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Sports Health. 2016 Nov/Dec;8(6):561-567. doi: 10.1177/1941738116666509. Epub 2016 Sep 20.

Association Between Concussion and Lower Extremity Injuries in Collegiate Athletes.

Author information

1
Department of Intercollegiate Athletics, University of North Georgia, Dahlonega, Georgia.
2
School of Health and Kinesiology, Georgia Southern University, Statesboro, Georgia.
3
College of Health and Human Sciences, Georgia Southern University, Statesboro, Georgia.
4
Carolinas Healthcare System, Charlotte, North Carolina.
5
Department of Kinesiology and Applied Physiology, University of Delaware, Newark, Delaware.
6
Interdisciplinary Program in Biomechanics and Movement Science, University of Delaware, Newark, Delaware.

Abstract

BACKGROUND:

Concussions have been associated with elevated musculoskeletal injury risk; however, the influence of unreported and unrecognized concussions has not been investigated.

HYPOTHESIS:

The purpose of this study was to examine the association between concussion and lower extremity musculoskeletal injury rates across a diverse array of sports among collegiate student-athletes at the conclusion of their athletic career. The hypothesis was that there will be a positive association between athletes who reported a history of concussions and higher rates of lower extremity injuries.

STUDY DESIGN:

Cross-sectional study.

LEVEL OF EVIDENCE:

Level 3.

METHODS:

Student-athletes (N = 335; 62.1% women; mean age, 21.2 ± 1.4 years) from 13 sports completed a reliable injury history questionnaire. Respondents indicated the total number of reported, unreported, and potentially unrecognized concussions as well as lower extremity injuries including ankle sprains, knee injuries, and muscle strains. Chi-square analyses were performed to identify the association between concussion and lower extremity injuries.

RESULTS:

There were significant associations between concussion and lateral ankle sprain ( P = 0.012), knee injury ( P = 0.002), and lower extremity muscle strain ( P = 0.031). There were also significant associations between reported concussions and knee injury ( P = 0.003), unreported concussions and knee injury ( P = 0.002), and unrecognized concussions and lateral ankle sprain ( P = 0.001) and lower extremity muscle strains ( P = 0.006), with odds ratios ranging from 1.6 to 2.9.

CONCLUSION:

There was a positive association between concussion history and lower extremity injuries (odds ratios, 1.6-2.9 elevated risk) among student-athletes at the conclusion of their intercollegiate athletic careers.

CLINICAL RELEVANCE:

Clinicians should be aware of these elevated risks when making return-to-participation decisions and should incorporate injury prevention protocols.

KEYWORDS:

ankle sprain; anterior cruciate ligament injury; injury risk; mild traumatic brain injury; muscle strain

PMID:
27587598
PMCID:
PMC5089357
DOI:
10.1177/1941738116666509
[Indexed for MEDLINE]
Free PMC Article

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