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https://www.readbyqxmd.com/read/29234219/concept-and-design-of-a-3d-printed-support-to-assist-hand-scanning-for-the-realization-of-customized-orthosis
#1
Gabriele Baronio, Paola Volonghi, Alberto Signoroni
In the rehabilitation field, the use of additive manufacturing techniques to realize customized orthoses is increasingly widespread. Obtaining a 3D model for the 3D printing phase can be done following different methodologies. We consider the creation of personalized upper limb orthoses, also including fingers, starting from the acquisition of the hand geometry through accurate 3D scanning. However, hand scanning procedure presents differences between healthy subjects and patients affected by pathologies that compromise upper limb functionality...
2017: Applied Bionics and Biomechanics
https://www.readbyqxmd.com/read/29232570/development-of-an-orthosis-for-simultaneous-three-dimensional-correction-of-clubfoot-deformity
#2
Kanwaljit S Khas, Pulak M Pandey, Alok R Ray
BACKGROUND: Clubfoot is a three-dimensional deformity of the foot in which the foot is twisted in three mutually perpendicular planes from the normal shape of the foot. Of the various treatment methods that are available to manage clubfoot, non-operative approaches are preferred. The conventional non-operative method of treatment is to apply a series of casts to the infant's clubfoot to gradually manipulate its position. However, prolonged use of casts can result in skin rash, skin dehydration and ulcers on the soft skin of an infant...
December 6, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29215571/application-of-the-superelastic-niti-spring-in-ankle-foot-orthosis-afo-to-create-normal-ankle-joint-behavior
#3
Amirhesam Amerinatanzi, Hashem Zamanian, Narges Shayesteh Moghaddam, Ahmadreza Jahadakbar, Mohammad Elahinia
Hinge-based Ankle Foot Orthosis (HAFO) is one of the most common non-surgical solutions for the foot drop. In conventional HAFOs, the ankle joint is almost locked, and plantar flexion is restricted due to the high stiffness of the hinge mechanism. This often leads to a rigid walking gate cycle, poor muscle activity, and muscle atrophy. Since the ankle torque-angle loop has a non-linear profile, the use of a superelastic NiTi spring within the hinge, due to its nonlinear behavior, could recreate a close-to-normal stiffness of the normal ankle joint, which, in turn, could create a more natural walk...
December 7, 2017: Bioengineering
https://www.readbyqxmd.com/read/29214919/effect-of-total-contact-orthosis-on-medial-longitudinal-arch-and-lower-extremities-in-flexible-flatfoot-subjects-during-walking
#4
Tulaya Prachgosin, Wipawan Leelasamran, Pruittikorn Smithmaitrie, Surapong Chatpun
BACKGROUND: Total-contact orthosis (TCO) is one kind of foot orthosis (FO) that is used to adjust biomechanics in flexible flatfoot. OBJECTIVE: To determine the effects of a TCO on the MLA moment, MLA deformation angle and lower limb biomechanics. STUDY DESIGN: Cross-sectional study. METHODS: Seven-flatfoot and thirteen-normal foot subjects were recruited by footprint and radiographs. The biomechanics of subjects with normal foot (NF), flatfoot with shoe only (FWOT) and flatfoot with TCO (FWT) were collected in a 3D motion analysis laboratory and force plates...
December 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/29214918/effects-of-knee-orthosis-adjustment-on-biomechanical-performance-and-clinical-outcome-in-patients-with-medial-knee-osteoarthritis
#5
Andreas Brand, Isabella Klöpfer-Krämer, Mario Morgenstern, Inga Kröger, Björn Michel, Andreas Thannheimer, Janina Anna Müßig, Peter Augat
BACKGROUND: Valgus bracing in medial knee osteoarthritis aims to improve gait function by reducing the loading of the medial compartment. Orthosis composition and optimal adjustment is essential to achieve biomechanical and clinical effectiveness. OBJECTIVES: To investigate biomechanical functionality during gait, pain relief and compliance in patients with knee osteoarthritis using a lightweight adjustable knee unloader orthosis. STUDY DESIGN: Prospective observational clinical trial...
December 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/29205999/treatment-of-acute-achilles-tendon-ruptures-in-central-finland-central-hospital-in-2010-2015
#6
Aleksi Reito, Hanna-Liina Logren, Katri Ahonen, Heikki Nurmi, Juha Paloneva
BACKGROUND: The epidemiology of Achilles tendon ruptures and treatment strategies have undergone a major change in recent years. We investigated the incidence of acute Achilles tendon ruptures, the choice of treatment strategies and treatment implementation. MATERIALS AND METHODS: The research material consisted of patients living in the catchment area of Central Finland Hospital District who had been diagnosed with an acute Achilles tendon rupture between 2010 and 2015...
