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https://www.readbyqxmd.com/read/28902756/sacroiliac-joint-dysfunction-in-the-athlete-diagnosis-and-management
#1
Rebecca Peebles, Christopher E Jonas
Sacroiliac joint (SIJ) dysfunction is a common cause of low back pain in the athlete, especially in sports with repetitive, asymmetric loading. Complex anatomy and broad pain referral pattern make diagnosis difficult. Identifying three or more positive physical examination maneuvers for the SIJ improves examination sensitivity and specificity. Imaging is rarely helpful in establishing the diagnosis but is often used to rule out other pathology. Conservative management with activity modification, medication, physical therapy, manipulation and bracing is first line treatment...
September 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28888109/biomechanical-compensations-of-the-trunk-and-lower-extremities-during-stepping-tasks-after-unilateral-transtibial-amputation
#2
Amanda M Murray, Brecca M Gaffney, Bradley S Davidson, Cory L Christiansen
BACKGROUND: Lower extremity movement compensations following transtibial amputation are well-documented and are likely influenced by trunk posture and movement. However, the biomechanical compensations of the trunk and lower extremities, especially during high-demand tasks such as step ascent and descent, remain unclear. METHODS: Kinematic and kinetic data were collected during step ascent and descent tasks for three groups of individuals: diabetic/transtibial amputation, diabetic, and healthy...
August 30, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28828181/peri-talar-re-alignment-osteotomy-for-joint-preservation-in-asymmetrical-ankle-osteoarthritis
#3
REVIEW
Young Yi, Woochun Lee
Various types of re-alignment surgery are used to preserve the ankle joint in cases of intermediate ankle arthritis with partial joint space narrowing.The short-term and mid-term results after re-alignment surgery are promising, with substantial post-operative pain relief and functional improvement that is reflected by high rates of patient satisfaction.In this context, re-alignment surgery can preserve the joint and reduce the pathological load that acts on the affected area.Good clinical and radiological outcomes can be achieved in asymmetrical ankle osteoarthritis by understanding the specific deformities and appropriate indications for different surgical techniques...
July 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28813821/gait-training-assist-system-of-a-lower-limb-prosthetic-visualizing-muscle-activation-pattern-using-a-color-depth-sensor
#4
Kunihiro Ogata, Tomoki Mita, Toshiaki Tsuji, Yoshio Matsumoto
Some unilateral lower-limb amputees load the intact limb more than the prosthetic limb. This can cause chronic pains, fatigue, lumbago, and joint diseases, including knee osteoarthritis. To avoid and counteract these symptoms it is necessary to improve their asymmetric gait. Increasing the function of the hip abductor muscle is important to maintaining symmetrical weight distribution. Therefore, the purpose of this study is to develop a training assist system, which estimates and visualizes an abductor muscle by using a color-depth sensor...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28721093/gout-mimicking-spondyloarthritis-case-report-and-literature-review
#5
Wenji Chen, Yanyan Wang, Yan Li, Zheng Zhao, Lixia Feng, Jian Zhu, Jianglin Zhang, Feng Huang
Gout is clinically characterized by episodes of monoarthritis, which not only typically affects the peripheral joints but also occasionally affect the axial joint, such as the sacroiliac joint (SIJ), and often mimics spondyloarthritis (SpA). Two cases of gout mimicking SpA are presented in the current paper. One patient was a 32-year-old man with a history of asymmetrical oligoarthritis of ankle and metatarsophalangeal joints (MTPJ). He had left gluteal pain for 2 weeks. Computed tomography (CT) and magnetic resonance imaging (MRI) revealed the bone erosion of the left SIJ...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28716466/chronic-low-back-pain-patients-walk-with-locally-altered-spinal-kinematics
#6
Guillaume Christe, François Kade, Brigitte M Jolles, Julien Favre
Various studies have reported alterations of spinal kinematics in patients with chronic low back pain (CLBP) during gait. However, while recent findings stressed the importance of multi-segment analysis, most of prior gait studies modelled the lumbar spine as one segment, when it was not the entire trunk that was considered as a single segment. Therefore, there is a need for comprehensive multi-segment research that could improve our understanding of CLBP pathomechanism and thus possibly contribute to better care for CLBP...
July 26, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28688058/a-retrospective-study-of-joint-infections-in-patients-with-systemic-lupus-erythematosus
#7
Lin Qiao, Dong Xu, Yan Zhao, Xiaofeng Zeng, Fengchun Zhang
The aim of this study was to analyze the clinical characteristics of systemic lupus erythematosus (SLE) patients with joint infections. We retrospectively reviewed the medical records of 11,734 SLE patients admitted to Peking Union Medical College Hospital (PUMCH) from January 1990 to December 2016. Twenty patients who developed joint infections were identified. Subjects without joint infections (designated as control patients) were selected from the pool of SLE patients using a 1:4 systematic sampling method...
