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Knee braces

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https://www.readbyqxmd.com/read/28072630/bracing-of-the-reconstructed-and-osteoarthritic-knee-during-high-dynamic-load-tasks
#1
Harvi F Hart, Kay M Crossley, Natalie J Collins, David C Ackland
PURPOSE: Lateral compartment osteoarthritis accompanied by abnormal knee biomechanics are frequently reported in individuals with knee osteoarthritis after anterior cruciate ligament reconstruction (ACLR). The aim of this study was to evaluate changes in knee biomechanics produced by an adjusted and unadjusted varus knee brace during high dynamic loading activities in individuals with lateral knee osteoarthritis after ACLR and valgus malalignment. METHODS: Nineteen participants who had undergone ACLR 5 to 20 years previously and had symptomatic and radiographic lateral knee osteoarthritis with valgus malalignment were assessed...
January 9, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28024306/a-canine-arthroscopic-anterior-cruciate-ligament-reconstruction-model-for-study-of-synthetic-augmentation-of-tendon-allografts
#2
James L Cook, Pat Smith, James P Stannard, Ferris Pfeiffer, Keiichi Kuroki, Chantelle C Bozynski, Cristi Cook
Novel graft types, fixation methods, and means for augmenting anterior cruciate ligament (ACL) reconstructions require preclinical validation prior to safe and effective clinical application. The objective of this study was to describe and validate a translational canine model for all-inside arthroscopic complete ACL reconstruction using a quadriceps tendon allograft with internal brace (QTIB). With institutional approval, adult research hounds underwent complete transection of the native ACL followed by all-inside ACL reconstruction using the novel QTIB construct with suspensory fixation (n = 10)...
December 26, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27999505/osteochondral-allograft-transplantation-for-femoral-trochlear-dysplasia
#3
Dharmpal V Vansadia, James R Heltsley, Scott Montgomery, Misty Suri, Deryk G Jones
BACKGROUND: The risk factors for patellofemoral joint instability include laxity of medial patellar restraints, abnormal limb geometry, femoral and tibial malrotation, patella alta, and trochlear dysplasia. Femoral trochlear dysplasia is characterized by a hypoplastic or shallow trochlear groove. CASE REPORT: We report the case of a 31-year-old female with trochlear dysplasia and recurrent patella dislocations, laxity of the medial patellofemoral ligament (MPFL), and high-grade chondromalacia of the trochlea and the patella...
2016: Ochsner Journal
https://www.readbyqxmd.com/read/27939833/orthoses-for-osteoarthritis-a-narrative-review
#4
REVIEW
Johann Beaudreuil
Orthoses for osteoarthritis represent splints, taping, sleeves, unloading knee braces and insoles. This review of the effectiveness of these orthoses involved a search for articles published up to 2015 in MEDLINE via PubMed, with a focus on Osteoarthritis Research Society International, American College of Rheumatology and European League Against Rheumatology international recommendations. Evidence for splinting effectiveness in patients with thumb-base osteoarthritis is now provided. Splints for thumb-base osteoarthritis decrease pain and functional disability...
December 6, 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27872123/effect-of-external-ankle-support-on-ankle-and-knee-biomechanics-during-the-cutting-maneuver-in-basketball-players
#5
Nardia-Rose Klem, Catherine Y Wild, Sian A Williams, Leo Ng
BACKGROUND: Despite the high prevalence of lower extremity injuries in female basketball players as well as a high proportion of athletes who wear ankle braces, there is a paucity of research pertaining to the effects of ankle bracing on ankle and knee biomechanics during basketball-specific tasks. PURPOSE: To compare the effects of a lace-up brace (ASO), a hinged brace (Active T2), and no ankle bracing (control) on ankle and knee joint kinematics and joint reaction forces in female basketball athletes during a cutting maneuver...
November 21, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27826907/the-unstable-knee-in-congenital-limb-deficiency
#6
REVIEW
Gabriel T Mindler, Christof Radler, Rudolf Ganger
PURPOSE: Instability of the knee is a common finding in patients with congenital limb deficiency. The instability can be attributed to soft tissue abnormalities, frontal, sagittal or rotational deformity of the lower limb and bony dysplasia of the patella or of the femoral condyles. In most of the cases, these pathomorphologic changes stay asymptomatic in daily activity. However, instability can appear during deformity correction and bone-lengthening procedures, leading to flexion contracture or subluxation of the knee...
December 2016: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/27770156/-arthroscopic-refixation-of-acute-proximal-anterior-cruciate-ligament-rupture-using-suture-anchors
#7
A Achtnich, S Rosslenbroich, K Beitzel, A B Imhoff, W Petersen
OBJECTIVE: Arthroscopic assisted suture anchor refixation combined with microfracturing of the femoral ACL insertion zone in cases of acute proximal anterior cruciate ligament (ACL) rupture to restore anatomical and biomechanical properties of the native ACL. INDICATIONS: Acute proximal ACL rupture/avulsion, multiligament injury of the knee CONTRAINDICATIONS: Chronic (>6 weeks) proximal ACL rupture, intraligamentary rupture, as well as previous ACL surgery. SURGICAL TECHNIQUE: Arthroscopic examination of the knee joint, debridement of the femoral insertion zone, examination of the ligament quality by a probe, insertion of a curved lasso through the ACL to place the sutures and use of a drill guide to place the anchor in the middle of the femoral ACL insertion...
