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medial tibial stress

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https://www.readbyqxmd.com/read/29871538/detection-of-early-osteoarthritis-in-canine-knee-joints-3-weeks-post-acl-transection-by-microscopic-mri-and-biomechanical-measurement
#1
Daniel Mittelstaedt, David Kahn, Yang Xia
PURPOSE: To detect early osteoarthritis (OA) in a canine Pond-Nuki model 3 weeks after anterior cruciate ligament (ACL) transection surgery, both topographically over the medial tibial surface and depth-dependently over the cartilage thickness. METHODS: Four topographical locations on each OA and contralateral medial tibia were imaged individually by magnetic resonance imaging (MRI) at 17.6 µm transverse resolution. The quantitative MRI T2 relaxation data were correlated with the biomechanical stress-relaxation measurements from adjacent locations...
May 2018: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29787473/factors-contributing-to-medial-tibial-stress-syndrome-in-runners-a-prospective-study
#2
James Becker, Mimi Nakajima, Will F W Wu
PURPOSE: Medial tibial stress syndrome (MTSS) is one of the most common overuse injuries sustained by runners. Despite the prevalence of this injury, risk factors for developing MTSS remain unclear. The purpose of this study was to prospectively evaluate differences in passive range of motion, muscle strength, plantar pressure distributions, and running kinematics between runners who developed MTSS and those who did not. METHODS: 24 NCAA Division 1 cross country runners participated in this study...
May 22, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29775801/narrative-review-on-the-effect-of-shockwave-treatment-for-management-of-upper-and-lower-extremity-musculoskeletal-conditions
#3
REVIEW
Julia M Reilly, Eric Bluman, Adam S Tenforde
Extracorporeal shockwave therapy (ESWT) is a technology that was first introduced into clinical practice in 1982 for urological conditions. Subsequent clinical applications in musculoskeletal conditions have been described in treatment of plantar fasciopathy, both upper and lower extremity tendinopathies, greater trochanteric pain syndrome, medial tibial stress syndrome, management of non-union fractures, and joint disease including avascular necrosis (AVN). The aim of this review is to summarize the current understanding of treatment of musculoskeletal conditions with ESWT, accounting for differences in treatment protocol and energy levels...
May 15, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29770342/fibular-collateral-ligament-varus-stress-radiographic-analysis-using-3-different-clinical-techniques
#4
Patrick W Kane, Mark E Cinque, Gilbert Moatshe, Jorge Chahla, Nicholas N DePhillipo, Matthew T Provencher, Robert F LaPrade
Background: Fibular collateral ligament (FCL) tears are challenging to diagnose. Left untreated, FCL tears lead to residual ligament instability and increased joint loading on the medial compartment of the knee. Additionally, when a concomitant anterior cruciate ligament (ACL) reconstruction is performed, increased forces on reconstruction grafts occur, which may lead to premature graft failure. Stress radiographs constitute a reliable and validated technique for the objective assessment of a complete grade III FCL tear...
May 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29705172/the-effect-of-arch-drop-on-tibial-rotation-and-tibiofemoral-contact-stress-in-postpartum-women
#5
Kaitlin Rabe, Neil A Segal, Saphia Waheed, Donald D Anderson
BACKGROUND: Women are at greater risk for knee osteoarthritis and numerous other lower limb musculoskeletal disorders. Arch drop during pregnancy and the resultant excessive pronation of the feet may alter loading patterns and contribute to the greater prevalence of knee osteoarthritis in women. OBJECTIVE: To determine the effect of arch drop on tibial rotation and tibiofemoral contact stress. DESIGN: Interventional study with internal control...
April 26, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29685499/how-does-the-inclination-of-the-tibial-component-matter-a-three-dimensional-finite-element-analysis-of-medial-mobile-bearing-unicompartmental-arthroplasty
#6
Xuesong Dai, Jinghua Fang, Lifeng Jiang, Yan Xiong, Miaofeng Zhang, Sunan Zhu
BACKGROUND: Medial unicompartmental knee arthroplasty (UKA) using Oxford mobile-bearing prosthesis is performed in the treatment of medial compartmental arthritis of the knee. However, little is known about the stress distributions for mobile-bearing UKA on the medial tibial plateau. METHODS: In this study, the stresses on the coronal plane were calculated in a three-dimensional model of the proximal tibia. The features of the stress distribution were investigated when the tibial tray was placed in 15°, 10°, six degrees, and three degrees varus, neutral (0°), and in three degrees, six degrees, 10°, and 15° valgus on the coronal plane of the medial plateau...
June 2018: Knee
https://www.readbyqxmd.com/read/29683374/finite-element-analysis-of-the-effect-of-high-tibial-osteotomy-correction-angle-on-articular-cartilage-loading
#7
Zahra Trad, Abdelwahed Barkaoui, Moez Chafra, João Manuel Rs Tavares
Osteoarthritis is a globally common disease that imposes a considerable ongoing health and economic burden on the socioeconomic system. As more and more biomechanical factors have been explored, malalignment of the lower limb has been found to influence the load distribution across the articular surface of the knee joint substantially. In this work, a three-dimensional finite element analysis was carried out to investigate the effect of varying the high tibial osteotomy correction angle on the stress distribution in both compartments of the human knee joint...