July 8, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28670918/novel-double-osteotomy-technique-of-distal-tibia-for-correction-of-asymmetric-varus-osteoarthritic-ankle
#8
Beat Hintermann, Roxa Ruiz, Alexej Barg
BACKGROUND: A most challenging condition for balancing a varus arthritic ankle is the presence of a defect in the medial tibial plafond. After our initial results with a medial tibial plafondplasty did not fulfill our expectations of success, we hypothesized that adding a correcting supramalleolar osteotomy of the distal tibia would move the loading force to the tibiotalar joint more medially and move the center of rotation of the talus more laterally. In this study, we analyzed midterm clinical and radiographic outcomes in patients with double tibial osteotomy...
June 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28585998/correlation-of-the-features-of-the-lumbar-multifidus-muscle-with-facet-joint-osteoarthritis
#9
Bo Yu, Kaibiao Jiang, Xinfeng Li, Jidong Zhang, Zude Liu
Facet joint osteoarthritis is considered a consequence of the aging process; however, there is evidence that it may be associated with degenerative changes of other structures. The goal of this study was to investigate the correlation between lumbar multifidus muscle features and facet joint osteoarthritis. This retrospective study included 160 patients who had acute or chronic low back pain and were diagnosed with facet joint osteoarthritis on computed tomography scan. Morphometric parameters, including cross-sectional area, muscle-fat index, and percentage of bilateral multifidus asymmetry at L3-L4, L4-L5, and L5-S1, were evaluated with T2-weighted magnetic resonance imaging...
June 6, 2017: Orthopedics
https://www.readbyqxmd.com/read/28195607/effects-of-cementing-on-ligament-balance-during-total-knee-arthroplasty
#10
Jimmy Chow, Kevin Wang, Leah Elson, Christopher Anderson, Martin Roche
Complications related to joint imbalance may contribute to some of the most predominant modes of failure in total knee arthroplasty (TKA). These complications include instability, aseptic loosening, asymmetric component wear, and idiopathic pain. Fixation may represent a step that introduces unchecked variability into the procedure and may contribute to the incidence of joint imbalance-related complications. The ability to quantify in vivo loading in the medial and lateral compartments would allow for the ability to confirm balance after fixation and prior to wound closure...
May 1, 2017: Orthopedics
https://www.readbyqxmd.com/read/28169098/knee-joint-moments-during-high-flexion-movements-timing-of-peak-moments-and-the-effect-of-safety-footwear
#11
Helen C Chong, Liana M Tennant, David C Kingston, Stacey M Acker
AIM: (1) Characterize knee joint moments and peak knee flexion moment timing during kneeling transitions, with the intent of identifying high-risk postures. (2) Determine whether safety footwear worn by kneeling workers (construction workers, tile setters, masons, roofers) alters high flexion kneeling mechanics. METHODS: Fifteen males performed high flexion kneeling transitions. Kinetics and kinematics were analyzed for differences in ascent and descent in the lead and trail legs...
February 4, 2017: Knee
https://www.readbyqxmd.com/read/28099107/case-238-spontaneous-pneumothorax-secondary-to-intrapulmonary-necrobiotic-rheumatoid-nodule
#12
Ammar A Chaudhry, Maryam Gul, Abbas A Chaudhry, William Moore
History A 54-year-old white woman with a history of rheumatoid arthritis who was taking glucocorticoids and methotrexate presented to the emergency department in December with worsening shortness of breath and chest heaviness for 1 week. She reported additional symptoms of weakness, headache, and arthralgia primarily involving her bilateral hands, wrist, ankles, and feet. She denied experiencing fevers, syncope or presyncope, focal neurologic deficits, chest pain, nausea, vomiting, unintentional weight loss, or recent trauma...
February 2017: Radiology
https://www.readbyqxmd.com/read/28068837/immediate-effects-of-acupuncture-treatment-on-intra-and-inter-limb-contributions-to-body-support-during-gait-in-patients-with-bilateral-medial-knee-osteoarthritis
#13
Yen-Hung Liu, I-Pin Wei, Ting-Ming Wang, Tung-Wu Lu, Jaung-Geng Lin
Knee osteoarthritis (OA) often leads to altered balance control, joint motion and loading patterns during gait. Acupuncture has been proven to be effective in pain relief but its effects on inter-joint load-sharing for body balance have not been reported. The current study bridged the gap by quantifying the immediate effects of acupuncture on the inter-joint and inter-limb load-sharing in patients with knee OA during level walking in terms of the total support moment (Ms) and the contribution of individual joints to the total support moment...
2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28032224/asymmetric-c7-pedicle-subtraction-osteotomy-for-correction-of-rigid-cervical-coronal-imbalance-secondary-to-post-traumatic-heterotopic-ossification-a-case-report-description-of-a-novel-surgical-technique-and-literature-review
#14
Alexander A Theologis, Kate D Bellevue, Erion Qamirani, Christopher P Ames, Vedat Deviren
PURPOSE: Deformities of the cervical spine are uncommon in the coronal plane. In this report, a unique case of a 31-year-old male with a fixed, 30° left coronal deformity due to heterotopic ossification 3 years status post poly-trauma was treated with an asymmetric C7 pedicle subtraction osteotomy (PSO). METHODS: Case report. RESULTS: Pre-operatively, the patient had a fixed 45-degree left tilt of his neck and radiographs demonstrated a rigid 30° scoliosis, 7 cm coronal imbalance, and 4 cm negative sagittal balance, diffuse bridging bone between the spinous processes and the facet joints of C5 to T1 bilaterally...
