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https://www.readbyqxmd.com/read/29342504/symmetric-polyarthralgias-and-cutaneous-papulonodules-in-a-56-year-old-woman
#1
Sean B Singer, Cristina Thomas, Cecilia Lezcano, Mark Robbins, Amparo Gordian, Sarita Nori, Scott R Granter, Joseph F Merola, John T O'Malley
A 56-year-old female with no history of arthritis presented with a two month history of a diffuse, pruritic, painful papulonodular skin eruption, diffuse myalgias, and symmetric polyarthritis of the hands, shoulders, knees, and ankles. This article is protected by copyright. All rights reserved.
January 17, 2018: Arthritis Care & Research
https://www.readbyqxmd.com/read/29340933/forces-generated-by-vastus-lateralis-and-vastus-medialis-decrease-with-increasing-stair-descent-speed
#2
Elena J Caruthers, Kassandra K Oxendale, Jacqueline M Lewis, Ajit M W Chaudhari, Laura C Schmitt, Thomas M Best, Robert A Siston
Stair descent (SD) is a common, difficult task for populations who are elderly or have orthopaedic pathologies. Joint torques of young, healthy populations during SD increase at the hip and ankle with increasing speed but not at the knee, contrasting torque patterns during gait. To better understand the sources of the knee torque pattern, we used dynamic simulations to estimate knee muscle forces and how they modulate center of mass (COM) acceleration across SD speeds (slow, self-selected, and fast) in young, healthy adults...
January 16, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29339984/functional-vs-traditional-analysis-in-biomechanical-gait-data-an-alternative-statistical-approach
#3
Jihong Park, Matthew K Seeley, Devin Francom, C Shane Reese, J Ty Hopkins
In human motion studies, discrete points such as peak or average kinematic values are commonly selected to test hypotheses. The purpose of this study was to describe a functional data analysis and describe the advantages of using functional data analyses when compared with a traditional analysis of variance (ANOVA) approach. Nineteen healthy participants (age: 22 ± 2 yrs, body height: 1.7 ± 0.1 m, body mass: 73 ± 16 kg) walked under two different conditions: control and pain+effusion. Pain+effusion was induced by injection of sterile saline into the joint capsule and hypertonic saline into the infrapatellar fat pad...
December 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29339174/the-impact-of-strabismus-surgery-on-gait-pattern-in-patients-with-congenital-or-starting-within-one-year-of-age-strabismus
#4
Enrica Sipio, Anna Dickmann, Irene Aprile, Marco Germanotta, Chiara Simbolotti, Annabella Salerni, Gustavo Savino, Luca Padua
Strabismus is a common visual disorder that negatively affects walking and balance. Therapeutic interventions for strabismus include strabismus surgery. Few studies investigated the relationship between strabismus surgery and postural control while, to the best of our knowledge, none has been conducted to assess the influence of strabismus surgery on gait. Therefore, the aim of this study was to evaluate the locomotion characteristics over patients with congenital or starting within one year of age strabismus, one month and three months after strabismus surgery...
January 12, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29334862/the-effects-of-an-unanticipated-side-cut-on-lower-extremity-kinematics-and-ground-reaction-forces-during-a-drop-landing
#5
Jae P Yom, Tane Owens, Scott Arnett, Justin Beebe, Veronica Son
Unanticipated direction to cut after landing may alter the lower extremity landing biomechanics when performing landing motions. These alterations may potentially increase the risk of ACL injury. The purpose of this study was to determine if an unanticipated side-cut affects lower extremity landing biomechanics in females. Eighteen recreational female athletes participated in two blocks of testing: the first block of testing consisted of three acceptable trials of anticipated dominant limb and non-dominant limb 45-degree diagonal cutting after landing, which were performed in a counterbalanced order...
January 16, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29334675/effects-of-running-retraining-on-biomechanical-factors-associated-with-lower-limb-injury
#6
Marcus D Dunn, David B Claxton, Graham Fletcher, Jonathan S Wheat, David M Binney
Injury risk is an important concern for runners; however, limited evidence exists regarding changes to injury risk following running style retraining. Biomechanical factors, such as absolute peak free moment, knee abduction impulse, peak foot eversion and foot eversion excursion, have been shown to predict lower limb injury. The aim of this study was to assess the effects of Pose running retraining on biomechanical factors associated with lower limb running injury. Twenty uninjured recreational runners were pair-matched based on their five km run time performance and randomly assigned to control (n = 10) and intervention (three 2-h Pose running retraining sessions) groups (n = 10)...
January 12, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29334580/the-power-load-relationship-during-a-countermovement-jump-a-joint-level-analysis
#7
Kym J Williams, Dale W Chapman, Elissa J Phillips, Nick Ball
This study aimed to investigate if hip, knee and ankle peak power is influenced by the relative load lifted, altering the joint and system load-power relationship during a countermovement jump (CMJ). Twenty-Three male national representative athletes (age: 20.3 ± 3.1y, squat 1RM: 133.8 ± 24.8kg) completed three CMJs at relative barbell loads of 0, 10, 20, 30 and 40% of an athlete's estimated back squat 1RM. Ground reaction force and joint kinematics were captured using a 16 camera motion capture array integrated with two in ground tri-axial force plates...
