keyword
https://read.qxmd.com/read/37233797/clinical-and-biomechanical-outcomes-following-patellar-tendon-repair-with-suture-tape-augmentation
#21
JOURNAL ARTICLE
Maximilian Hinz, Stephanie Geyer, Felix Winden, Alexander Braunsperger, Florian Kreuzpointner, Markus Irger, Andreas B Imhoff, Julian Mehl
PURPOSE: Patellar tendon ruptures (PTR) occur predominantly in middle-aged patients following indirect trauma. The aim of this study was to quantify the short-term results using a suture tape augmentation technique for the repair of PTR. METHODS: All consecutive patients with acute (< 6 weeks) PTR who underwent suture tape augmentation between 03/2014 and 11/2019 at a single institution with a minimum follow-up of 12 months were retrospectively evaluated...
May 26, 2023: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://read.qxmd.com/read/37228958/osteophyte-related-medial-collateral-ligament-injury-in-asymptomatic-osteoarthritis-following-minor-trauma-a-case-report
#22
JOURNAL ARTICLE
Panpaporn Asavanapakas, Wachiraphan Parinyakhup, Tanarat Boonriong, Pattira Boonsri, Teeranan Laohawiriyakamol, Chaiwat Chuaychoosakoon
UNLABELLED: A proximal deep medial collateral ligament (MCL) injury usually occurs in high-impact sports such as football or hockey. This injury is not common in low-energy trauma but the predisposing factor, in this case, was an osteophyte located next to the deep MCL ligament, which had likely caused degenerative changes to the ligament from chronic irritation, resulting in reduced strength of the ligament. CASE PRESENTATION: A 78-year-old Thai female presented with left knee pain 1 h after a low-energy trauma caused by a fall...
May 2023: Annals of Medicine and Surgery
https://read.qxmd.com/read/37174763/combined-rehabilitation-protocol-in-the-treatment-of-osteoarthritis-of-the-knee-comparative-study-of-extremely-low-frequency-magnetic-fields-and-soft-elastic-knee-brace-effect
#23
JOURNAL ARTICLE
Teresa Paolucci, Daniele Porto, Raffaello Pellegrino, Ornela Sina, Andi Fero, Sara D'Astolfo, Sara Franceschelli, Antonia Patruno, Augusto Fusco, Mirko Pesce
The investigation of this observational case-control study aimed at determining the effectiveness of a combined treatment of extremely low-frequency electromagnetic fields (ELF) with a soft elastic knee brace versus ELF alone in knee osteoarthritis (KOA) with respect to a reduction in pain and functional recovery. We hypothesized that the combined use of ELF and a soft elastic knee brace may provide better results. Thirty-five patients (N = 35, divided into Group 1 = ELF and Group 2 = ELF with the soft elastic knee brace) were analyzed...
April 25, 2023: Healthcare (Basel, Switzerland)
https://read.qxmd.com/read/37155198/a-hybrid-anchoring-technology-composed-of-reinforced-flexible-shells-for-a-knee-unloading-exosuit
#24
JOURNAL ARTICLE
Sung-Sik Yun, Christian William Bundschu, Kyu-Jin Cho
Soft robotic wearables have emerged as an ergonomic alternative to rigid robotic wearables, commonly utilizing tension-based actuation systems. However, their soft structure's natural tendency to buckle limits their use for compression bearing applications. This study presents reinforced flexible shell (RFS) anchoring, a compliant, low-profile, ergonomic wearable platform capable of high compression resistance. RFS anchors are fabricated with soft and semirigid materials that typically buckle under compressive loads...
May 8, 2023: Soft Robotics
https://read.qxmd.com/read/37141689/the-influence-of-induced-gait-asymmetry-on-joint-reaction-forces
#25
JOURNAL ARTICLE
Emily M McCain, Morgan J Dalman, Matthew E Berno, Theresa L Libera, Michael D Lewek, Gregory S Sawicki, Katherine R Saul
Chronic injury- or disease-induced joint impairments result in asymmetric gait deviations that may precipitate changes in joint loading associated with pain and osteoarthritis. Understanding the impact of gait deviations on joint reaction forces (JRFs) is challenging because of concurrent neurological and/or anatomical changes and because measuring JRFs requires medically invasive instrumented implants. Instead, we investigated the impact of joint motion limitations and induced asymmetry on JRFs by simulating data recorded as 8 unimpaired participants walked with bracing to unilaterally and bilaterally restrict ankle, knee, and simultaneous ankle + knee motion...
