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https://www.readbyqxmd.com/read/27914920/can-lowering-the-guidance-force-of-robot-assisted-gait-training-induce-a-sufficient-metabolic-demand-in-subacute-dependent-ambulatory-stroke-patients
#1
So Young Lee, Eun Young Han, Bo Ryun Kim, Min Ho Chun, Yong Ki Lee
OBJECTIVE: To assess the effects of guidance force (GF) and gait speed (GS) on cardiorespiratory responses and energy cost in subacute dependent ambulatory stroke patients. DESIGN: Cross sectional study. SETTING: University rehabilitation hospital. PARTICIPANTS: Ten subacute stroke patients (mean age: 64.50±19.20), who were dependent ambulators (functional ambulation category [FAC] ≤2). INTERVENTIONS: Patients participated in cardiorespiratory tests during robot-assisted gait training...
November 30, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27904240/effectiveness-of-exercise-on-functional-mobility-in-adults-with-cerebral-palsy-a-systematic-review
#2
Hillary Lawrence, Sara Hills, Nicole Kline, Kyra Weems, Antonette Doty
Purpose: We identified evidence evaluating the effect of exercise on functional mobility in adults (aged 18 y or older) with cerebral palsy (CP). Method: An exhaustive search was conducted using the electronic databases PubMed, MEDLINE, CINAHL, PsycINFO, SPORTDiscus, and Cochrane Database of Systematic Reviews from the earliest available evidence (1975) to the present (January 2016) for studies whose participants were ambulatory adults with CP receiving conservative treatment to address functional mobility limitations...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27903873/timing-of-head-movements-is-consistent-with-energy-minimization-in-walking-ungulates
#3
David M Loscher, Fiete Meyer, Kerstin Kracht, John A Nyakatura
Many ungulates show a conspicuous nodding motion of the head when walking. Until now, the functional significance of this behaviour remained unclear. Combining in vivo kinematics of quadrupedal mammals with a computer model, we show that the timing of vertical displacements of the head and neck is consistent with minimizing energy expenditure for carrying these body parts in an inverted pendulum walking gait. Varying the timing of head movements in the model resulted in increased metabolic cost estimate for carrying the head and neck of up to 63%...
November 30, 2016: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/27898852/horse-species-symposium-biomechanics-of-the-exercising-horse
#4
Hilary M Clayton
In spite of having large height and body mass, horses are cursorial animals with an extensive gait repertoire and considerable athletic abilities. The limbs have evolved so that the heavy musculature is confined to the proximal limbs while the distal limbs are light in weight with a single functional digit and long, lightweight tendons to move and support the distal joints. These adaptations reduce the moment of inertia and decrease the energy expended to protract and retract the limbs during locomotion. There is a division of labor between the forelimbs, which have a pillar-like construction specialized for weight bearing, and the hind limbs, in which the more angulated joints provide leverage for the generation of propulsion...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27890709/role-of-major-and-brain-specific-sgce-isoforms-in-the-pathogenesis-of-myoclonus-dystonia-syndrome
#5
Jianfeng Xiao, Satya R Vemula, Yi Xue, Mohammad M Khan, Francesca A Carlisle, Adrian J Waite, Derek J Blake, Ioannis Dragatsis, Yu Zhao, Mark S LeDoux
Loss-of-function mutations in SGCE, which encodes ε-sarcoglycan (ε-SG), cause myoclonus-dystonia syndrome (OMIM159900, DYT11). A "major" ε-SG protein derived from CCDS5637.1 (NM_003919.2) and a "brain-specific" protein, that includes sequence derived from alternative exon 11b (CCDS47642.1, NM_001099400.1), are reportedly localized in post- and pre-synaptic membrane fractions, respectively. Moreover, deficiency of the "brain-specific" isoform and other isoforms derived from exon 11b may be central to the pathogenesis of DYT11...
