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https://www.readbyqxmd.com/read/28324977/a-novel-method-to-assess-angle-sensor-performance-for-wearable-exoskeletal-joint-kinematics
#1
Nicholas B Bolus, Geza F Kogler, Omer T Inan
Full range of motion (ROM) at a joint is necessary for efficient and adaptive movement; as such, it is an essential clinical evaluation measure for assessing an individual's motor function, which can be affected by any number of musculoskeletal injuries and neuropathies. Measurement of joint ROM in the clinic has classically been accomplished statically through the use of a manual goniometer. More recent efforts in the fields of prosthetics and orthotics have demonstrated the potential utility of wearable systems (e...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28301825/combined-versus-individual-effects-of-a-valgus-knee-brace-and-lateral-wedge-foot-orthotic-during-stair-use-in-patients-with-knee-osteoarthritis
#2
Rebecca Moyer, Trevor Birmingham, Colin Dombroski, Robert Walsh, J Robert Giffin
The aim of this study was to investigate the combined and individual biomechanical effects of a valgus knee brace and a lateral wedge foot orthotic during stair ascent and descent in patients with knee osteoarthritis (OA). Thirty-five patients with varus alignment and medial knee OA were prescribed a custom valgus knee brace and lateral wedge foot orthotic. Knee angles and moments in the frontal and sagittal planes were determined from 3D gait analysis completed under four randomized conditions: (1) control (no knee brace or foot orthotic), (2) knee brace, (3) foot orthotic, and (4) combined knee brace and foot orthotic...
March 1, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28268770/evaluation-of-a-variable-resistance-orthotic-knee-joint
#3
Andrew Herbert-Copley, Edward D Lemaire, Natalie Baddour
Knee-ankle-foot orthoses (KAFOs) are full leg braces for individuals with knee extensor weakness, designed to support the person during weight bearing activities by preventing knee flexion. KAFOs typically result in an unnatural gait pattern and are primarily used for level ground walking. A novel variable resistance orthotic knee joint, the Ottawalk-Variable Speed (OWVS), was designed to address these limitations. This paper presents a pilot test to evaluate the OWVS functional performance during walking and stair descent...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28265141/short-term-effects-of-physiotherapy-combining-repetitive-facilitation-exercises-and-orthotic-treatment-in-chronic-post-stroke-patients
#4
Kazutoshi Tomioka, Shuji Matsumoto, Keiko Ikeda, Tomohiro Uema, Jun-Ichi Sameshima, Yuji Sakashita, Tomokazu Kaji, Megumi Shimodozono
[Purpose] This study investigated the short-term effects of a combination therapy consisting of repetitive facilitative exercises and orthotic treatment. [Subjects and Methods] The subjects were chronic post-stroke patients (n=27; 24 males and 3 females; 59.3 ± 12.4 years old; duration after onset: 35.7 ± 28.9 months) with limited mobility and motor function. Each subject received combination therapy consisting of repetitive facilitative exercises for the hemiplegic lower limb and gait training with an ankle-foot orthosis for 4 weeks...
February 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28246134/precision-orthotics-optimising-ankle-foot-orthoses-to-improve-gait-in-patients-with-neuromuscular-diseases-protocol-of-the-proof-afo-study-a-prospective-intervention-study
#5
Niels F J Waterval, Frans Nollet, Jaap Harlaar, Merel-Anne Brehm
INTRODUCTION: In patients with neuromuscular disorders and subsequent calf muscle weakness, metabolic walking energy cost (EC) is nearly always increased, which may restrict walking activity in daily life. To reduce walking EC, a spring-like ankle-foot-orthosis (AFO) can be prescribed. However, the reduction in EC that can be obtained from these AFOs is stiffness dependent, and it is unknown which AFO stiffness would optimally support calf muscle weakness. The PROOF-AFO study aims to determine the effectiveness of stiffness-optimised AFOs on reducing walking EC, and improving gait biomechanics and walking speed in patients with calf muscle weakness, compared to standard, non-optimised AFOs...