January 12, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29334475/abandonment-of-assistive-products-assessing-abandonment-levels-and-factors-that-impact-on-it
#8
André T Sugawara, Vinícius D Ramos, Fábio M Alfieri, Linamara R Battistella
PURPOSE: To investigate the levels and factors that influence the abandonment of assistive products by users of a local reference rehabilitation center. METHODS: This observational study involved users who received services and assistive products provided by our center of rehabilitation. Users were identified using the records of the center and their responses about the abandonment were collected through face-to-face interviews. RESULTS: The abandonment level of assistive products was 19...
January 15, 2018: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/29334292/safety-and-effectiveness-of-fascial-therapy-in-adult-patients-with-hemophilic-arthropathy-a-pilot-study
#9
Elena Donoso-Úbeda, Javier Meroño-Gallut, José Antonio López-Pina, Rubén Cuesta-Barriuso
BACKGROUND: The primary clinical manifestations of hemophilia are muscle and joint bleeding. Recurrent bleeding leads to a degenerative process known as hemophilic arthropathy. Fascial therapy is one of the most used physiotherapy techniques today to improve joint dysfunctions and chronic pain. OBJECTIVE: To assess the safety and efficacy of fascial therapy treatment in patients with hemophilic arthropathy of ankle and knee. DESIGN: Non-randomized, controlled clinical trial...
January 15, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29332762/the-effect-of-foot-orthoses-on-joint-moment-asymmetry-in-male-children-with-flexible-flat-feet
#10
AmirAli Jafarnezhadgero, Morteza Madadi Shad, Reed Ferber
INTRODUCTION: It has been widely postulated that structural and functional misalignments of the foot, such as flat foot, may cause mechanical deviations of the lower limb during walking. The aim of this study was to investigate the effect of foot orthoses on lower extremity joint moment asymmetry during the stance phase of walking in children with asymptomatic flexible flat feet. METHODS: Fourteen volunteer male children, clinically diagnosed with flexible flat feet, participated in this study...
January 2018: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29332736/electromyographic-changes-in-muscles-around-the-ankle-and-the-knee-joints-in-women-accustomed-to-wearing-high-heeled-or%C3%A2-low-heeled-shoes
#11
Mona Kermani, Mehri Ghasemi, Abbas Rahimi, Khosro Khademi-Kalantari, Alireza Akbarzadeh-Bghban
OBJECTIVES: This study aimed to investigate muscle activities in the muscles around the ankle and knee joints in women accustomed to wearing high-heeled or low-heeled shoes. METHODOLOGY: Forty young women (age: 18-40 years) participated in this comparative clinical study. Twenty of the recruited subjects were accustomed to high-heeled shoes and the other half to low-heeled shoes. Electrical activities of the ankle and knee muscles in both groups with and without wearing their accustomed shoes were studied during walking...
January 2018: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29332470/a-school-based-neuromuscular-training-program-and-sport-related-injury-incidence-a-prospective-randomized-controlled-clinical-trial
#12
Kim D Barber Foss, Staci Thomas, Jane C Khoury, Gregory D Myer, Timothy E Hewett
CONTEXT:   An estimated 40 million school-aged children (age range = 5-18 years) participate annually in sports in the United States, generating approximately 4 million sport-related injuries and requiring 2.6 million emergency department visits at a cost of nearly $2 billion. OBJECTIVE:   To determine the effects of a school-based neuromuscular training (NMT) program on sport-related injury incidence across 3 sports at the high school and middle school levels, focusing particularly on knee and ankle injuries...
January 13, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29331489/modulation-of-lower-extremity-joint-stiffness-work-and-power-at-different-walking-and-running-speeds
#13
Li Jin, Michael E Hahn
Locomotion task and speed changes affect dynamic joint function. Walking and running require different coordination patterns of lower extremity joint mechanics. These coordination differences can result in measurable changes in kinematic and kinetic patterns. When locomotion speed changes, the functional role and movement strategy of each joint is altered. A deeper understanding of joint level mechanics and functional interactions will benefit rehabilitation programs and assistive device development. In this study, joint stiffness, joint mechanical work and power were assessed, as they relate to dynamic function of joints during locomotion...
January 10, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29330745/-treatment-of-rotational-malalignment-of-the-lower-leg
#14
REVIEW
P Keppler
BACKGROUND: Rotational malalignment after intramedullary nailing of tibial shaft fractures is not uncommon. In-toeing and out-toeing conditions in children are often the reason for orthopedic and traumatological medical consultation. OBJECTIVE: Evaluation of diagnostic modalities and therapeutic options for rotational malalignment in relationship to the patient's age. Surgical indications and efficacy of specific surgical techniques. MATERIAL AND METHODS: Systematic literature search in the German Institute for Medical Documentation and Information (DIMDI) and MEDLINE and evaluation of the currently published articles...