November 24, 2016: Neurobiology of Disease
https://www.readbyqxmd.com/read/27845667/walking-with-a-backpack-using-load-distribution-and-dynamic-load-compensation-reduces-metabolic-cost-and-adaptations-to-loads
#6
Joon-Hyuk Park, Paul Stegall, Haohan Zhang, Sunil Agrawal
In this study, we showed a way of reducing the metabolic cost of walking with a backpack using load distribution and dynamic load compensation, provided by a wearable upper body device. This device distributes the backpack load between the shoulders and the pelvis, senses the vertical motion of the pelvis, and provides gait synchronized compensatory forces to reduce the dynamic loads from a backpack. It was hypothesized that by reducing dynamic loads from a backpack during load carriage, the users gait and postural adaptation, muscular effort and metabolic cost would be reduced...
November 9, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/27843743/comparison-of-a-robotic-assisted-gait-training-program-with-a-program-of-functional-gait-training-for-children-with-cerebral-palsy-design-and-methods-of-a-two-group-randomized-controlled-cross-over-trial
#7
Alicia J Hilderley, Darcy Fehlings, Gloria W Lee, F Virginia Wright
BACKGROUND: Enhancement of functional ambulation is a key goal of rehabilitation for children with cerebral palsy (CP) who experience gross motor impairment. Physiotherapy (PT) approaches often involve overground and treadmill-based gait training to promote motor learning, typically as free walking or with body-weight support. Robotic-assisted gait training (RAGT), using a device such as the Lokomat(®)Pro, may permit longer training duration, faster and more variable gait speeds, and support walking pattern guidance more than overground/treadmill training to further capitalize on motor learning principles...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27842562/locomotor-training-through-a-novel-robotic-platform-for-gait-rehabilitation-in-pediatric-population-short-report
#8
C Bayón, S Lerma, O Ramírez, J I Serrano, M D Del Castillo, R Raya, J M Belda-Lois, I Martínez, E Rocon
BACKGROUND: Cerebral Palsy (CP) is a disorder of posture and movement due to a defect in the immature brain. The use of robotic devices as alternative treatment to improve the gait function in patients with CP has increased. Nevertheless, current gait trainers are focused on controlling complete joint trajectories, avoiding postural control and the adaptation of the therapy to a specific patient. This paper presents the applicability of a new robotic platform called CPWalker in children with spastic diplegia...
November 14, 2016: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/27836308/targeting-the-underlying-causes-of-undernutrition-cost-effectiveness-of-a-multifactorial-personalized-intervention-in-community-dwelling-older-adults-a-randomized-controlled-trial
#9
Rachel van der Pols-Vijlbrief, Hanneke A H Wijnhoven, Judith E Bosmans, Jos W R Twisk, Marjolein Visser
BACKGROUND & AIMS: Undernutrition in old age is associated with increased morbidity, mortality and health care costs. Treatment by caloric supplementation results in weight gain, but compliance is poor in the long run. Few studies targeted underlying causes of undernutrition in community-dwelling older adults. This study aimed to evaluate the cost-effectiveness of a multifactorial personalized intervention focused on eliminating or managing the underlying causes of undernutrition to prevent and reduce undernutrition in comparison with usual care...
October 15, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27802332/anti-arthritic-activity-of-schistosoma-mansoni-and-trichinella-spiralis-derived-antigens-in-adjuvant-arthritis-in-rats-role-of-foxp3-treg-cells
#10
Maha M Eissa, Dalia K Mostafa, Amany A Ghazy, Mervat Z El Azzouni, Laila M Boulos, Layla K Younis
A growing body of evidence supports the concept of helminths therapy in a variety of autoimmune diseases. Here, we aimed to investigate the protective effects of autoclaved Schistosoma mansoni antigen (ASMA) and Trichinella spiralis antigen (ATSA) on the clinical and immunopathological features of rheumatoid arthritis (RA). Adjuvant arthritis was induced by subcutaneous and intradermal injections of complete Freund's adjuvant into the plantar surface of the right hind paw and the root of the tail, respectively...