February 28, 2017: BMJ Open
https://www.readbyqxmd.com/read/28227176/a-novel-method-to-assess-angle-sensor-performance-for-wearable-exoskeletal-joint-kinematics
#6
Nicholas B Bolus, Geza F Kogler, Omer T Inan, Nicholas B Bolus, Geza F Kogler, Omer T Inan, Geza F Kogler, Omer T Inan, Nicholas B Bolus
Full range of motion (ROM) at a joint is necessary for efficient and adaptive movement; as such, it is an essential clinical evaluation measure for assessing an individual's motor function, which can be affected by any number of musculoskeletal injuries and neuropathies. Measurement of joint ROM in the clinic has classically been accomplished statically through the use of a manual goniometer. More recent efforts in the fields of prosthetics and orthotics have demonstrated the potential utility of wearable systems (e...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226959/evaluation-of-a-variable-resistance-orthotic-knee-joint
#7
Andrew Herbert-Copley, Edward D Lemaire, Natalie Baddour, Andrew Herbert-Copley, Edward D Lemaire, Natalie Baddour, Andrew Herbert-Copley, Natalie Baddour, Edward D Lemaire
Knee-ankle-foot orthoses (KAFOs) are full leg braces for individuals with knee extensor weakness, designed to support the person during weight bearing activities by preventing knee flexion. KAFOs typically result in an unnatural gait pattern and are primarily used for level ground walking. A novel variable resistance orthotic knee joint, the Ottawalk-Variable Speed (OWVS), was designed to address these limitations. This paper presents a pilot test to evaluate the OWVS functional performance during walking and stair descent...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28207840/using-the-hephaistos-orthotic-device-to-study-countermeasure-effectiveness-of-neuromuscular-electrical-stimulation-and-dietary-lupin-protein-supplementation-a-randomised-controlled-trial
#8
Jochen Zange, Kathrin Schopen, Kirsten Albracht, Darius A Gerlach, Petra Frings-Meuthen, Nicola A Maffiuletti, Wilhelm Bloch, Jörn Rittweger
PURPOSE: The present study investigated whether neuromuscular electrical stimulation for 20 min twice a day with an electrode placed over the soleus muscle and nutritional supplementation with 19 g of protein rich lupin seeds can reduce the loss in volume and strength of the human calf musculature during long term unloading by wearing an orthotic unloading device. METHODS: Thirteen healthy male subjects (age of 26.4 ± 3.7 years) wore a Hephaistos orthosis one leg for 60 days during all habitual activities...
2017: PloS One
https://www.readbyqxmd.com/read/28174604/challenging-the-foundations-of-the-clinical-model-of-foot-function-further-evidence-that-the-root-model-assessments-fail-to-appropriately-classify-foot-function
#9
Hannah L Jarvis, Christopher J Nester, Peter D Bowden, Richard K Jones
BACKGROUND: The Root model of normal and abnormal foot function remains the basis for clinical foot orthotic practice globally. Our aim was to investigate the relationship between foot deformities and kinematic compensations that are the foundations of the model. METHODS: A convenience sample of 140 were screened and 100 symptom free participants aged 18-45 years were invited to participate. The static biomechanical assessment described by the Root model was used to identify five foot deformities...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28088382/functional-electrical-stimulation-for-foot-drop-in-multiple-sclerosis-a-systematic-review-and-meta-analysis-of-the-effect-on-gait-speed
#10
REVIEW
Linda Miller, Angus McFadyen, Anna C Lord, Rebecca Hunter, Lorna Paul, Danny Rafferty, Roy Bowers, Paul Mattison
OBJECTIVE: To review the efficacy of functional electrical stimulation (FES) used for foot drop in people with multiple sclerosis (pwMS) on gait speed in short and long walking performance tests. DATA SOURCES: Five databases (Cochrane Library, CINAHL, Embase, MEDLINE, and PubMed) and reference lists were searched. STUDY SELECTION: Studies of both observational and experimental design where gait speed data in pwMS could be extracted were included...