June 2018: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/29682282/a-pilot-hole-does-not-reduce-the-strains-or-risk-of-fracture-to-the-lateral-cortex-during-and-following-a-medial-opening-wedge-high-tibial-osteotomy-in-cadaveric-specimens
#8
K Bujnowski, A Getgood, K Leitch, J Farr, C Dunning, T A Burkhart
Aim: It has been suggested that the use of a pilot-hole may reduce the risk of fracture to the lateral cortex. Therefore the purpose of this study was to determine the effect of a pilot hole on the strains and occurrence of fractures at the lateral cortex during the opening of a high tibial osteotomy (HTO) and post-surgery loading. Materials and Methods: A total of 14 cadaveric tibias were randomized to either a pilot hole (n = 7) or a no-hole (n = 7) condition...
February 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29671490/common-running-injuries-evaluation-and-management
#9
Michael J Arnold, Aaron L Moody
Running is a common form of exercise but predisposes athletes to several running-related injuries. Most running injuries are due to overuse and respond to conservative treatment. Tendinopathies in the patellar, Achilles, and hamstring tendons are common, and are primarily treated with eccentric exercise. Iliotibial band syndrome and patellofemoral pain syndrome are less common than patellar tendinopathy and are treated by strengthening exercises for the core and legs in addition to flexibility exercises. Acute hamstring strains and medial tibial stress syndrome require a period of relative rest, followed by stretching and graded return to activity...
April 15, 2018: American Family Physician
https://www.readbyqxmd.com/read/29667926/proximal-tibia-stress-fracture-with-osteoarthritis-of-knee-radiological-and-functional-analysis-of-one-stage-tka-with-long-stem
#10
Dhanasekaran Soundarrajan, Natesan Rajkumar, Palanisamy Dhanasekararaja, Shanmuganathan Rajasekaran
INTRODUCTION: Proximal tibia stress fractures with knee osteoarthritis pose a challenging situation. We evaluated the radiological and functional outcome of one-stage total knee arthroplasty (TKA) and long stem for patients with varied grades of knee arthritis and proximal tibia stress fractures.  Methods: We analysed 20 patients from April 2012 to March 2017 with proximal tibia stress fractures associated with knee osteoarthritis of varied grades. Out of 20 patients, five were acute fresh fractures...
2018: SICOT-J
https://www.readbyqxmd.com/read/29662776/three-dimensional-morphometric-properties-of-rod-and-plate-like-trabeculae-in-adolescent-cancellous-bone
#11
Ming Ding, Xiaozhe Lin, Wenge Liu
Background/Objective: Despite many researches have been carried out on the three-dimensional microarchitecture of cancellous bone, the morphometric properties of rod and plate trabeculae in adolescent cancellous bone have not yet been investigated. This study aimed to investigate three-dimensional morphometric properties of rod- and plate-like trabeculae in normal adolescent cancellous bone, and to compare them with adult cancellous bones to reveal morphometric changes from adolescence to adult life to obtain more insight into the subchondral bone adaptations during development and growth...
January 2018: Journal of Orthopaedic Translation
https://www.readbyqxmd.com/read/29626145/risk-factors-for-lower-limb-injuries-during-initial-naval-training-a-prospective-study
#12
Daniel R Bonanno, S E Munteanu, G S Murley, K B Landorf, H B Menz
INTRODUCTION: This study aimed to identify risk factors associated with the development of common lower limb injuries during initial defence training in naval recruits who were enrolled in a randomised trial. METHODS: Three-hundred and six naval recruits were randomly allocated flat insoles (n=153) or foot orthoses (n=153) while undertaking 11 weeks of initial training. Participant characteristics (including anthropometrics, general health, physical activity, fitness and foot characteristics) were collected at the baseline assessment and injuries were documented prospectively...
April 6, 2018: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/29623377/the-increase-in-posterior-tibial-slope-provides-a-positive-biomechanical-effect-in-posterior-stabilized-total-knee-arthroplasty
#13
Kyoung-Tak Kang, Sae Kwang Kwon, Juhyun Son, Oh-Ryong Kwon, Jun-Sang Lee, Yong-Gon Koh
PURPOSE: This study aims to clarify the influence of the posterior tibial slope (PTS) on knee joint biomechanics after posterior-stabilized (PS) total knee arthroplasty (TKA) using a computer simulation. METHODS: A validated TKA computational model was used to evaluate and quantify the effects of an increased PTS. In order to conduct a squat simulation, models with a - 3° to 15° PTS using increments of 3° were developed. Forces on the quadriceps and collateral ligament, a tibial posterior translation, contact point on a polyethylene (PE) insert, and contact stress on the patellofemoral (PF) joint and post in a PE insert were compared...