2016: PloS One
https://www.readbyqxmd.com/read/27780769/effect-of-backpack-strap-patterns-on-gait-parameters-in-young-adults-at-self-selected-normal-and-fast-walking-speeds
#11
Ukachukwu Okoroafor Abaraogu, Wisdom Onyedikachi Ugwa, Osita Nnodim, Elochukwu Fortune Ezenwankwo
BACKGROUND: The effects of backpack load on young adults' gait parameters have received little attention. We previously reported that with a backpack load within 15% body weight, young adults maintain their gait parameters at the expense of increased exertion during a 6-minute walk at self-selected normal walking speed. However, the effect of backpack strap pattern on gait parameters during faster walking or longer stride length has not been evaluated. OBJECTIVE: To determine the effect of different backpack strap patterns on gait parameters during a 12-minute walk test in young adults at self-selected normal and fast walking speeds...
October 22, 2016: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/27764120/exploring-the-use-of-non-image-based-ultrasound-to-detect-the-position-of-the-residual-femur-within-a-stump
#12
Sook-Yee Chong, Oliver Röhrle
A satisfactorily fitted socket interacts dynamically with the stump in order to support body weight, transmit load effectively, enhance dynamic stability, and enable the control and stabilization of the residual limb. The internal dynamics occurring within a socket is important in determining optimal fit. Many measurement and imaging techniques, such as X-rays, have been utilized to investigate the movement of the residual femur within the stump during gait. However, due to associated health risks and costs, none of the current techniques have been extended to clinical prosthetics...
2016: PloS One
https://www.readbyqxmd.com/read/27762641/the-immediate-effects-of-robot-assistance-on-energy-consumption-and-cardiorespiratory-load-during-walking-compared-to-walking-without-robot-assistance-a-systematic-review
#13
Nina Lefeber, Eva Swinnen, Eric Kerckhofs
PURPOSE: The integration of sufficient cardiovascular stress into robot-assisted gait (RAG) training could combine the benefits of both RAG and aerobic training. The aim was to summarize literature data on the immediate effects of RAG compared to walking without robot-assistance on metabolic-, cardiorespiratory- and fatigue-related parameters. METHODS: PubMed and Web of Science were searched for eligible articles till February 2016. Means, SDs and significance values were extracted...
October 20, 2016: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/27744249/effects-of-belt-speed-on-the-body-s-center-of-mass-motion-relative-to-the-center-of-pressure-during-treadmill-walking
#14
Hsuan-Lun Lu, Tung-Wu Lu, Hsiu-Chen Lin, Hong-Jung Hsieh, Wing P Chan
Treadmills are often used in clinical settings to improve walking balance control in patients with gait impairments. However, knowledge of the effects of belt speed on balance control remains incomplete. The current study determined such effects in terms of inclination angles (IA) and the rate of change (RCIA) of the center of mass (COM) motion relative to the center of pressure (COP) in twelve healthy adults at five belt speeds, including the subjects' preferred walking speed (PWS), as measured using a motion capture system and an instrumented treadmill...
January 2017: Gait & Posture
https://www.readbyqxmd.com/read/27697719/medial-lateral-centre-of-mass-displacement-and-base-of-support-are-equally-good-predictors-of-metabolic-cost-in-amputee-walking
#15
R A Weinert-Aplin, M Twiste, H L Jarvis, A N Bennett, R J Baker
Amputees are known to walk with greater metabolic cost than able-bodied individuals and establishing predictors of metabolic cost from kinematic measures, such as centre of mass (CoM) motion, during walking are important from a rehabilitative perspective, as they can provide quantifiable measures to target during gait rehabilitation in amputees. While it is known that vertical CoM motion poorly predicts metabolic cost, CoM motion in the medial-lateral (ML) and anterior-posterior directions have not been investigated in the context of gait efficiency in the amputee population...