January 11, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28050536/functional-and-clinical-results-achieved-in-congenital-clubfoot-patients-treated-by-ponseti-s-technique
#11
Pedro Augusto Jaqueto, Guilherme Salgado Martins, Fernando Saddi Mennucci, Cintia Kelly Bittar, José Luís Amim Zabeu
OBJECTIVES: To analyze and evaluate functional and clinical results in patients with congenital clubfoot treated with Ponseti's technique. METHODS: This study evaluated 31 patients diagnosed with 51 congenital clubfeet, treated between April 2006 and September 2011 with Ponseti's technique. The patients who did not achieve an equinus correction with manipulation were treated with Achilles tenotomy. An anterior tibial tendon transfer was performed in patients who maintained residual adduction...
November 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/27982715/the-effect-of-footwear-adapted-with-a-multi-curved-rocker-sole-in-conjunction-with-knee-ankle-foot-orthoses-on-walking-in-poliomyelitis-subjects-a-pilot-study
#12
Ali Mojaver, Mokhtar Arazpour, Gholamreza Aminian, Monireh Ahmadi Bani, Mahmood Bahramizadeh, Guive Sharifi, Arash Sherafatvaziri
BACKGROUND: Knee-ankle-foot orthoses (KAFOs) are used by people with poliomyelitis to ambulate. Whist advances in orthotic knee joint designs for use in KAFOs such the provision of stance control capability have proven efficacy, little attention has been paid to shoe adaptations which may also improve gait. AIM: The aim of this study was to evaluate the alteration to the kinematics and temporal-spatial parameters of gait caused by the use of heel-to-toe rocker-soled footwear when ambulating with KAFOs...
December 16, 2016: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/27927029/measuring-wearing-time-of-knee-ankle-foot-orthoses-in-children-with-cerebral-palsy-comparison-of-parent-report-and-objective-measurement
#13
Josina C Maas, Annet J Dallmeijer, Bodil Y Oudshoorn, Eline A M Bolster, Peter A Huijing, Richard T Jaspers, Jules G Becher
Purpose state: Orthotic wearing time may be an important confounder in efficacy studies of treatment in children with spastic cerebral palsy (SCP). Most studies measure parent-reported wearing time (WTparent) with questionnaires, but it is questionable whether this yields valid results. This study aims to compare WTparent with objectively measured wearing time (WTobj) in children with SCP receiving orthotic treatment. METHOD: Eight children with SCP participated in this observational study...
December 7, 2016: Disability and Rehabilitation
https://www.readbyqxmd.com/read/27861211/what-s-new-in-the-management-of-foot-deformities-in-children-with-cerebral-palsy
#14
John A Heydemann, Oussama Abousamra, Jeanne M Franzone, Brian E Kaufman, Julieanne P Sees
BACKGROUND: Foot deformities have been frequently reported in cerebral palsy (CP), and numerous diagnostic modalities and treatment options have recently been developed to achieve a better level of management for children with CP. METHODS: A thorough search of the English literature, published between January 2013 and March 2016, was performed. A summary of the new findings that had not previously described was reported. The review included recent advances regarding clinical and gait evaluation, orthotic management, botulinum toxin A treatment, and surgical correction...
November 17, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/27849466/descriptive-characteristics-and-amputation-rates-with-use-of-intrepid-dynamic-exoskeleton-orthosis
#15
Owen Hill, Lakmini Bulathsinhala, Susan L Eskridge, Kimberly Quinn, Daniel J Stinner
Advancements in ankle-foot orthotic devices, such as the Intrepid Dynamic Exoskeletal Orthosis (IDEO), are designed to improve function and reduce pain of the injured lower extremity. There is a paucity of research detailing the demographics, injury patterns and amputation outcomes of patients who have been prescribed an IDEO. The purpose of this study was to describe the demographics, presenting diagnosis and patterns of amputation in patients prescribed an IDEO at the Center for the Intrepid (CFI). The study population was comprised of 624 service members who were treated at the CFI and prescribed an IDEO between 2009 and 2014...