May 2023: Journal of Biomechanics
https://read.qxmd.com/read/37103335/axial-compressive-loading-attenuates-early-osteoarthritis-by-reducing-subchondral-bone-remodeling
#26
JOURNAL ARTICLE
Jianqun Wu, Yonghao Pan, Yangyi Yu, Qihao Yang, Qisong Liu, Yang Liu, Jinhao Zhong, Linhao Fu, Haotian Cai, Chao Liu, Guangheng Li
BACKGROUND: Mechanical loading and alendronate (ALN) can be used as noninvasive physical therapy methods for osteoarthritis (OA). However, the timing and efficacy for treatments are unknown. PURPOSE: To determine whether the timing of mechanical loading and ALN influences the pathobiological changes of OA. STUDY DESIGN: Controlled laboratory study. METHODS: Mice with OA induced by anterior cruciate ligament transection were subjected to early (1-3 weeks) or late (5-7 weeks) axial compressive dynamic load or intraperitoneal injection of ALN...
April 27, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/37030895/tricompartment-offloader-knee-brace-reduces-sagittal-plane-knee-moments-quadriceps-muscle-activity-and-pain-during-chair-rise-and-lower-in-individuals-with-knee-osteoarthritis
#27
JOURNAL ARTICLE
Emily L Bishop, Gregor Kuntze, Marcia L Clark, Janet L Ronsky
The Levitation tricompartment offloader (TCO) knee brace provides an assistive knee extension moment with the goal of unloading all three compartments of the knee and reducing pain for individuals with multicompartment knee osteoarthritis (OA). This study aimed to determine the effect of the TCO brace on sagittal plane knee moments, quadriceps muscle activity, and pain in individuals with multicompartment knee OA. Lower limb kinematics, kinetics, and electromyography data were collected during a chair rise and lower to determine differences between bracing conditions...
April 2023: Medical Engineering & Physics
https://read.qxmd.com/read/36922362/tricompartment-offloader-knee-brace-reduces-contact-forces-in-adults-with-multicompartment-knee-osteoarthritis
#28
JOURNAL ARTICLE
Emily L Bishop, Chris A McGibbon, Gregor Kuntze, Marcia L Clark, Chris Cowper-Smith, Janet L Ronsky
The Levitation Tricompartment Offloader (TCO) brace is designed to unload all three knee compartments by reducing compressive forces caused by muscle contraction. This study aimed to determine the effect of the TCO on knee contact forces and quadriceps muscle activity in individuals with knee osteoarthritis. Lower limb kinematics, kinetics, and electromyography data were collected during a chair rise-and-lower. A 3D inverse dynamics model of the lower-leg and foot was used with a sagittal plane knee model to compute knee joint forces...
March 15, 2023: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://read.qxmd.com/read/36898768/do-biomechanical-foot-based-interventions-reduce-patellofemoral-joint-loads-in-adults-with-and-without-patellofemoral-pain-or-osteoarthritis-a-systematic-review-and-meta-analysis
#29
JOURNAL ARTICLE
Samual A Kayll, Rana S Hinman, Adam L Bryant, Kim L Bennell, Patrick L Rowe, Kade L Paterson
OBJECTIVE: To evaluate the effects of biomechanical foot-based interventions (eg, footwear, insoles, taping and bracing on the foot) on patellofemoral loads during walking, running or walking and running combined in adults with and without patellofemoral pain or osteoarthritis. DESIGN: Systematic review with meta-analysis. DATA SOURCES: MEDLINE, CINAHL, SPORTdiscus, Embase and CENTRAL. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: English-language studies that assessed effects of biomechanical foot-based interventions on peak patellofemoral joint loads, quantified by patellofemoral joint pressure, reaction force or knee flexion moment during gait, in people with or without patellofemoral pain or osteoarthritis...
March 10, 2023: British Journal of Sports Medicine
https://read.qxmd.com/read/36793587/total-knee-arthroplasty-without-reduction-of-the-patella-for-genu-valgum-with-permanent-dislocation-of-the-patella-a-case-of-nail-patella-syndrome
#30
Teruya Ishibashi, Tetsuya Tomita, Masashi Tamaki, Toshitaka Fujito, Seiji Okada
A 75-year-old woman presented with progressive bilateral knee pain and severe genu valgum. She could walk utilizing braces and T-canes, with a 20° flexion contracture and 150° of maximum flexion. During knee flexion, the patella laterally dislocated. Radiographs demonstrated severe bilateral lateral tibiofemoral osteoarthritis and patellar dislocation. She underwent posterior-stabilized total knee arthroplasty without patellar reduction. After implantation, the knee range of motion was 0°-120°...