January 2017: Gait & Posture
https://www.readbyqxmd.com/read/27690285/individual-joint-contribution-to-body-weight-support-in-the-affected-lower-limb-during-walking-in-post-stroke-hemiplegia
#16
Woo-Sub Kim, Min Joo Kim
OBJECTIVE: Patients with post-stroke hemiplegia have difficulty with body weight support during walking. However, it is unclear which intra-limb strategy for body weight support tends to predominate, and how the intra-limb strategy is related to gait function. Support moment and individual joint contribution to support moment are the parameters that reflect intra-limb strategy for body weight supporting. The aim of this study was to test whether support moment and individual joint contributions differed between post-stroke subjects with different gait function...
August 12, 2016: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/27686534/sit-to-stand-lift-effects-of-lifted-height-on-weight-borne-and-upper-extremity-strength-requirements
#17
Ruoliang Tang, Maggie Poklar, Hilary Domke, Stephanie Moore, Jay Kapellusch, Arun Garg
To prevent back and shoulder injuries to nursing personnel, sit-to-stand lifts are used to transfer partial-weight-bearing patients with upper extremity strength. However, the weight-bearing capacity and upper extremity strength required of patients have not been defined. The objectives of this study were to determine: (a) the percentage of body weight borne by the patient when lifted to different heights in the lift and (b) whether a patient needs upper extremity strength. Nineteen healthy normal-weight volunteers (ages 19-39) were transferred from a hospital bed to a wheelchair using (a) a gait belt and (b) a sit-to-stand lift...
September 30, 2016: Research in Nursing & Health
https://www.readbyqxmd.com/read/27677026/utilization-of-robo-k-for-improving-walking-and-balance-in-patients-affected-by-neurological-injuries-a-preliminary-study
#18
Katell Denis, Florian Bidet, Jerome Egault, Arnaud Gautier, Pauline Coignard, Katel Rinfray, Marie-Lise Peuziat, Jean-Paul Departe, Jean-Luc Le-Guiet, Nolwenn Morisset, Nathalie Pichot, Isabelle Bonan
OBJECTIVE: Robotic systems allow to initiate and facilitate the implementation of a movement executed by the patient. The objective was to test the interest of an innovative gait robot. MATERIALS/PATIENTS AND METHODS: Eighteen patients 53.6 (±11.1) years aged, with a functional ambulation category (FAC) 0 to 5, followed 3 sessions of 45min/week with the mobile robot with body weight support during 4 weeks while maintaining conventional physiotherapy sessions. This evolutionary robot provides, in stationary mode balance training safely through suspension, and in mobile mode gait training according to various trajectories...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27649512/effects-of-load-carriage-and-footwear-on-lower-extremity-kinetics-and-kinematics-during-overground-walking
#19
Kevin D Dames, Jeremy D Smith
Kinetic and kinematic responses during walking vary by footwear condition. Load carriage also influences gait patterns, but it is unclear how an external load influences barefoot walking. Twelve healthy adults (5 women, 7 men) with no known gait abnormalities participated in this study (age=23±3years, height=1.73±0.11m, and mass=70.90±12.67kg). Ground reaction forces and 3D motion were simultaneously collected during overground walking at 1.5ms(-1) in four conditions: Barefoot Unloaded, Shod Unloaded, Barefoot Loaded, and Shod Loaded...
September 11, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27439972/impacts-of-work-boots-and-load-carriage-on-the-gait-of-oil-rig-workers
#20
Miao Tian, Huiju Park, Heekwang Koo, Qinwen Xu, Jun Li
Effects of work boots and load carriage (6.4 kg and 12.8 kg) on gait pattern were investigated. The protective work boots was examined by compared to running shoes through human performance tests with fifteen male participants. The loads were carried symmetrically and asymmetrically on shoulder and hand. Statistical data analysis shows the prolonged stance phase and decreased double support for work boots. A significantly increased ground reaction force was found in work boots conditions as the weight of loads increases...
July 21, 2016: International Journal of Occupational Safety and Ergonomics: JOSE
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