November 2016: Military Medicine
https://www.readbyqxmd.com/read/27824657/effect-of-footwear-on-joint-pain-and-function-in-older-adults-with-lower-extremity-osteoarthritis
#16
Amy Wagner, Sarah Luna
BACKGROUND AND PURPOSE: Lower extremity osteoarthritis (OA) is a common condition among older adults; given the risks of surgical and pharmaceutical interventions, conservative, lower-cost management options such as footwear warrant further investigation. This systematic review investigated the effects of footwear, including shoe inserts, in reducing lower extremity joint pain and improving gait, mobility, and quality of life in older adults with OA. METHODS: The CINAHL, SPORTDiscus, PubMed, RECAL, and Web of Knowledge databases were searched for publications from January 1990 to September 2014, using the terms "footwear," "shoes," "gait," "pain," and "older adult...
November 7, 2016: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/27744106/high-compared-to-low-arched-athletes-exhibit-smaller-knee-abduction-moments-in-walking-and-running
#17
Douglas W Powell, Samantha Andrews, Cris Stickley, D S Blaise Williams
High- (HA) and low-arched athletes (LA) experience distinct injury patterns. These injuries are the result of the interaction of structure and biomechanics. A suggested mechanism of patellofemoral pain pertains to frontal plane knee moments which may be exaggerated in LA athletes. We hypothesize that LA athletes will exhibit greater peak knee abduction moments than high-arched athletes. METHODS: Twenty healthy female recreational athletes (10HA and 10LA) performed five over-ground barefoot walking and five barefoot running trials at a self-selected velocity while three-dimensional kinematics and ground reaction forces were recorded...
December 2016: Human Movement Science
https://www.readbyqxmd.com/read/27627777/-charcot-arthropathy-and-diabetic-foot
#18
E López-Gavito, P Parra-Téllez, J Vázquez-Escamilla
Diabetes mellitus is a major chronic degenerative disease, which currently is taking on alarming proportions in the population of our country. Neuropathic arthropathy is one of the most interesting degenerative joint disorders and increasingly common within the orthopedic pathology. It is defined as a progressive degenerative arthropathy, chronic and affecting one or more peripheral joints, and develops as a result of the lack of sensory perception normal in the innervation of joints. As a result the joints of the feet are subjected to trauma and repetitive injury causing a neurotraumatic effect with progressive damage to the joints of the hindfoot, midfoot and forefoot...
January 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/27619191/combined-ankle-foot-energetics-are-conserved-when-distal-foot-energy-absorption-is-minimized
#19
Elisa S Arch, Bretta L Fylstra
The large, late-stance energy generated by the ankle is believed to be critical during gait. However, the distal foot absorbs/dissipates a considerable amount of energy during the same phase. Thus, the energy generated by the combined ankle-foot system is more modest, which raises questions regarding the necessity of such a large ankle power and the interplay between foot and ankle energetics. This study aimed to evaluate our conservation of energy hypothesis, which predicted if distal foot energy absorption/dissipation was reduced, then less energy would be generated at the ankle and thus the same combined ankle-foot energetics would be achieved...
December 2016: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/27613590/gastrocnemius-operating-length-with-ankle-foot-orthoses-in-cerebral-palsy
#20
Hwan Choi, Tishya Anne Leong Wren, Katherine Muterspaugh Steele
BACKGROUND: Many individuals with cerebral palsy wear ankle foot orthoses during daily life. Orthoses influence joint motion, but how they impact muscle remains unclear. In particular, the gastrocnemius is commonly stiff in cerebral palsy. Understanding whether orthoses stretch or shorten this muscle during daily life may inform orthosis design and rehabilitation. OBJECTIVES: This study investigated the impact of different ankle foot orthoses on gastrocnemius operating length during walking in children with cerebral palsy...
September 9, 2016: Prosthetics and Orthotics International
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