April 5, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29590455/estimates-of-tibial-shock-magnitude-in-men-and-women-at-the-start-and-end-of-a-military-drill-training-program
#14
Hannah M Rice, Samantha C Saunders, Stephen J McGuire, Thomas J O'Leary, Rachel M Izard
Introduction: Foot drill is a key component of military training and is characterized by frequent heel stamping, likely resulting in high tibial shock magnitudes. Higher tibial shock during running has previously been associated with risk of lower limb stress fractures, which are prevalent among military populations. Quantification of tibial shock during drill training is, therefore, warranted. This study aimed to provide estimates of tibial shock during military drill in British Army Basic training...
March 26, 2018: Military Medicine
https://www.readbyqxmd.com/read/29574454/medial-tibial-stress-syndrome-diagnosis-treatment-and-outcome-assessment-phd-academy-award
#15
Marinus Winters
No abstract text is available yet for this article.
March 24, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29546620/role-of-an-anatomically-contoured-plate-and-metal-block-for-balanced-stability-between-the-implant-and-lateral-hinge-in-open-wedge-high-tibial-osteotomy
#16
Young Woong Jang, DoHyung Lim, Hansol Seo, Myung Chul Lee, O-Sung Lee, Yong Seuk Lee
INTRODUCTION: Open-wedge high tibial osteotomy (OWHTO) is a well-established surgical option for medial compartment osteoarthritis of the varus knee. The initial strength of the fixation plate is critical for successful correction maintenance and healing of the osteotomy site. This study was conducted to verify if a newly designed anatomical plate (LCfit) improves the stability of both the medial implant and lateral hinge area, as well as to evaluate how the metal block contributes to both medial and lateral stability...
March 15, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29536687/-analysis-of-the-characteristics-and-clinical-diagnosis-and-treatment-of-avulsion-fracture-of-the-lateral-edge-of-tibial-plateau
#17
Jia-Ping Pan, Xu-Can Wang, Ming-Hong Huang
OBJECTIVE: To investigate the characteristics and clinical treatment of avulsion fracture of the lateral edge of tibial plateau(segond fracture) in knee joint injuries. METHODS: From January 2011 and December 2015, 29 patients with Segond fracture were treated with minimally invasive arthroscopy technology in intra-articular injuries combined with double anchor nail fixation in avulsion fracture of the lateral edge of tibial plateau, including 17 males and 12 females with an average age of 41 years old ranging from 27 to 62 years old...
February 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29496686/chronic-osteomyelitis-of-the-tibia-in-a-runner-catastrophic-consequences-of-shin-splints
#18
Yunes Nadim Hammad, Abigail Johnson, Alan Norrish
Medial tibial stress syndrome and chronic osteomyelitis are conditions that are traditionally thought to affect very different patient groups. We present a case of shin splints in a recreational long-distance runner, complicated by chronic osteomyelitis of the tibia. This is a unique case in which the microtrauma resulting from shin splints was implicated as an entry point for bacterial infection into the bone. Clinical evaluation and bone biopsy culture results indicated haematogenous spread of bacteria originating from the oral cavity...
March 1, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29449003/upper-partial-fibulectomy-improves-knee-biomechanics-and-function-and-decreases-knee-pain-of-osteoarthritis-a-pilot-and-biomechanical-study
#19
Yong Nie, Jun Ma, ZeYu Huang, Bin Xu, Shuo Tang, Bin Shen, Virginia Byers Kraus, FuXing Pei
To investigate the change in clinical outcomes and biomechanical properties of the knee in response to upper partial fibulectomy. Sixteen patients with medial compartment knee osteoarthritis (KOA) underwent upper partial fibulectomy. Visual analog scale (VAS) pain, the hospital for special surgery knee score (HSS), hip-knee-ankle (HKA) angle (measured in the frontal plane), and flexion/extension range of motion of the knee were assessed before and up to 6 months after surgery. Patients were evaluated for gait parameters and overall peak knee adduction moment (KAM)...
April 11, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29401510/physiological-joint-line-total-knee-arthroplasty-designs-are-especially-sensitive-to-rotational-placement-a-finite-element-analysis
#20
Philippe Moewis, Sara Checa, Ines Kutzner, Hagen Hommel, Georg N Duda
Mechanical and kinematical aligning techniques are the usual positioning methods during total knee arthroplasty. However, alteration of the physiological joint line and unbalanced medio-lateral load distribution are considered disadvantages in the mechanical and kinematical techniques, respectively. The aim of this study was to analyse the influence of the joint line on the strain and stress distributions in an implanted knee and their sensitivity to rotational mal-alignment. Finite element calculations were conducted to analyse the stresses in the PE-Inlay and the mechanical strains at the bone side of the tibia component-tibia bone interface during normal positioning of the components and internal and external mal-rotation of the tibial component...
2018: PloS One
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