April 2023: Arthroplasty Today
https://read.qxmd.com/read/36755554/current-concepts-in-the-treatment-of-first-time-patella-dislocation-in-children-and-adolescents
#31
REVIEW
Jaakko Sinikumpu, Nicolas Nicolaou
BACKGROUND: Lateral dislocation of the patella is a common injury in children. It can occur in previously healthy and anatomically normal knees, but there are several abnormalities that predispose to patellar instability. Magnetic resonance imaging is an essential part of assessing for associated injuries and risk of further instability. Treatment aims to prevent redislocation, residual instability, osteoarthritis, and allow return to previous activities. The purpose of this review was to assess evidence for management of first-time patella dislocation in children and adolescents...
February 2023: Journal of Children's Orthopaedics
https://read.qxmd.com/read/36747530/kinematic-study-of-the-overall-unloading-brace-for-the-knee
#32
JOURNAL ARTICLE
Luqi Guo, Ye Luo, Lan Zhou, Ziyan Zhang, Yaqi Zhao, Jixin Li, Danni Wu, Shaobai Wang
OBJECTIVE: Traditional knee braces unloading forces primarily from a single compartment are insufficient for patients with knee injuries or knee osteoarthritis (KOA) involving multiple compartments. We investigated how knee kinematics were altered by an overall unloading brace (OUB) designed to unload both the medial and lateral tibiofemoral (TF) compartments simultaneously during dynamic movement. METHODS: Gait analysis was performed on 32 adults with normal knee alignment and no history of knee disease...
February 2023: Heliyon
https://read.qxmd.com/read/36691685/stretching-bracing-and-devices-for-the-treatment-of-osteoarthritis-associated-joint-contractures-in-nonoperated-joints-a-systematic-review-and-meta-analysis
#33
REVIEW
T Mark Campbell, Marie Westby, Elizabeth Tanjong Ghogomu, John Fournier, Bahareh Bahram Ghaedi, Vivian Welch
CONTEXT: Many patients with osteoarthritis (OA) develop range of motion (ROM) restrictions in their affected joints (contractures), associated with worse outcomes and rising healthcare costs. Effective treatment guidance for lost ROM in OA-affected joints is lacking. OBJECTIVE: A systematic review and meta-analysis evaluating the effectiveness of stretching and/or bracing protocols on native (nonoperated) joint ROM in the setting of radiographically diagnosed OA...
January 23, 2023: Sports Health
https://read.qxmd.com/read/36514101/the-effect-of-biomechanical-foot-based-interventions-on-patellofemoral-joint-loads-during-gait-in-adults-with-and-without-patellofemoral-pain-or-osteoarthritis-a-systematic-review-protocol
#34
JOURNAL ARTICLE
Samual A Kayll, Rana S Hinman, Kim L Bennell, Adam L Bryant, Patrick L Rowe, Kade L Paterson
BACKGROUND: Patellofemoral pain is highly prevalent across the lifespan, and a significant proportion of people report unfavourable outcomes years after diagnosis. Previous research has implicated patellofemoral joint loading during gait in patellofemoral pain and its sequelae, patellofemoral osteoarthritis. Biomechanical foot-based interventions (e.g., footwear, insoles, orthotics, taping or bracing) can alter patellofemoral joint loads by reducing motions at the foot that increase compression between the patella and underlying femur via coupling mechanisms, making them a promising treatment option...
December 13, 2022: Journal of Foot and Ankle Research
https://read.qxmd.com/read/36499280/intraarticular-injections-of-mesenchymal-stem-cells-in-knee-osteoarthritis-a-review-of-their-current-molecular-mechanisms-of-action-and-their-efficacy
#35
REVIEW
Emérito Carlos Rodríguez-Merchán
More than 10% of the world's population suffers from osteoarthritis (OA) of the knee, with a lifetime risk of 45%. Current treatments for knee OA pain are as follows: weight control; oral pharmacological treatment (non-steroidal anti-inflammatory drugs, paracetamol, opioids); mechanical aids (crutches, walkers, braces, orthotics); therapeutic physical exercise; and intraarticular injections of corticosteroids, hyaluronic acid, and platelet-rich plasma (PRP). The problem is that such treatments usually relieve joint pain for only a short period of time...
