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Hyperextensibility

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https://www.readbyqxmd.com/read/28918660/factors-associated-with-radiographic-trapeziometacarpal-arthrosis-in-patients-not-seeking-care-for-this-condition
#1
Suzanne C Wilkens, Matthew A Tarabochia, David Ring, Neal C Chen
BACKGROUND: A common adage among hand surgeons is that the symptoms of trapeziometacarpal (TMC) arthrosis vary among patients independent of the radiographic severity. We studied factors associated with radiographic severity of TMC arthrosis, thumb pain, thumb-specific disability, pinch strength, and grip strength in patients not seeking care for TMC arthrosis. Our primary null hypothesis was that there are no factors independently associated with radiographic severity of TMC arthrosis according to the Eaton classification among patients not seeking care for TMC arthrosis...
September 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28906340/contemporary-approach-to-joint-hypermobility-and-related-disorders
#2
Marco Castori, Alan Hakim
PURPOSE OF REVIEW: Joint hypermobility is a common, although largely ignored physical sign. Joint hypermobility is often asymptomatic but may be a feature of an underlying genetic disorder with systemic manifestations. The present article presents a comprehensive approach to considering joint hypermobility and clinically related issues in children and adults. RECENT FINDINGS: Ehlers-Danlos syndrome (EDS) is an umbrella term for various Mendelian connective tissue disorders sharing joint hypermobility, skin hyperextensibility, and tissue fragility...
September 12, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28888570/revision-of-the-failed-thumb-carpometacarpal-arthroplasty
#3
Loukia K Papatheodorou, Jonathan D Winston, Deidre L Bielicka, Benjamin J Rogozinski, Gary M Lourie, Dean G Sotereanos
PURPOSE: To evaluate the outcome of revision surgery for failed thumb carpometacarpal (CMC) arthroplasty. METHODS: We retrospectively analyzed 32 patients with failed thumb CMC arthroplasty. The primary reason for revision was pain caused by metacarpal subsidence. Revision surgery included soft tissue interposition and distraction pinning to address the metacarpal subsidence. Additional ligament reconstruction was performed in patients with thumb instability. Eight patients required additional metacarpophalangeal joint fusion for concomitant joint hyperextension...
September 6, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28881529/-results-for-the-treatment-of-fresh-type-thoracolumbar-vertebral-fracture-according-to-the-intraoperative-ct-scan
#4
Y W Li, H J Wang, Y S Wang, W Cui
Objective: To evaluate the value of intraoperative CT scanning in the treatment of fresh thoracolumbar burst fractures. Methods: From January 2008 to January 2015 , 161 patients with thoracolumbar fractures in Department of Orthopedics, Luohe City Central Hospital, were divided into two groups: 79 cases were treatment group which were treated with intraoperative CT scan and decompression mode was determined according to CT scan results during the period from October 2012 to January 2015. 82 patients as the observation group were treated without intraoperative CT scan and direct laminectomy were performed during the period...
September 5, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28873496/-early-active-motion-management-of-volar-plate-disruption-of-the-proximal-interphalangeal-joint-after-finger-hyperextension-injury-extension-block-splinting-versus-buddy-taping
#5
Alexander Lunger, Lukas Lunger, Andrea Bach, Christine Frey, Abdul Rahman Jandali, Julia Sproedt
Background Volar plate disruption of the proximal interphalangeal joint (PIP) is a common hand injury following finger hyperextension. At our institution, patients presenting with disruptions of the palmar plate (Eaton and Littler types I and II) before 2011 were treated with extension block splinting (group A). Since 2011, all patients with Eaton and Littler types I and II have received buddy taping (group B). The aim of this retrospective study was to compare the respective treatment outcomes. Patients and Methods In this retrospective study, we analysed the data of 44 patients visiting our department with volar plate disruption (Eaton and Littler types I and II) from 2009 to 2012...
September 5, 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28856482/hyperextension-injuries-of-the-knee-do-patterns-of-bone-bruising-predict-soft-tissue-injury
#6
A M Ali, J K Pillai, V Gulati, C E R Gibbons, B J Roberton
OBJECTIVE: To establish whether patterns of soft tissue injury following knee hyperextension are associated with post-traumatic 'bone bruise' distribution. MATERIALS AND METHODS: Patients with a knee MRI within one year of hyperextension injury were identified at our institution over a 7 year period. MRIs, plain radiographs and clinical details of these patients were reviewed. RESULTS: Twenty-five patients were identified (median time from injury to MRI = 24 days)...
