Abstract
Objectives
To assess the association between early physical activity and post-concussion sleep
quality, dizziness, and postural stability among adolescents with concussion compared
to uninjured controls.
Design
Cross-sectional.
Methods
Adolescents ages 13–18 years assessed within 14 days post-concussion and uninjured
controls. Those with concussion reported if they participated in physical activity
between the concussion and assessment. Participants completed the Dizziness Handicap
Inventory, Pittsburgh Sleep Quality Index, and single/dual-task tandem gait.
Results
We enrolled 34 participants with concussion (early physical activity: n = 10, age = 15.8 ± 1.6
years, 70% female; no physical activity: n = 24, age = 16.0 ± 1.3 years, 50% female)
and 21 uninjured controls (age = 16.0 ± 1.8 years, 48% female). Compared to controls,
the no physical activity group reported worse sleep quality (Pittsburgh Sleep Quality
Index: 3.8 ± 2.7 vs 8.0 ± 4.9 points, p = 0.002) and single-task tandem gait time
(13.7 ± 3.4 vs 21.2 ± 8.1 s, p = 0.0006), while the early physical activity group
did not (Pittsburgh Sleep Quality Index: 3.8 ± 2.7 vs 5.8 ± 3.2 points, p = 0.38;
single-task tandem gait: 13.7 ± 3.4 vs 19.0 ± 5.7 s, p = 0.08). Compared to controls,
early/no physical activity groups reported worse dizziness (Dizziness Handicap Inventory:
2.0 ± 3.4 vs 22.9 ± 23.8 vs 27.4 ± 19.2 points, p < 0.0001). There were no significant
between-group differences for dual-task tandem gait (24.1 ± 8.0 vs 24.8 ± 6.2 vs 26.6 ± 7.3
s, p = 0.57).
Conclusions
The no physical activity group reported worse sleep quality and slower single-task
tandem gait than controls, while both groups reported similar sleep quality and tandem
gait. Early physical activity may promote sleep quality and postural stability, or
early physical activity may be a function of improved sleep and postural stability
after concussion.
Keywords
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Article info
Publication history
Published online: February 07, 2023
Accepted:
February 2,
2023
Received in revised form:
January 31,
2023
Received:
November 30,
2022
Publication stage
In Press Journal Pre-ProofIdentification
Copyright
© 2023 Sports Medicine Australia. Published by Elsevier Ltd. All rights reserved.
