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  • Author: Abbis Jaffri x
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Landon Lempke, Abbis Jaffri and Nicholas Erdman

Clinical Scenario: Currently, rest following concussion serves as the keystone of concussion treatment, but substantial evidence to support it is lacking. Recent literature suggests that early physical activity may be beneficial in reducing concussion symptoms which may influence clinical recovery time. Clinical Question: Does early physical activity decrease postconcussion symptoms compared to physical rest following concussion? Summary of Key Findings: A total of 5 articles were included that examined symptom duration changes at multiple time points. All 5 studies utilized follow-up time points compared to initial examination, but there was variance in the specific time points reported. Two studies employed control groups and compared strict or recommended rest to early activity or limited rest. Three studies were observational studies that directly compared baseline measurements to follow-up assessments. Clinical Bottom Line: Current evidence suggests that early physical activity in the acute phase following a concussion may decrease the time needed for symptom resolution compared to immediate rest. Strength of Recommendation: Using Centre for Evidence-Based Medicine 2011 level 3 evidence and higher, the results suggest that early physical activity during the acute phase of a concussion may decrease symptom duration; however, a lack of high-quality studies and inconsistent interventions are limitations to this recommendation.

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Abbis H. Jaffri, Thomas M. Newman, Brent I. Smith, Giampietro L. Vairo, Craig R. Denegar, William E. Buckley and Sayers J. Miller

Context: The Dynamic Leap Balance Test (DLBT) is a new dynamic balance task that requires serial changes in base of support with alternating limb support and recovery of dynamic stability, as compared with the Y modification of the Star Excursion Balance Test (Y-SEBT), which assesses dynamic stability over an unchanging base of support. Objectives: To assess the dynamic balance performance in 2 different types of dynamic balance tasks, the DLBT and the SEBT, in subjects with unilateral chronic ankle instability (CAI) when compared with matched controls. The authors hypothesized that the DLBT score would significantly differ between the CAI involved and uninvolved limbs (contralateral and healthy matched) and demonstrate a modest (r = .50) association with the SEBT scores. Design: Case-control. Setting: Controlled laboratory. Participants: A total of 36 physically active adults, 18 with history of unilateral CAI and 18 without history of ankle injury, were enrolled in the study. CAI subjects were identified using the Identification of Functional Ankle Instability questionnaire. Interventions: The DLBT and the SEBT were performed in a randomized order on a randomly selected limb in CAI and healthy subjects. Main Outcome Measures: Time taken to complete the DLBT and the reach distances performed on the SEBT were compared between the CAI and the healthy subjects. Results: There were no statistically significant differences (P < .05) in SEBT reach distances between groups. The DLBT time was greater (P < .01) for unstable ankles compared with the stable ankle. The authors found no correlation (P > .05) between DLBT time and any of the SEBT reach distances suggesting that the DLBT provides unique information in the assessment of patients with CAI. Conclusion: The DLBT challenges the ability to maintain postural control in CAI subjects differently than the SEBT. There is a need of more dynamic balance assessment tools that are functional and clinically relevant.