2017: Duodecim; Lääketieteellinen Aikakauskirja
https://www.readbyqxmd.com/read/29200624/exercise-using-a-robotic-knee-orthosis-in-stroke-patients-with-hemiplegia
#7
Shuhei Iida, Dai Kawakita, Takuya Fujita, Hirohumi Uematsu, Takahisa Kotaki, Kikuko Ikeda, Chikara Aoki
[Purpose] The Robotics Knee Orthosis (RKO) is a knee-ankle-foot orthosis with active robot assisting technology. The purpose of this study is to examine the effects of exercise with the RKO (RKO-exercise) in stroke patients with hemiplegia. [Subjects and Methods] Participants were nine stroke patients with hemiplegia, residing in a convalescent rehabilitation ward. The duration of the RKO-exercise program was 10 days. Participants were evaluated three times prior to intervention, once after intervention, and one month post intervention...
November 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29200619/the-effect-of-newly-designed-multi-joint-ankle-foot-orthosis-on-the-gait-and-dynamic-balance-of-stroke-patients-with-foot-drop
#8
Young Jun Shin, Dae Hwan Lee, Myoung-Kwon Kim
[Purpose] The purpose of this study is to investigate the effect of the newly designed multi joint ankle-foot orthosis on the gait and dynamic balance of stroke patients having foot drop. [Subjects and Methods] This study was conducted with 15 subjects who were diagnosed with stroke. 10-meter walk test, functional reaching test and timed up and go test were measured after each subjects wore a plastic ankle-foot orthosis and a multi joint ankle-foot orthosis that consists of orthosis joints (having free joint, anterior-stop joint, poster-stop joint, and Klenzak joint functions)...
November 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29199034/the-rectangle-a-hand-based-pattern-for-a-dorsal-short-thumb-opponens-orthosis-with-metacarpophalangeal-support
#9
Tina R Veraldi
No abstract text is available yet for this article.
November 30, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/29198479/multimodal-custom-orthosis-to-promote-hook-fist
#10
Nathan Short
No abstract text is available yet for this article.
November 29, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/29191729/hardness-and-posting-of-foot-orthoses-modify-plantar-contact-area-plantar-pressure-and-perceived-comfort-when-cycling
#11
Jaquelin A Bousie, Peter Blanch, Thomas G McPoil, Bill Vicenzino
OBJECTIVES: To evaluate the effects of hardness and posting of orthoses on plantar profile and perceived comfort and support during cycling. DESIGN: A repeated measures study with randomised order of orthoses, hardness, and posting conditions. METHODS: Twenty-three cyclists cycled at a cadence of 90rpm and a perceived exertion rating of twelve. Contoured soft and hard orthoses with or without a medial forefoot or lateral forefoot post were evaluated...
November 26, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29189592/early-reduction-of-pediatric-traumatic-posterior-hip-dislocation-is-much-more-important-than-the-treatment-procedure
#12
Serdar Yuksel, Cem Albay
Traumatic hip dislocations are very rare in the pediatric population, and they are real emergent cases that can occur with minimal trauma. If they are not diagnosed immediately and reduction is not performed as soon as possible, they may cause problems such as avascular necrosis and degenerative arthritis. Performing reduction within the first 6 hours is of vital importance.We aim to present the functional outcomes and radiographic results of 2 pediatric traumatic hip dislocation cases with 36 months of follow-up who were treated with abduction orthosis after the reduction...
November 20, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29182569/knee-impedance-modulation-to-control-an-active-orthosis-using-insole-sensors
#13
Ana Cecilia Villa-Parra, Denis Delisle-Rodriguez, Jessica Souza Lima, Anselmo Frizera-Neto, Teodiano Bastos
Robotic devices for rehabilitation and gait assistance have greatly advanced with the objective of improving both the mobility and quality of life of people with motion impairments. To encourage active participation of the user, the use of admittance control strategy is one of the most appropriate approaches, which requires methods for online adjustment of impedance components. Such approach is cited by the literature as a challenge to guaranteeing a suitable dynamic performance. This work proposes a method for online knee impedance modulation, which generates variable gains through the gait cycle according to the users' anthropometric data and gait sub-phases recognized with footswitch signals...