August 31, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28836281/periodontal-manifestations-of-ehlers-danlos-syndromes-a-systematic-review
#7
Ines Kapferer-Seebacher, Pernilla Lundberg, Franziska Malfait, Johannes Zschocke
AIM: Ehlers-Danlos syndromes (EDS) are a group of inherited connective tissue disorders, characterized by joint hypermobility, skin hyperextensibility, and tissue fragility. Periodontal EDS (pEDS) is a specific EDS subtype caused by heterozygous mutations in complement 1 subunit genes C1R and C1S, with early severe periodontitis as predominant clinical feature. We aimed to systematically assess the spectrum of periodontal abnormalities in all EDS subtypes. MATERIALS AND METHODS: An electronic and manual search was conducted in three databases (Medline, LIVIVO, CENTRAL)...
August 23, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28832295/-a-painful-knee-that-cannot-bend
#8
J Willems, P W van Egmond
A 59-year-old woman was seen at the ER with a painful right knee locked in extension. This was caused by unloaded hyperextension in bed. Interlocking patellofemoral osteophytes and a superior patella dislocation tilted away from the femur were seen on the X-ray, which are both pathognomonic signs of a superior dislocation of the patella.
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28823037/female-sex-is-associated-with-greater-rotatory-knee-laxity-in-collegiate-athletes
#9
Thomas R Pfeiffer, Ajay C Kanakamedala, Elmar Herbst, Kanto Nagai, Conor Murphy, Jeremy M Burnham, Adam Popchak, Richard E Debski, Volker Musahl
PURPOSE/HYPOTHESIS: The purpose of this observational study was to determine which factors, including sex, are associated with increased rotatory knee laxity in collegiate athletes with no history of knee injuries. It was hypothesized that increased rotatory knee laxity, measured by a quantitative pivot shift test, would correlate with female sex, increased anterior translation during the Lachman test, generalized ligamentous laxity, and knee hyperextension. METHODS: Ninety-eight collegiate athletes with a median age of 20 (range 18-25) years with no history of knee injuries were tested...
August 19, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28818085/a-rare-case-of-acute-toxoplasmosis-in-a-stray-dog-due-to-infection-of-t-gondii-clonal-type-i-public-health-concern-in-urban-settings-with-stray-animals
#10
Sergio Migliore, Salvatore La Marca, Cristian Stabile, Vincenzo Di Marco Lo Presti, Maria Vitale
BACKGROUND: Typing of Toxoplasma gondii strains is important in epidemiological surveys, to understand the distribution and virulence of different clones of the parasite among human and animal populations. Stray dogs can be consider sentinel animals for contaminated environments playing an important but probably under- evaluated role in the epidemiology of T. gondii. We reported a rare case of acute toxoplasmosis in a stray dog due to clonal type I infection. The clonal type I, sporadic in Europe, is frequently associated with severe toxoplasmosis in humans and the control of its circulation is particularly relevant for public health...
August 17, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28816877/fractures-in-spinal-ankylosing-disorders-a-narrative-review-of-disease-and-injury-types-treatment-techniques-and-outcomes
#11
Tarush Rustagi, Doniel Drazin, Cumhur Oner, Jonathan York, Gregory D Schroeder, Alexander R Vaccaro, Rod J Oskouian, Jens R Chapman
INTRODUCTION: Spinal ankylosing disorders encompass ankylosing spondylitis (AS), disseminated hyperostosis of the spine, and end-stage spondylosis. All these result in a stiffened and frequently deformed spinal column. This makes the spinal column highly susceptible to severe injuries that are commonly associated with unfavorable outcomes. Improved understanding of the underlying disease processes and clinical comorbidities may alter the poor injury related morbidity and mortality outcomes...
September 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28814004/biomimetic-finger-extension-mechanism-for-soft-wearable-hand-rehabilitation-devices
#12
Dong Hyun Kim, Si-Hwan Heo, Hyung-Soon Park
For the rehabilitation and assistance of the hand functions, wearable devices have been developed, and the interest in tendon driven mechanisms have especially increased since it allows light weight and compact design. The tendon driven hand rehabilitation devices provides grasping force via exo-tendons routed on the dorsal and palmar sides of the hand pulled by remotely located actuators. However, most of the devices were not able to provide natural joint extension sequence of the finger and showed hyperextension of finger joints because the tendons for extension were fixed at the fingertip, concentrating the torque at the distal interphalangeal joint...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28810991/posterior-cruciate-ligament-injuries-associated-with-military-survival-swim-training
#13
Michael S Crowell, John S Mason, Matthew A Posner, Chad A Haley
OBJECTIVES: Posterior cruciate ligament (PCL) injuries are relatively common injuries associated with athletic activities and high-energy trauma. Posterolateral corner (PLC) injuries frequently accompany injury to the PCL. Diagnosis can be challenging and requires a comprehensive history and physical examination. Patients frequently report vague, nonspecific symptoms and the mechanism of injury is often useful in localizing injured structures. Two of the more common mechanisms for PCL injury include a direct blow to the proximal anterior tibia with the knee flexed, as well as a significant knee hyperextension injury...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28809624/spinal-orthoses-the-crucial-role-of-comfort-on-compliance-of-wearing-monocentric-prospective-pilot-study-of-randomized-cross-over-design
#14
G W Herget, S Patermann, P C Strohm, J Zwingmann, P Eichelberger, N P Südkamp, A Hirschmüller
PURPOSE OF THE STUDY Various spine disorders are regularly treated by orthoses, and success of treatment depends on wearing these devices. In this study we examined the compliance, wear comfort, subjective stabilization and side effects associated with spinal orthoses using an individualized questionnaire and the Compact Short Form-12 Health Survey (SF-12). MATERIAL AND METHODS In this prospective pilot study of randomized cross-over design, twelve healthy volunteers with a mean age of 31.2 years wore three different types of orthoses, each for one week: A hyperextension brace (HB), a custom-made semirigid orthosis (SO) and a custom-made rigid orthosis (RO)...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28806590/how-multi-segmental-patterns-deviate-in-spastic-diplegia-from-typical-developed
#15
Matteo Zago, Chiarella Sforza, Alessia Bona, Veronica Cimolin, Pier Francesco Costici, Claudia Condoluci, Manuela Galli
BACKGROUND: The relationship between gait features and coordination in children with Cerebral Palsy is not sufficiently analyzed yet. Principal Component Analysis can help in understanding motion patterns decomposing movement into its fundamental components (Principal Movements). This study aims at quantitatively characterizing the functional connections between multi-joint gait patterns in Cerebral Palsy. METHODS: 65 children with spastic diplegia aged 10.6 (SD 3...