May 2017: European Spine Journal
https://www.readbyqxmd.com/read/28027386/paresis-of-the-peroneal-nerve-a-rare-but-severe-long-term-complication-of-polyethylene-wear-in-knee-arthroplasty
#15
Matthias Aurich, Mark Lenz, Norman Best
One of the most important limiting factors in the long-term success of total knee arthroplasty is polyethylene wear. Particles of the polyethylene inserts have been shown to elicit a foreign body response, which produces bone resorption and osteolysis, ultimately leading to loosening and component failure. The authors report on a case of an elderly patient who underwent a total knee arthroplasty almost 2 decades ago. Clinical and radiological checkups of the knee had not been performed recently. He now presented with a painful and swollen knee, recurrent joint effusion and swelling of the lower leg, and paresis of the peroneal nerve...
May 1, 2017: Orthopedics
https://www.readbyqxmd.com/read/27998301/acute-polyarthritis-in-a-young-patient-caused-by-meningococcal-and-parvovirus-b19-infections-a-case-report-and-review-of-the-literature
#16
REVIEW
Virginie Lavoipierre, Anna Dellyes, Camille Aubry, Christine Zandotti, Pierre Lafforgue, Philippe Parola, Jean-Christophe Lagier
BACKGROUND: Meningococcal infection is a multifaceted disease including acute polyarthritis. This presentation should be known by clinicians in order to prevent delay in treatment. We report what we believe to be the first case of an association of parvovirus B19 and meningococcal polyarthritis in a young adult. CASE PRESENTATION: A 19-year-old Caucasian woman presented to our hospital with fever, intense leg pain, and a transient rash. A physical examination showed asymmetric polyarthritis and no neurological abnormalities...
December 20, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27898852/horse-species-symposium-biomechanics-of-the-exercising-horse
#17
Hilary M Clayton
In spite of having large height and body mass, horses are cursorial animals with an extensive gait repertoire and considerable athletic abilities. The limbs have evolved so that the heavy musculature is confined to the proximal limbs while the distal limbs are light in weight with a single functional digit and long, lightweight tendons to move and support the distal joints. These adaptations reduce the moment of inertia and decrease the energy expended to protract and retract the limbs during locomotion. There is a division of labor between the forelimbs, which have a pillar-like construction specialized for weight bearing, and the hind limbs, in which the more angulated joints provide leverage for the generation of propulsion...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27882408/-evidence-based-recommendations-on-diagnostics-and-therapy-of-axial-spondyloarthritis-s3-guidelines-of-the-german-society-of-rheumatology-dgrh-in-cooperation-with-the-association-of-the-scientific-medical-societies-in-germany-awmf
#18
REVIEW
U Kiltz, M Rudwaleit, J Sieper, J Braun
The clinical course of axial spondyloarthritis (SpA) is variable and characterized by chronic back pain and extraspinal manifestations, such as asymmetrical arthritis, dactylitis and enthesitis. Extra-articular manifestations in the eyes (anterior uveitis), skin (psoriasis) and intestines (chronic inflammatory bowel disease) are also frequent manifestations in patients with SpA. Due to the heterogeneity of disease manifestations and the partial concentration on structural alterations in the sacroiliac joints visible in X‑ray images, the diagnosis is often delayed for many years...
March 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/27817235/-psoriasis-and-oxidative-stress
#19
REVIEW
Iván Péter, Anna Jagicza, Zénó Ajtay, István Kiss, Balázs Németh
Psoriasis is among the most common dermatological diseases worldwide. Its significance is emphasized by adverse effects on quality of life, caused by chronic pain, physical and psychical disability due to psoriatic plaques. Besides the development of psoriatic arthritis, which often causes permanent joint damage, former studies revealed an increased risk of inflammatory bowel disease, cardiovascular disease and certain types of cancer. Genetic predisposition and oxidative stress caused by exogenous and endogenous factors can contribute to abnormal differentiation and hyperproliferation of keratinocytes, accordingly the development and maintenance of psoriasis...
November 2016: Orvosi Hetilap
https://www.readbyqxmd.com/read/27709035/opening-wedge-proximal-tibial-osteotomy
#20
Michael O'Malley, Patrick J Reardon, Ayoosh Pareek, Aaron Krych, Michael J Stuart
Varus knee malalignment caused by medial compartment arthritis results in progressive asymmetric wear of the tibiofemoral joint. This wear can cause progressively painful gonarthrosis. Surgical methods to address varus knee malalignment include lateral closing-wedge proximal tibial osteotomy, medial opening-wedge osteotomy, and arthroplasty. Medial opening-wedge proximal tibial osteotomy is an effective procedure for restoring proper coronal alignment and reducing knee pain. In this technical note, we present a reproducible technique for proximal tibial osteotomy...
August 2016: Arthroscopy Techniques
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