November 28, 2017: Sensors
https://www.readbyqxmd.com/read/29182110/difference-between-spinecor-brace-and-thoracolumbosacral-orthosis-for-deformity-correction-and-quality-of-life-in-adolescent-idiopathic-scoliosis
#14
O Ersen, S Bilgic, K Koca, T Ege, E Oguz, A B Bilekli
Although there are several conservative treatment options, only bracing has been found to be effective in preventing curve progression and a subsequent need for surgery in adolescent idiopathic scoliosis. The objective of this study is to compare the results of SpineCor brace and thoracolumbosacral orthosis (TLSO) for treatment of adolescent idiopathic scoliosis radiologically and clinically. Sixty-four patients with adolescent idiopathic scoliosis treated with brace included in this study. Height, T1-Coccygx distance, and gibbosity were measured...
December 2016: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/29168769/early-detection-of-the-initiation-of-sit-to-stand-posture-transitions-using-orthosis-mounted-sensors
#15
Abul Doulah, Xiangrong Shen, Edward Sazonov
Assistance during sit-to-stand (SiSt) transitions for frail elderly may be provided by powered orthotic devices. The control of the powered orthosis may be performed by the means of electromyography (EMG), which requires direct contact of measurement electrodes to the skin. The purpose of this study was to determine if a non-EMG-based method that uses inertial sensors placed at different positions on the orthosis, and a lightweight pattern recognition algorithm may accurately identify SiSt transitions without false positives...
November 23, 2017: Sensors
https://www.readbyqxmd.com/read/29156378/effect-of-robotic-assisted-gait-rehabilitation-on-dynamic-equilibrium-control-in-the-gait-of-children-with-cerebral-palsy
#16
L Wallard, G Dietrich, Y Kerlirzin, J Bredin
Due to the intensity and repetition of movement, roboticassisted gait training therapy could have a beneficial effect on the recovery and improvement of postural and locomotor functions of the patient. This study sought to highlight the effects of robotic-assisted gait rehabilitation in gait of children with Cerebral Palsy (CP). We analyzed the different strategies before and after this rehabilitation which was used in order to generate forward motion while maintaining balance. Data were collected by a motion analysis system (Vicon® - Oxford Metrics, Oxford, UK)...
November 11, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29153895/design-and-construction-of-the-static-progressive-flexion-orthosis
#17
Maryam Farzad, Erfan Shafiee, Mokhtar Arazpour
No abstract text is available yet for this article.
November 16, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/29132791/in%C3%A2-vitro-kinematic-assessment-of-a-hinged-elbow-orthosis-following-lateral-collateral-ligament-injury
#18
Ranita H Manocha, Graham J W King, James A Johnson
PURPOSE: Elbow lateral collateral ligament injuries (LCLI) are often managed with protected mobilization using a hinged elbow orthosis (HEO). The objective of this investigation was to determine the effectiveness of an HEO in stabilizing the elbow following LCLI. METHODS: Seven fresh-frozen cadaveric upper extremity specimens were studied using a custom simulator that enabled elbow motion via computer-controlled actuators and servomotors attached to relevant tendons...
November 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29132786/outcomes-following-acute-metacarpophalangeal-joint-arthroplasty-dislocation-an-analysis-of-37-cases
#19
Nathan Wanderman, Eric Wagner, Steven Moran, Marco Rizzo
PURPOSE: There remains a paucity of information regarding the treatment outcomes of dislocation after metacarpophalangeal (MCP) joint arthroplasty. The purpose of this study was to assess the outcomes of surgical and nonsurgical treatment modalities of MCP arthroplasty dislocations. METHODS: Of 816 MCP joint arthroplasties over a 14-year period, there were 37 (4%) acute MCP joint dislocations that required intervention by a health care professional. Implants involved included 28 nonconstrained implants including pyrocarbon (n = 17) and surface replacement arthroplasty (n = 11), and 9 silicone implants...
November 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29128666/comparison-of-plantar-pressure-distribution-in-cad-cam-and-prefabricated-foot-orthoses-in-patients-with-flexible-flatfeet
#20
Banafsheh Khodaei, Hassan Saeedi, Maryam Jalali, Maede Farzadi, Ehsan Norouzi
BACKGROUNDS: The effect of foot orthoses on plantar pressure distribution has been proven by researchers but there are some controversies about advantages of custom-made foot orthoses to less expensive prefabricated foot orthoses. METHODS: Nineteen flatfeet adults between 18 and 45 participated in this study. CAD-CAM foot orthoses were made for these patients according to their foot scan. Prefabricated foot orthoses were prepared according to their foot size. Plantar pressure, force and contact area were measured using pedar®-x in-shoe system wearing shoe alone, wearing CAD-CAM foot orthoses and wearing prefabricated foot orthoses...
December 2017: Foot
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