November 29, 2022: International Journal of Molecular Sciences
https://read.qxmd.com/read/36484811/no-evidence-exists-on-outcomes-of-non-operative-management-in-patients-with-femoroacetabular-impingement-and-concomitant-t%C3%A3-nnis-grade-2-or-more-hip-osteoarthritis-a-scoping-review
#36
REVIEW
Octavian Andronic, Leica Sarah Claydon-Mueller, Rachael Cubberley, Daniel Karczewski, Victor Lu, Vikas Khanduja
PURPOSE: The purpose of this scoping review was to assess the outcomes of all the non-operative modalities of management for femoroacetabular impingement (FAI) and concomitant osteoarthritis (OA) Tönnis Grade 2 or more. METHODS: A systematic search of PubMed was performed from inception to December 1st 2021 for literature on outcomes of non-operative management strategies for young adults with symptomatic FAI using the PRISMA Extension for Scoping Reviews guidelines...
December 9, 2022: Knee Surgery, Sports Traumatology, Arthroscopy
https://read.qxmd.com/read/36466350/knee-adduction-moment-decomposition-toward-better-clinical-decision-making
#37
JOURNAL ARTICLE
Mina Baniasad, Robin Martin, Xavier Crevoisier, Claude Pichonnaz, Fabio Becce, Kamiar Aminian
Knee adduction moment (KAM) is correlated with the progression of medial knee osteoarthritis (OA). Although a generic gait modification can reduce the KAM in some patients, it may have a reverse effect on other patients. We proposed the "decomposed ground reaction vector" (dGRV) model to 1) distinguish between the components of the KAM and their contribution to the first and second peaks and KAM impulse and 2) examine how medial knee OA, gait speed, and a brace influence these components. Using inverse dynamics as the reference, we calculated the KAM of 12 healthy participants and 12 patients with varus deformity and medial knee OA walking with/without a brace and at three speeds...
2022: Frontiers in Bioengineering and Biotechnology
https://read.qxmd.com/read/36403395/unloader-bracing-in-osteoarthritis-of-the-knee-is-there-a-direct-effect-on-the-damaged-cartilage
#38
JOURNAL ARTICLE
S Beck, F Dittrich, A Busch, M Jäger, J M Theysohn, A Lazik-Palm, J Haubold
BACKGROUND: Unloading knee braces represent a conservative treatment option for non-pharmalogical management of unicompartmental osteoarthritis of the knee. Though there is consensus on the clinical effectiveness of unloading, the effect mechanism of bracing remains part of a debate. Our study was designed to assess the effect of unloader bracing on damaged cartilage via MRI cartilage mappings. METHODS: Fourteen patients (7 female, 7 male, mean age 43.1 ± 9.4 years) with unicompartmental cartilage wear in knees with varus or valgus malalignment were enrolled...
November 17, 2022: Knee
https://read.qxmd.com/read/36356850/biological-internal-bracing-with-remnant-repair-for-subacute-acl-femoral-avulsions
#39
Dinshaw N Pardiwala, Dave Lee
Arthroscopic anterior cruciate ligament (ACL) reconstruction predictably restores sagittal plane knee stability, however its inability to replicate a complex fan-shaped ligament of multiple fascicles, along with deficient restoration of normal rotational knee kinematics, results in failure to reverse a high risk for premature post-traumatic osteoarthritis. Although arthroscopic repair for acute ACL femoral avulsions is proposed to counter these deficiencies, the risk of early failure following non-healing, along with lack of convincing evidence of efficacy has impeded its universal acceptance...
November 7, 2022: Journal of ISAKOS
https://read.qxmd.com/read/36239381/a-developed-multibody-knee-model-for-unloading-knee-with-cartilage-penetration-depth-control
#40
JOURNAL ARTICLE
Amirhosein Javanfar, Mahdi Bamdad
Unloader knee braces could relieve pain by decreasing the medial knee loading. Particularly for knee osteoarthritis (KOA) patients, this study investigates the relevance of the knee model after identifying the most influential parameter. Since KOA causes the cartilage in a joint to lose its elasticity and thickness, the lack of normal bone-to-bone separation can be painful. We believe that cartilage penetration depth control is an impactful strategy in this research. Moreover, the knee contact force in KOA is fewer than in healthy knees, confirming that the contact force control cannot be a straight factor...
October 2022: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
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