 non-injured adolescents (control) completed a series of balance tests. Participants completed two 2-min trials standing on a Nintendo Wii Balance Boardâ„¢ during which the COP under their feet was recorded: i) double-leg stance, eyes open; ii) double-leg stance, eyes closed. Participants also completed a dual-task condition combining a double-leg stance and a Stroop Colour-word test.

RESULTS: Participants in both the Balance+ and Balance- group swayed over a larger ellipse area compared to the control group while completing the Eyes Closed (Balance+, p=0.002; Balance-, p=0.002) and Dual-Task (Balance+, p=0.001; Balance-, p=0.004) conditions and performed the Dual-Task condition with faster medio-lateral velocity (Balance+, p=0.003; Balance-, p=0.009). The participants in the Balance- group also swayed over a larger ellipse area compared to the control group while completing the Eyes Open condition (p=0.005). No significant differences were identified between the Balance+ and Balance- groups.

CONCLUSIONS: At 1-month post-concussion, adolescents demonstrated balance deficits compared to non-injured adolescents regardless of whether they reported balance problems. These results suggest that self-reported balance status might not be an accurate reflection of balance performance following a concussion in adolescents.

Copyright © 2017 Sports Medicine Australia. Published by Elsevier Ltd. All rights reserved.

Language: en

LA - en SN - 1440-2440 UR - http://dx.doi.org/10.1016/j.jsams.2017.04.008 ID - ref1 ER -