October 21, 2016: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/27766344/anterior-laxity-and-patient-reported-outcomes-7%C3%A2-years-after-acl-reconstruction-with-a-fresh-frozen-tibialis-allograft
#8
Emily Meike, S M Howell, M L Hull
PURPOSE: After reconstructing a torn ACL with a soft tissue allograft, the long-term healing process of graft maturation following the short-term healing process of graft incorporation into the bone tunnels might lead to recurring instability and concomitant decreases in the activity level, function, and patient satisfaction. Relying on roentgen stereophotogrammetric analysis (RSA), the primary purpose was to determine whether anterior laxity increased and whether patient-reported outcomes declined between 1 and 7 years for a particular graft construct, surgical technique, and rehabilitation programme...
October 20, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27750364/clinical-outcomes-of-a-pneumatic-unloader-brace-for-kellgren-lawrence-grades-3-to-4-osteoarthritis-a-minimum-1-year-follow-up-study
#9
Morad Chughtai, Anil Bhave, Sabahat Z Khan, Anton Khlopas, Osman Ali, Steven F Harwin, Michael A Mont
The use of a pneumatic unloader brace has been shown in pilot studies to decrease pain and increase muscle strength in patients with knee osteoarthritis (OA). Therefore, we analyzed patients who had knee OA, and either received a pneumatic unloader brace and conventional treatment or conventional treatment alone. Specifically, we assessed: (1) use of pain relieving injections; (2) opioid consumption; and (3) the eventual need for total knee arthroplasty (TKA) in the above-mentioned cohort. We performed an analysis of a longitudinally maintained database of patients from a prospective, randomized, single center study...
November 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27747850/image-guided-hyaluronic-acid-injection-and-knee-bracing-significantly-improve-clinical-outcomes-for-high-grade-osteoarthritis
#10
Terry K Morgan, Emilie Jensen, Jeong Lim, Russell Riggs
BACKGROUND: Intra-articular hyaluronic acid (HA) injection is an intermediate option between analgesics and knee joint replacement in patients with osteoarthritis (OA). Our objective was to test whether image-guided HA injections may improve knee OA outcomes after 6 months of treatment independent of potential covariates. METHODS: This is a retrospective case series with multivariate outcome-based analysis of 207 consecutive adult patients with mild to severe knee OA treated at a single out-patient clinic employing fluoroscopy-guided HA injections...
December 2015: Sports Medicine—Open
https://www.readbyqxmd.com/read/27741108/guided-growth-for-tibia-vara-blount-s-disease
#11
John A Heflin, Scott Ford, Peter Stevens
Blount's disease is commonly attributed to an intrinsic, idiopathic defect in the posteromedial proximal tibial physis resulting in progressive bowing of the leg, intoeing, and lateral knee thrust. Treatment has historically included bracing, physeal stapling, or corrective osteotomy, and was determined primarily by age at presentation. As we feel the pathology is not necessarily age dependent, we have elected to use the technique of guided growth using a lateral tension band plate to correct limb alignment as a first-line treatment in all patients presenting to our clinic as long as they had growth remaining and no evidence of a physeal bar...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27737288/historical-patterns-and-variation-in-treatment-of-injuries-in-nfl-national-football-league-players-and-ncaa-national-collegiate-athletic-association-division-i-football-players
#12
Eric C McCarty, Matthew J Kraeutler, Paula Langner, Shane Cook, Byron Ellis, Jenna M Godfrey
We conducted a study to identify and contrast patterns in the treatment of common injuries that occur in National Football League (NFL) players and National Collegiate Athletic Association (NCAA) Division I football players. Orthopedic team physicians for all 32 NFL and 119 NCAA Division I football teams were asked to complete a survey regarding demographics and preferred treatment of a variety of injuries encountered in football players. Responses were received from 31 (97%) of the 32 NFL and 111 (93%) of the 119 NCAA team physicians...
September 2016: American Journal of Orthopedics
https://www.readbyqxmd.com/read/27697389/effects-of-prophylactic-knee-bracing-on-knee-joint-kinetics-and-kinematics-during-netball-specific-movements
#13
Jonathan K Sinclair, Hayley Vincent, Jim D Richards
OBJECTIVE: To investigate the effects of a prophylactic knee brace on knee joint kinetics and kinematics during netball specific movements. DESIGN: Repeated measures. SETTING: Laboratory. PARTICIPANTS: Twenty university first team level female netball players. OUTCOME MEASUREMENTS: Participants performed three movements, run, cut and vertical jump under two conditions (brace and no-brace). 3-D knee joint kinetics and kinematics were measured using an eight-camera motion analysis system...