August 8, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28780225/post-cam-design-and-contact-stress-on-tibial-posts-in-posterior-stabilized-total-knee-prostheses-comparison-between-a-rounded-and-a-squared-design
#16
Toshifumi Watanabe, Hideyuki Koga, Masafumi Horie, Hiroki Katagiri, Ichiro Sekiya, Takeshi Muneta
BACKGROUND: The post-cam mechanism in posterior stabilized (PS) prostheses plays an important role in total knee arthroplasty (TKA). The purpose of this study is to clarify the difference of the contact stress on the tibial post between a rounded post-cam design and a squared design during deep knee flexion and at hyperextension using the three-dimensional (3D) finite element models. METHODS: We created 2 types of 3D, finite element models of PS prostheses (types A and B), whose surfaces were identical except for the post-cam geometries: type A has a rounded post-cam design, while type B has a squared design...
July 15, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28774252/acute-traumatic-swan-neck-deformity-a-case-report-of-the-oblique-retinacular-ligament-lesion
#17
Giuseppe Checcucci, Marco Biondi, Marina Faccio, Piergiuseppe Zampetti, Mariarosaria Galeano, Massimo Ceruso
Swan neck deformity (SND) can be the manifestation of an acute trauma. We present a case report of a young basketball player with an acute traumatic SND determined by the single ulnar oblique retinacular ligament rupture. The patient caught a ball directly upon the tip of his right's hand middle finger into extension. He immediately presented a SND with impossibility to actively flex the proximal interphalangeal joint (PIPJ), while preserving active flexion and extension of the distal interphalangeal joint (DIPJ)...
September 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28774244/volar-tenodesis-for-the-treatment-of-swan-neck-deformity-a-systematic-review
#18
Georgios Kiziridis, Grey E B Giddins
BACKGROUND: Swan-neck deformity is a common problem particularly in patients with Rheumatoid arthritis. Mobile swan-neck deformities (Nalebuff types I,II) can be treated non-operatively and operatively. In this paper we report on a systematic review of the treatment of swan-neck deformities with volar tenodesis. METHODS: We performed a literature search and analysed the literature according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines...
September 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28774242/adductor-tenotomy-combined-with-palmar-capsulodesis-for-spastic-thumb-in-palm-deformity-in-cerebral-palsy-description-of-a-surgical-technique-and-clinical-results
#19
García Luis-Alejandro, Gómez Bárbara
BACKGROUND: Spastic thumb deformity in cerebral palsy significantly impedes hand function. Flexion-adduction forces across the first ray is the result from imbalance between intrinsic and extrinsic muscles. Multiples surgeries have been devised for the treatment of this condition such as contracture release and by tendon transfers for balancing the muscles forces. We report the results of a less demanding surgical technique, intended to avoid hyperextension of the metacarpophalangeal joint previously described in other series...
September 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28752792/strain-distribution-in-the-porcine-lumbar-laminae-under-asymmetric-loading
#20
Colin Bright, Stephen Tiernan, Fiona McEvoy, Patrick Kiely
If the articular facets of the vertebra grow in an asymmetric manner, the developed geometry causes an asymmetry of loading. When the loading environment is altered by way of increased activity, the likelihood of acquiring a stress fracture may be increased. The combination of geometric asymmetry and increased activity is hypothesised to be the precursor to the stress fracture under investigation in this study, spondylolysis. This vertebral defect is an acquired fracture with 7% prevalence in the paediatric population...
July 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
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