نتایج جستجو برای: lateral patellofemoral angle lpfa

تعداد نتایج: 252570  

Journal: :The Journal of the American Academy of Orthopaedic Surgeons 2014
Vicente Sanchis-Alfonso

The standard surgical approach for chronic lateral patellar instability with at least two documented patellar dislocations is to stabilize the patella by using an anatomic medial patellofemoral ligament reconstruction with a mini-open technique and a graft that is stronger than the native ligament to compensate for the uncorrected predisposing factors underlying patellar instability. Even thoug...

Journal: :The American journal of sports medicine 2011
Saikat Pal Christine E Draper Michael Fredericson Garry E Gold Scott L Delp Gary S Beaupre Thor F Besier

BACKGROUND Delayed onset of vastus medialis (VM) activity compared with vastus lateralis activity is a reported cause for patellofemoral pain. The delayed onset of VM activity in patellofemoral pain patients likely causes an imbalance in muscle forces and lateral maltracking of the patella; however, evidence relating VM activation delay to patellar maltracking is sparse. The aim of this study w...

Journal: :International journal of clinical and experimental medicine 2015
Faik Türkmen Mehmet A Acar Burkay K Kacıra İsmail H Korucu Ömer F Erkoçak Bayram Yolcu Serdar Toker

PURPOSE Q-angle measurement procedure have not been well standardised. There is a lack of consensus about subject position and knee flexion angle while measuring the Q-angle. Morover Q-angle value which obtained in a single position is a static value and gives an information about the subject's current position. The aim of this study is to obtain a more significant parameter which includes diff...

Journal: :Orthopaedics & traumatology, surgery & research : OTSR 2012
D Goutallier

We read the article by Thaunat et al. using the recession edge trochleoplasty (RT) technique which was developed y our team, with interest. However, the indications for RT re different in the two articles. In our paper [1], RT is used n patellofemoral (PF) instability that has been stabilized, ut is still painful. In the article by Thaunat et al. RT is one f several procedures used to correct p...

Journal: :Orthopedics 2011
Keith R Berend Adolph V Lombardi Michael J Morris Jason M Hurst Joseph J Kavolus

One contested contraindication to medial unicompartmental knee arthroplasty (UKA) has been status of the patellofemoral joint. Surgeons have avoided UKA when the patellofemoral joint has radiographic evidence of arthritic changes. However, recent studies advocate ignoring patellofemoral joint status when considering UKA. The purpose of this study was to compare the failure rate of mobile-bearin...

Journal: :The Journal of bone and joint surgery. British volume 2007
D J Beard H Pandit H S Gill D Hollinghurst C A F Dodd D W Murray

Patellofemoral joint degeneration is often considered a contraindication to medial unicompartmental knee replacement. We examined the validity of this preconception using information gathered prospectively on the intra-operative status of the patellofemoral joint in 824 knees in 793 consecutive patients who underwent Oxford unicondylar knee replacement for anteromedial osteoarthritis. All opera...

Journal: :Galen Medical Journal 2022

Background: Patellofemoral Pain Syndrome (PFPS) is a common anterior knee compartment pain etiology. It has been aimed to assess the ultrasonographic findings of patellofemoral joint in patients with PFPS versus healthy individuals. Materials and Methods: The current case-control investigation was performed on 30 cases suffering from individuals Isfahan during 2020-21. All underwent ultrasonogr...

2016
Tae Won Kim Byung Kag Kim Dong Whan Kim Jae Ang Sim Beom Koo Lee Yong Seuk Lee

Purpose The purpose of this study was to evaluate compartmental changes using combined single-photon emission computerized tomography and conventional computerized tomography (SPECT/CT) after open wedge high tibial osteotomy (OWHTO) for providing clinical guidance for proper correction. Materials and Methods Analysis was performed using SPECT/CT from around 1 year after surgery on 22 patients...

2017
Zhe Du Shichang Chen Mengning Yan Bing Yue You Wang

BACKGROUND The cross-sectional morphology of the prosthetic knee is crucial to understanding patellar motion and quadriceps strength after total knee arthroplasty. However, few comparative evaluations of the cross-sectional morphology of the femoral trochlea have been performed in the native knee and currently available femoral implants, and the relationship between the trochlear anatomy of pro...

In this paper, the laser bending process of a circular tube made of mild steel has been investigated experimentally. For this purpose, the effects of the irradiating length and the number of irradiating passes on the main bending angle of a laser bent tube are studied. In addition, the main defects of the laser tube bending process such as lateral bending angle, ovality and thickness variation ...

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