January 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/27676901/dynamic-activity-of-unloader-knee-braces-in-genu-varum-subjects-new-insights-to-improve-compliance-in-medial-knee-osteoarthritis-patients
#14
Patrice Rougier, Etienne Cusin
OBJECTIVE: Using unloader knee braces with 3-point pressure in knee osteoarthritis patients is debated. The main reason is discomfort resulting in poor compliance. Studying the external knee adduction moment (EKAM) curve, gold standard in the medial knee load estimation, should be helpful to reduce this discomfort. Reducing constraint solely during the stance phase of gait (combined with an inactivation during large knee flexion) should indeed considerably improve comfort. Thus, the objective of this study was to validate both a method for measuring dynamic activity of new unloader knee braces and to highlight the biomechanical effectiveness of these orthoses...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27676827/an-algorithm-to-improve-knee-orthosis-prescription-for-osteoarthritis-patients
#15
Johann Beaudreuil, Jean Marie Coudreuse, Christelle N Guyen, Philippe Deat, Aurore Chabaud, Bruno Pereira, Alain Lorenzo, Frédéric Sailhan, François Rannou, Emmanuel Coudeyre
OBJECTIVE: To develop an algorithm to help orthosis prescription for knee osteoarthritis patients. MATERIAL/PATIENTS AND METHODS: Systematic review of the literature using a qualitative analysis on Pubmed databases, Cochrane Library and Pedro from 1966 to 2015, using the keywords "knee osteoarthritis", "orthosis" with recommendations and highest quality trials. Development of a preliminary version of the algorithm using data from the literature and taking into account experience of different health professionals involved in the management of osteoarthritis patients...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27632838/effects-of-volitional-spine-stabilization-and-lower-extremity-fatigue-on-knee-and-ankle-during-landing-performance-in-a-recurrent-low-back-pain-population
#16
Ram Haddas, Steven F Sawyer, Phillip S Sizer, Toby Brooks, Ming-Chien Chyu, C Roger James
INTRODUCTION: Recurrent LBP (rLBP) and neuromuscular fatigue are independently thought to increase the risk of lower extremity (LE) injury. Volitional preemptive abdominal contraction (VPAC) is thought to improve lumbar spine and pelvis control in individuals with rLBP. The effects of VPAC on fatigued landing performance in individuals with rLBP are unknown. OBJECTIVES: To determine the effects of VPAC and LE fatigue on landing performance in a rLBP population. DESIGN: Cross-sectional pretest-posttest cohort control design...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27592299/prophylactic-knee-bracing-alters-lower-limb-muscle-forces-during-a-double-leg-drop-landing
#17
Katie A Ewing, Justin W Fernandez, Rezaul K Begg, Mary P Galea, Peter V S Lee
Anterior cruciate ligament (ACL) injury can be a painful, debilitating and costly consequence of participating in sporting activities. Prophylactic knee bracing aims to reduce the number and severity of ACL injury, which commonly occurs during landing maneuvers and is more prevalent in female athletes, but a consensus on the effectiveness of prophylactic knee braces has not been established. The lower-limb muscles are believed to play an important role in stabilizing the knee joint. The purpose of this study was to investigate the changes in lower-limb muscle function with prophylactic knee bracing in male and female athletes during landing...
October 3, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27584265/movement-and-loading-symmetry-changes-when-wearing-a-functional-knee-brace-following-acl-reconstruction-1109-board-7-june-1-3-15-pm-5-15-pm
#18
Evan McConnell, Robin Queen
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27552455/efficacy-of-unloader-bracing-in-reducing-symptoms-of-knee-osteoarthritis
#19
Roger V Ostrander, Charles E Leddon, Joshua G Hackel, Christopher P O'Grady, Charles A Roth
Braces designed to unload the more diseased compartment of the knee have been used to provide symptomatic relief from osteoarthritis (OA). Research on the efficacy of these braces is needed. Thirty-one patients with knee OA were randomized to receive an unloader brace (n = 16) or not to receive a brace (control group, n = 15). Knee Injury and Osteoarthritis Outcomes Score (KOOS) and visual analog scale (VAS) scores were used to evaluate outcomes. KOOS results showed that the brace group had significantly less pain (P < ...
July 2016: American Journal of Orthopedics
https://www.readbyqxmd.com/read/27478579/transient-superficial-peroneal-nerve-palsy-after-anterior-cruciate-ligament-reconstruction
#20
Majed Alrowaili
A 19-year-old male subject was diagnosed with medial meniscal, lateral meniscal and anterior cruciate ligament (ACL) tear. The symptoms did not subside after 4 months of physical therapy, and he underwent arthroscopic partial medial and lateral meniscectomy and ACL reconstruction. Immediately after the patient woke up from general anesthesia, he started experience loss of sensation in the area of superficial peroneal nerve with inverted dorsiflexion of foot and ankle. Instantly, the bandage and knee brace was removed and a diagnosis of compartment syndrome was ruled out...
April 26, 2016: Clinics and Practice
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