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Prosthetics and Orthotics International

Mayank Kalra, Ryan Bakker, Sebastian S Tomescu, Anna M Polak, Micah Nicholls, Naveen Chandrashekar
BACKGROUND: A medial meniscal tear is a common knee injury, especially following an anterior cruciate ligament injury. Decreasing the compressive force on the medial meniscus during dynamic activities using an unloader knee brace could reduce meniscal strain, effectively reducing injury risk and/or severity. OBJECTIVES: To investigate the efficacy of two unloader knee braces on medial meniscus strain during dynamic activities in intact & deficient anterior cruciate ligament states...
September 10, 2018: Prosthetics and Orthotics International
Chen He, Michael Kai-Tsun To, Chi-Kwan Chan, Man Sang Wong
BACKGROUND: Prediction of in-orthosis curvature at pre-orthosis stage is valuable for the treatment planning for adolescent idiopathic scoliosis, while the position of spinal curvature assessment that is effective for this prediction is still unknown. OBJECTIVES: To compare the spinal curvatures in different body positions for predicting the spinal curvature rendered by orthosis. STUDY DESIGN: A prospective cohort study. METHODS: Twenty-two patients with adolescent idiopathic scoliosis (mean Cobb angle: 28...
September 7, 2018: Prosthetics and Orthotics International
Saad Jawaid Khan, Soobia Saad Khan, Juliana Usman, Abdul Halim Mokhtar, Noor Azuan Abu Osman
BACKGROUND: Knee osteoarthritis is a major contributor to the global burden of disease. There is a need of reducing knee joint load and to improve balance and physical function among knee osteoarthritis patients. OBJECTIVES: To test the hypothesis that toe-out gait will reduce second peak knee adduction moment further and increase fall risk when combined with knee brace and laterally wedged insole in knee osteoarthritis patients. STUDY DESIGN: Single visit study with repeated measures...
September 7, 2018: Prosthetics and Orthotics International
Gerda Strutzenberger, Nathalie Alexander, Alan De Asha, Hermann Schwameder, Cleveland Thomas Barnett
BACKGROUND: An inverted pendulum model represents the mechanical function of able-bodied individuals walking accurately, with centre of mass height and forward velocity data plotting as sinusoidal curves, 180° out of phase. OBJECTIVES: This study investigated whether the inverted pendulum model represented level gait in individuals with a unilateral transfemoral amputation. STUDY DESIGN: Controlled trial. METHODS: Kinematic and kinetic data from 10 individuals with unilateral transfemoral amputation and 15 able-bodied participants were recorded during level walking...
August 31, 2018: Prosthetics and Orthotics International
Mary E Matsumoto, Joseph M Czerniecki, Ali Shakir, Pradeep Suri, Michael Orendurff, David C Morgenroth
BACKGROUND: Low back pain is a common secondary disabling condition in the transfemoral amputee population. Transfemoral amputees are at risk of excessive lumbar lordosis; it has been suggested that increased lumbar lordosis may be associated with low back pain. However, the relationship between lumbar lordosis angle and low back pain has not yet been studied in this population. OBJECTIVE: To determine whether the extent of lumbar lordosis is associated with low back pain in transfemoral amputees...
August 18, 2018: Prosthetics and Orthotics International
Christopher Kevin Wong, William Brooks Gibbs
BACKGROUND: Wellness activities can benefit health, yet committed adherence is challenging. OBJECTIVES: Identify factors associated with committed participation in an amputee wellness-walking program and determine benefits of committed participation. STUDY DESIGN: Prospective longitudinal cohort. METHODS: Two former Paralympians led the wellness-walking sessions. Participants provided medical history and self-reported balance confidence and prosthetic functional measures...
August 16, 2018: Prosthetics and Orthotics International
Francesco Paradisi, Eugenio Di Stanislao, Aurora Summa, Stefano Brunelli, M Traballesi, Giuseppe Vannozzi
BACKGROUND: The observation of upper body movement is gaining interest in the gait analysis community. Recent studies involved the use of body-worn motion sensors, allowing translation of laboratory measurements to real-life settings in the context of patient monitoring and fall prevention. OBJECTIVES: It was shown that amputee persons demonstrate altered acceleration patterns due to the presence of prosthetic components, while no information is available on how accelerations propagate upwards to the head during level walking...
