Single-Leg Assessment of Postural Stability After Anterior Cruciate Ligament Injury: a Systematic Review and Meta-Analysis

Lehmann, Tim; Paschen, Linda; Baumeister, Jochen

doi:10.1186/s40798-017-0100-5

Cited by 33 publications

(32 citation statements)

References 54 publications

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“…Prior to measuring cortical activity and balance scores, participants were connected to the 32‐channel EEG system (LiveAmp, Brain Products) with adequate impedance level (<5 KΩ) 13 and stood on the Biodex Balance System (Biodex, Shirley). Participants were instructed to position the stance foot on the platform, where the center of pressure (CoP) reflects zero variation in the mediolateral (X) and antero‐posterior (Y) coordination 2 . The ACLR group performed the single‐leg balance trials on the ACLR limb, while the CONT group performed on the matched limb under two randomized conditions: visual feedback (VF) and non‐visual feedback (NVF).…”

Section: Methodsmentioning

confidence: 99%

“…An anterior cruciate ligament (ACL) tear, which is among the most enervating injury in a physically active population, 1 can lead to permanent neuromuscular control deficits such as decreased postural control or knee function even after surgical reconstruction 2,3 . In fact, the lingering deficits still lead to an upwards of 20‐fold risk of either re‐tear or contralateral ACL injury, 3‐5 or early development of knee osteoarthritis 6 .…”

Section: Introductionmentioning

confidence: 99%

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Altered cortical activation after anterior cruciate ligament reconstruction during single‐leg balance task

Jiganti¹,

Chang

Romanelli

et al. 2020

Transl Sports Med

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Purpose Poor balance in anterior cruciate ligament reconstruction (ACLR) patients indicates neuromuscular control (NMC) deficits, which may be associated with altered cortical activation in the brain. This study examines cortical activation patterns in ACLR patients compared with healthy controls during a single‐leg balance task with and without visual feedback. Methods Thirteen ACLR patients (ACLR, 23.38 ± 3.38 years) and thirteen healthy controls (CONT, 23.54 ± 3.48 years) performed a single‐leg balance task with both visual feedback (VF) and non‐visual feedback (NVF) with continuous electroencephalograph (EEG) monitoring. Knee function was also evaluated through a subjective assessment survey. Results Frontal theta power was significantly higher with VF compared to NVF. Significant group‐by‐condition interaction effect for parietal alpha‐2 revealed that the CONT group had increased activation with VF, whereas the ACLR group had increased activation with NVF. A negative correlation emerged between KOS‐ADL in the ACLR group with parietal alpha‐2 during NVF and occipital alpha‐2 during VF. Conclusion ACLR patients had comparable single‐leg balance to healthy controls, yet different cortical activation patterns emerged on EEG. ACLR patients with better knee function showed greater cortical activation in the somatosensory and visual cortices. Further research should consider these cortical changes in restoration of balance after ACLR.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Altered cortical activation after anterior cruciate ligament reconstruction during single‐leg balance task

Jiganti¹,

Chang

Romanelli

et al. 2020

Transl Sports Med

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“…Postural regulation plays an important role in both team sports (e.g., basketball, handball) [2,[5][6][7], technical sports (e.g., diving, ski jumping, and gymnastics) [3,[8][9][10], different styles of riding [11], or the impact of therapeutic riding on gait and posture regulation [12]. For example, posture can be decisive for the starting position of high movements, such as in diving and gymnastic movements, as well as at the end of movements, such as in ski jumping and (again) gymnastics.…”

Section: Introductionmentioning

confidence: 99%

Comparison of Postural Stability and Regulation among Female Athletes from Different Sports

et al. 2021

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The aim of this study was to evaluate the postural regulation of female athletes who participate in different sports under normal and high-demand conditions. Fifty-nine female athletes were classified into four specific groups based on their individual sport, which included basketball (n = 16), gymnastics (n = 10), ski jumping (n = 13), diving (n = 8), and one group of recreational athletes (n = 12). These groups were then compared using several posturographic tests under four bipedal conditions: eyes open or closed and on a stable surface or foam pad. While there were some differences between groups standing in the less demanding positions (stable surface), the higher demanding positions (unstable surface-foam pads) showed significant differences between the technical sports (ski jumping, diving, and gymnastics) and basketball and recreational athletes. Most (50%, 6/12) of significant differences were provided by sports. In contrast, the predictors age, weight, and height played only a minor role within the covariance analysis. The largest effect by sports was detected for the anterior-posterior weight distribution standing on foam pads with closed eyes (p = 0.015, ηp2 = 0.211). Ski jumping and recreational athletes showed the largest (p = 0.011) partial difference by sports for this parameter and test position. According to the parameters, the weight distribution index (WDI) was the variable with the most significant effects (50%, 6/12). These results provide coaches and athletes with a more sport specific view on postural regulation and potentially assist in identifying deficits to improve sports performance and reduce the risk of injury.

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“…Accordingly, a recent systematic review concluded that knee proprioception is diminished after ACL injury because the mechanoreceptors are disrupted by injury (Relph et al, 2014). In turn, balance deficits are commonly reported in individuals with ACL injury, purportedly for the same reason (Lehmann et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Effects of localized vibration on knee joint position sense in individuals with anterior cruciate ligament reconstruction

Nagai

Bates

Hewett

et al. 2018

Clinical Biomechanics

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Single-Leg Assessment of Postural Stability After Anterior Cruciate Ligament Injury: a Systematic Review and Meta-Analysis

Cited by 33 publications

References 54 publications

Altered cortical activation after anterior cruciate ligament reconstruction during single‐leg balance task

Altered cortical activation after anterior cruciate ligament reconstruction during single‐leg balance task

Comparison of Postural Stability and Regulation among Female Athletes from Different Sports

Effects of localized vibration on knee joint position sense in individuals with anterior cruciate ligament reconstruction

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