Journal article
Dynamic single-leg postural control is impaired bilaterally following anterior cruciate ligament reconstruction: Implications for reinjury risk
The Journal of orthopaedic and sports physical therapy, Vol.46(5), pp.357-364
2016
Abstract
STUDY DESIGN: Cross-sectional, controlled laboratory study. BACKGROUND: Postural control following anterior cruciate ligament reconstruction (ACLR) primarily has been investigated during static single-leg balance tasks. Lile is known about dynamic postural control deficits post-ACLR. OBJECTIVES: To compare dynamic postural control (bilaterally) in individuals who have undergone ACLR and in healthy controls, and to evaluate the relationship between dynamic postural control and self-reported and objective function. METHODS: Ninety-seven participants (66 male; median age, 28 years) 12 months post-ACLR and 48 healthy controls (20 male; median age, 30 years) underwent balance assessment using a Nintendo Wii Balance Board during a single-leg squat. Centerof- pressure (CoP) path velocity, as well as CoP amplitude and standard deviation, in both mediolateral (ML) and anteroposterior (AP) directions were recorded. Self-reported function was assessed with the International Knee Documentation Commiee Subjective Knee Evaluation Form (IKDC), while hop for distance was used to evaluate functional status. RESULTS: Compared to healthy controls, the ACLR group had greater mean CoP path velocity (16% higher, P = .004), ML range (23%, P<.001), ML SD (28%, P<.001), AP range (14%, P = .009), and AP SD (15%, P = .013), indicating worse dynamic balance post-ACLR. Dynamic balance performance was similar between the ACLR limb and the uninjured contralateral limb. The AP SD was weakly associated with hop performance (β = .2, P = .046); no balance measures were associated with IKDC score. CONCLUSION: Individuals who have undergone ACLR demonstrate impaired dynamic balance bilaterally when performing a single-leg squat, which may have implications for physical function and future injury risk. Routine dynamic balance assessment may help identify patients who could benefit from targeted neuromuscular training programs to improve objective function and potentially lower reinjury risk. © 2016 Journal of Orthopaedic & Sports Physical Therapy.
Details
- Title
- Dynamic single-leg postural control is impaired bilaterally following anterior cruciate ligament reconstruction: Implications for reinjury risk
- Authors
- A G Culvenor (Author) - University of QueenslandB C Alexander (Author) - University of MelbourneRoss Clark (Author) - University of MelbourneN J Collins (Author) - University of QueenslandE Ageberg (Author) - Lund University, SwedenH G Morris (Author) - St Vincent's Private HospitalT S Whitehead (Author) - OrthoSport VictoriaK M Crossley (Author) - University of Queensland
- Publication details
- The Journal of orthopaedic and sports physical therapy, Vol.46(5), pp.357-364
- Publisher
- American Physical Therapy Association
- DOI
- 10.2519/jospt.2016.6305
- ISSN
- 0190-6011
- Organisation Unit
- School of Health and Sport Sciences - Legacy; School of Health and Behavioural Sciences - Legacy; University of the Sunshine Coast, Queensland; School of Health - Public Health
- Language
- English
- Record Identifier
- 99450547402621
- Output Type
- Journal article
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- Domestic collaboration
- International collaboration
- Web Of Science research areas
- Orthopedics
- Rehabilitation
- Sport Sciences
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