The Effect of Anterior Cruciate Ligament Deficiency and Functional Bracing on Translation of the Tibia Relative to the Femur during Nonweightbearing and Weightbearing

Beynnon, Bruce D.; Fleming, Braden C.; Churchill, David L.; Brown, Daniel W.

doi:10.1177/03635465030310012801

Cited by 52 publications

(47 citation statements)

References 23 publications

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“…Subsequent knee injuries among skiers were found to be 6.4 times more likely in unbraced skiers. Interestingly, functionally braced skiers demonstrated greater degrees of anteroposterior laxity, which contrasts with findings by Beynnon et al, 6 who found that functional bracing led to lesser degrees of laxity.…”

Section: Evidence For Bracing Of High-risk Individualscontrasting

confidence: 84%

“…[6][7][8][9] Human and surrogate models have been used to confirm the effects of bracing. Using arthroscopy, Beynnon et al, 7 implanted transducers into the ACL of patients to measure strain.…”

Section: Mechanism Of Actionmentioning

confidence: 99%

“…This article focuses upon prophylactic braces, which are used to limit valgus stress injuries, and functional braces, which are used to prevent anterior translation of the tibia and to limit stress on anterior cruciate ligament-deficient and reconstructed knees. [5][6][7][8][9] The use, mechanism of action, clinical efficacy, and recommendation for prescription of prophylactic and functional braces are discussed as they apply to the prevention of ligamentous knee injuries in different patient populations. The Physician and Sportsmedicine Downloaded from informahealthcare.com by Fudan University on 05/16/15 For personal use only.…”

mentioning

confidence: 99%

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Anterior Cruciate Ligament Bracing: Evidence in Providing Stability and Preventing Injury or Graft Re-Rupture

Bodendorfer¹,

Anoushiravani²,

Gallo³

2013

The Physician and Sportsmedicine

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Ligamentous knee injuries are common and costly, both in financial terms and time missed from work and recreational activities. Furthermore, ligamentous injuries appear to predispose patients to future osteoarthritis and other morbidities. Therefore, prevention strategies are important in limiting the potential impact of these injuries. Knee braces are one of the most often prescribed devices in the billion-dollar orthotic industry. Despite widespread use of prophylactic and functional knee braces, the evidence supporting their efficacy in reducing and/or preventing injury remains limited. Knee braces have been shown to be more effective in preventing medial collateral ligament injuries than anterior cruciate ligament injuries in both cadaveric and clinical studies. The use of functional braces after anterior cruciate ligament reconstruction has been supported and refuted in both postoperative and long-term studies.

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Section: Evidence For Bracing Of High-risk Individualscontrasting

confidence: 84%

Section: Mechanism Of Actionmentioning

confidence: 99%

mentioning

confidence: 99%

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Anterior Cruciate Ligament Bracing: Evidence in Providing Stability and Preventing Injury or Graft Re-Rupture

Bodendorfer¹,

Anoushiravani²,

Gallo³

2013

The Physician and Sportsmedicine

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“…39 Bracing was, however, not effective in reducing abnormal anteroposterior laxity during the transition from nonYweight bearing to weight bearing, which was noted to be the period of greatest instability. This may explain why braced patients continue to have anteroposterior instability during physical activity.…”

Section: Functional Knee Bracingmentioning

confidence: 88%

Knee Bracing in Sports Medicine

Bridge¹,

Stanish²,

Russell³

et al. 2008

Techniques in Knee Surgery

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Considerable controversy still surrounds the use of knee bracing in the sports medicine patient. Several recent randomized controlled trials have shed new light on the debate. This article reviews the current clinical and biomechanical evidence supporting the efficacy of 5 brace types: prophylactic, rehabilitative, functional, offloader, and patellofemoral knee braces. A summary of evidence-based implications and techniques for selecting and fitting these braces will also be presented.

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“…Biomechanical studies reported that knee stability does not restore by wearing functional knee braces under high forces related to challenging activities (7). Beynnon et al (17) showed that knee bracing was effective to reduce abnormal anteroposterior laxity in patients with chronic ACLtear in static conditions. However, they reported that braces were not effective in reducing the abnormal translations in dynamic conditions.…”

Section: Discussionmentioning

confidence: 99%

The Effects of Functional Knee Brace on Postural Control in Patients Who Underwent Anterior Cruciate Ligament Reconstruction

Salehi

Goharpey

Tayebi

et al. 2016

Jentashapir J Health Res

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Background: The current study aimed to evaluate the postural control in patients underwent anterior cruciate ligament reconstruction pre and post wearing functional knee brace. Methods: Eighteen athletes undergone unilateral anterior cruciate ligament reconstruction included in the study. They had unilateral anterior cruciate ligament reconstruction at least six months before session test. Postural control was assessed pre and post wearing custom-fit functional knee brace using a posturographic platform prokin 254. The balance tests included: 1) standing on prokin platform with eyes open/closed on anterior cruciate ligament reconstruction limb, 2) standing on prokin platform with eyes open/closed on both limbs. The standard deviation (SD) of body sway along the anteroposterior (AP) and mediolateral (ML) axis, mean velocity of center of pressure (COP) along AP/ ML axis and the area ellipse (measured in 2 mm) were calculated. Results: Results of the paired T-test revealed a significant effect on selected postural control variables for the brace conditions especially in low challengeable conditions (double leg, eyes open test situations) (P < 0.05). But in high challengeable conditions this effect was not significant. Conclusions: Functional knee brace improved postural control in the simple balancing task in the subjects with anterior cruciate ligament reconstruction. But this improvement in more difficult balancing task was limited.

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The Effect of Anterior Cruciate Ligament Deficiency and Functional Bracing on Translation of the Tibia Relative to the Femur during Nonweightbearing and Weightbearing

Abstract: This study explains why subjects with anterior cruciate ligament tears gain partial control of pathologic anteroposterior laxity with the use of a brace but may continue to experience abnormal translations during activity.

Cited by 52 publications

References 23 publications

Anterior Cruciate Ligament Bracing: Evidence in Providing Stability and Preventing Injury or Graft Re-Rupture

Anterior Cruciate Ligament Bracing: Evidence in Providing Stability and Preventing Injury or Graft Re-Rupture

Knee Bracing in Sports Medicine

The Effects of Functional Knee Brace on Postural Control in Patients Who Underwent Anterior Cruciate Ligament Reconstruction

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