January 12, 2018: Der Unfallchirurg
https://www.readbyqxmd.com/read/29330588/whole-body-3d-kinematics-of-bird-take-off-key-role-of-the-legs-to-propel-the-trunk
#15
Pauline Provini, Anick Abourachid
Previous studies showed that birds primarily use their hindlimbs to propel themselves into the air in order to take-off. Yet, it remains unclear how the different parts of their musculoskeletal system move to produce the necessary acceleration. To quantify the relative motions of the bones during the terrestrial phase of take-off, we used biplanar fluoroscopy in two species of birds, diamond dove (Geopelia cuneata) and zebra finch (Taeniopygia guttata). We obtained a detailed 3D kinematics analysis of the head, the trunk and the three long bones of the left leg...
January 6, 2018: Die Naturwissenschaften
https://www.readbyqxmd.com/read/29327826/correlation-between-hypermobility-score-and-injury-rate-in-artistic-gymnastics
#16
Bojan Bukva, Goran Vrgoč, Dejan Madić, Goran Sporiš, Nebojša Trajković
BACKGROUND: Generalized Joint Hypermobility (GJH) is suggested as a contributing factor for injuries in young athletes and adults. It is presumed that GJH causes decreased joint stability, thereby increasing the risk of joint and soft tissue injuries during sports activities. The aim of this study was to determine the correlation between the hypermobility rate (using the Beighton`s modification of the Carter-Wilkinson criteria of hypermobility) in gymnasts and injury rate, during the period of one year...
January 10, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29327570/the-detour-procedure-no-more-need-for-conventional-bypass-surgery
#17
Dainis Krievins, Janis Savlovskis, Natalija Ezite, Andrew Hill, Kaspars Kisis, Marcis Gedins, Edgars Zellans, Andrew Holden
BACKGROUND: Long segment occlusive disease in the superficial femoral artery remains a treatment challenge despite advances in open surgical and endovascular approaches. We report initial clinical results of an entirely new procedure to perform femoropopliteal bypass using the DETOUR System to create a stentgraft bypass which originates in the SFA, travels through the femoral vein, and ends in the popliteal artery, bypassing the diseased segment. METHODS: Review the initial results of the first five patients at a single site enrolled in IRB-approved, prospective clinical study using the DETOUR System...
January 9, 2018: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/29327169/passive-stiffness-of-monoarticular-lower-leg-muscles-is-influenced-by-knee-joint-angle
#18
Filiz Ateş, Ricardo J Andrade, Sandro R Freitas, François Hug, Lilian Lacourpaille, Raphael Gross, Can A Yucesoy, Antoine Nordez
PURPOSE: While several studies demonstrated the occurrence of intermuscular mechanical interactions, the physiological significance of these interactions remains a matter of debate. The purpose of this study was to quantify the localized changes in the shear modulus of the gastrocnemius lateralis (GL), monoarticular dorsi- and plantar-flexor muscles induced by a change in knee angle. METHOD: Participants underwent slow passive ankle rotations at the following two knee positions: knee flexed at 90° and knee fully extended...
January 11, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29325901/dynamic-structure-of-lower-limb-joint-angles-during-walking-post-stroke
#19
Kelley Kempski, Louis N Awad, Thomas S Buchanan, Jill S Higginson, Brian A Knarr
BACKGROUND: Variability in joint kinematics is necessary for adaptability and response to everyday perturbations; however, intrinsic neuromotor changes secondary to stroke often cause abnormal movement patterns. How these abnormal movement patterns relate to joint kinematic variability and its influence on post-stroke walking impairments is not well understood. OBJECTIVE: The purpose of this study was to evaluate the movement variability at the individual joint level in the paretic and non-paretic limbs of individuals post-stroke...
December 15, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29322320/is-there-a-relationship-between-the-load-distribution-on-the-tibial-plateau-and-hip-knee-ankle-angle-after-tka
#20
Takao Kaneko, Norihiko Kono, Yuta Mochizuki, Hiroyasu Ikegami, Yoshiro Musha
INTRODUCTION: This study asked whether differences in coronal alignment after total knee arthroplasty (TKA) affect the load distribution on the tibial plateau. The aim of this study was to investigate the correlation between coronal alignment and the load distribution on the tibial plateau after TKA, using three-dimensional multi-detector-row-computed tomography (3D-MDCT). MATERIALS AND METHODS: In this study, we performed 84 cementless TKA with porous tantalum modular tibial component (PTMT) and divided into three groups based on post-operative hip-knee-ankle (HKA) angle: varus alignment group (n = 22), (176° ≧) neutral alignment group (n = 45), (180° ± 3°), and valgus alignment group (n = 17) (184° ≦)...
January 10, 2018: Archives of Orthopaedic and Trauma Surgery
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