August 16, 2018: Prosthetics and Orthotics International
Heather R Batten, Steven M McPhail, Allison M Mandrusiak, Paulose N Varghese, Suzanne S Kuys
BACKGROUND: The relationship between gait speed and prosthetic potential (K-level classifications) and function has not been explored among people transitioning from hospital rehabilitation to the community. OBJECTIVES: To examine gait speed at discharge from inpatient rehabilitation among people prescribed a prosthetic leg after unilateral lower limb amputation, and associations between gait speed, prosthetic potential and functional ability. STUDY DESIGN: Cohort...
August 16, 2018: Prosthetics and Orthotics International
Douglas John Matthews, Mateen Arastu, Maggie Uden, John Paul Sullivan, Kristina Bolsakova, Kingsley Robinson, Sellaiah Sooriakumaran, David Ward
BACKGROUND: Amputation of a limb impacts on patients' self-perception and quality of life. Prostheses directly anchored to the skeleton are being investigated, aiming to avoid soft tissue complications. OBJECTIVES: We report outcome data for the UK trial of the Osseointegrated Prosthesis for the Rehabilitation of Amputees Implant System with a minimum of 9-year follow-up. METHODS: Eighteen transfemoral amputees received unilateral implants between 1997 and 2008...
August 16, 2018: Prosthetics and Orthotics International
Liezel Ennion, Sarah Manig
BACKGROUND: Ambulation with a prosthesis is the ultimate goal of rehabilitation for a person with a major lower limb amputation. Due to challenges with prosthetic service delivery in rural settings, many patients with amputations are not benefitting from prosthetic interventions. Inaccessibility to prosthetic services results in worse functional outcomes and quality of life. Learning from the experiences of current prosthetic users in this setting can assist to improve prosthetic service delivery...
August 16, 2018: Prosthetics and Orthotics International
Wing Sum Li, Sze Ying Chan, Wai Wang Chau, Sheung-Wai Law, Kai Ming Chan
BACKGROUND: The 2008 Sichuan Earthquake resulted in many amputees, yet due to the rare incidence, few studies have explored the rehabilitation outcomes and quality of life of bilateral lower limb amputees after major natural disasters. OBJECTIVES: To evaluate rehabilitation outcomes of 17 young and adult bilateral lower limb amputees under the StandTall rehabilitation programme and to identify factors associated with successful functional recovery of bilateral amputees after large-scale disasters...
August 16, 2018: Prosthetics and Orthotics International
Celine Timmermans, Andrea G Cutti, Hester van Donkersgoed, Melvyn Roerdink
BACKGROUND: Gaitography is gait parametrization from center-of-pressure trajectories of walking on an instrumented treadmill. Gaitograms may be useful for prosthetic gait analyses, as they can be rapidly and unobtrusively collected over multiple gait cycles without constraining foot placement. However, its reliability must still be established for prosthetic gait. OBJECTIVES: To evaluate (a) within-method test-retest repeatability and (b) between-methods agreement for temporal gait events (foot contact, foot off) and gait characteristics (e...
August 13, 2018: Prosthetics and Orthotics International
Faezeh Abbasi, Mahmood Bahramizadeh, Mohammad Hadadi
BACKGROUND: Chronic ankle instability as a prevalent consequence of ankle sprain causes various impairments such as balance and postural control deficits. Foot orthoses are one of the common interventions for rehabilitation of patients with chronic ankle instability. OBJECTIVES: To investigate the effect of custom-molded foot orthoses with textured surfaces on dynamic balance of chronic ankle instability patients and to compare their effects with other types of foot orthoses...
August 13, 2018: Prosthetics and Orthotics International
Leigh Davis, Joshua S Murphy, Kenneth A Shaw, Kaitlin Cash, Dennis P Devito, Michael L Schmitz
BACKGROUND: Orthotic treatment for adolescent idiopathic scoliosis is a mainstay in nonoperative treatment to prevent progressive spinal deformity. OBJECTIVE: To determine the effectiveness of the Providence orthosis in the treatment of adolescent idiopathic scoliosis. STUDY DESIGN: Retrospective review. METHODS: Patients treated with a Providence orthosis for adolescent idiopathic scoliosis were reviewed. Inclusion criteria included the following: age of 10-18 years; curve magnitude of 25°-40°; Risser stage of 0-2; and, if female, <1 year post menarche at the time of brace initiation...
August 13, 2018: Prosthetics and Orthotics International
Gali Dar, Einat Mei-Dan
BACKGROUND: Infrapatellar strapping is a treatment technique used in various knee pathologies; however, its effect on pain and functional performance among young athletes has not been studied. OBJECTIVES: To evaluate the effect of infrapatellar strap on pain and jumping performance among young athletes diagnosed with patellar tendinopathy. STUDY DESIGN: Pre-/post-test (within-subject research design). METHODS: A total of 16 young male basketball and volleyball athletes (age range, 12-18 years) diagnosed with patellar tendinopathy were included in the study...
August 13, 2018: Prosthetics and Orthotics International
Seema Radhakrishnan, Friedbert Kohler, Christoph Gutenbrunner, Arun Jayaraman, Karin Pieber, Jianin Li, Carolina Schiappacasse
BACKGROUND: International Classification of Function, Health and Disability provides a common framework and universal language for rehabilitation professionals across the globe. OBJECTIVES: To identify problems in functioning and mobility relevant to persons with lower-limb amputation from an expert's point of view and quantify these problems using the International Classification of Function, Health and Disability. STUDY DESIGN: Qualitative study using electronic and paper surveys...
August 10, 2018: Prosthetics and Orthotics International
Robert Gailey, Anat Kristal, Jennifer Lucarevic, Shane Harris, Brooks Applegate, Ignacio Gaunaurd
BACKGROUND: Prosthetic socket fit is an important element associated with successful ambulation and use of a prosthesis. Prosthetists and rehabilitation clinicians would benefit from an assessment tool that discriminates between and quantifies the multiple determinants that influence the lower limb amputee's performance and satisfaction of a prosthetic socket. OBJECTIVES: To determine the internal consistency of the comprehensive lower limb amputee socket survey, a new self-report measure of prosthetic socket satisfaction that quantifies suspension, stability, comfort, and appearance...
August 10, 2018: Prosthetics and Orthotics International
Ingrid Skaaret, Harald Steen, Terje Terjesen, Inger Holm
BACKGROUND: Different types of ankle-foot orthoses are commonly used following lower limb surgery in children with bilateral spastic cerebral palsy. After three-dimensional gait analysis 1 year postoperatively, many children are recommended continued use of ankle-foot orthoses. OBJECTIVES: Our aims were to quantify the impact of ankle-foot orthoses on gait 1 year postoperatively and evaluate predictors for clinically important improvement. STUDY DESIGN: Prospective cohort study...
August 7, 2018: Prosthetics and Orthotics International
Rhys James Williams, Atsushi Takashima, Toru Ogata, Catherine Holloway
BACKGROUND: Thermal discomfort among lower-limb prosthesis wearers is prevalent with social and medical consequences. OBJECTIVES: This study aimed to verify the feasibility of out-of-laboratory thermal comfort studies. STUDY DESIGN: Repeated measures pilot study. METHODS: Thermistors were placed on participants' residual limbs during two experimental phases. In phase 1, mean limb temperature was calculated over a controlled 55-min rest-exercise-rest protocol...
August 6, 2018: Prosthetics and Orthotics International
Siamak Noroozi, Zhi Chao Ong, Shin Yee Khoo, Navid Aslani, Philip Sewell
BACKGROUND: The current method of prescribing composite running-specific energy-storing-and-returning feet is subjective and is based only on the amputee's static body weight/mass. OBJECTIVES: The aim was to investigate their dynamic characteristics and create a relationship between these dynamic data and the prescription of foot. STUDY DESIGN: Experimental Assessment. METHODS: This article presents the modal analysis results of the full range of Össur Flex-Run™ running feet that are commercially available (1LO-9LO) using experimental modal analysis technique under a constant mass at 53 kg and boundary condition...
July 27, 2018: Prosthetics and Orthotics International
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