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https://www.readbyqxmd.com/read/28340371/walking-adaptability-assessments-with-the-interactive-walkway-between-systems-agreement-and-sensitivity-to-task-and-subject-variations
#1
Daphne J Geerse, Bert H Coolen, Melvyn Roerdink
The ability to adapt walking to environmental circumstances is an important aspect of walking, yet difficult to assess. The Interactive Walkway was developed to assess walking adaptability by augmenting a multi-Kinect-v2 10-m walkway with gait-dependent visual context (stepping targets, obstacles) using real-time processed markerless full-body kinematics. In this study we determined Interactive Walkway's usability for walking-adaptability assessments in terms of between-systems agreement and sensitivity to task and subject variations...
March 2, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28340130/falling-down-on-the-job-evaluation-and-treatment-of-fall-risk-among-older-adults-with-upper-extremity-fragility-fractures
#2
Christine M McDonough, Carrie H Colla, Donald Carmichael, Anna N A Tosteson, Tor D Tosteson, John-Erik Bell, Robert V Cantu, Jonathan D Lurie, Julie P W Bynum
Background: Clinical practice guidelines recommend fall risk assessment and intervention for older adults who sustain a fall-related injury to prevent future injury and mobility decline. Objective: To describe how often Medicare beneficiaries with upper extremity fracture receive evaluation and treatment for fall risk. Design: Observational cohort. Methods Subjects: Fee-for-service beneficiaries age 66 to 99 treated as outpatients for proximal humerus or distal radius/ulna ("wrist") fragility fractures were studied using Carrier and Outpatient Hospital files...
March 2, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28339904/validity-of-different-activity-monitors-to-count-steps-in-an-inpatient-rehabilitation-setting
#3
Daniel Treacy, Leanne Hassett, Karl Schurr, Sakina Chagpar, Serene S Paul, Catherine Sherrington
Background: Commonly used activity monitors have been shown to be accurate in counting steps in active people, however, further validation is needed in slower walking populations. Objectives: To determine the validity of activity monitors for measuring step counts in rehabilitation inpatients compared to visually-observed step counts. To explore the influence of gait parameters, activity monitor position and use of walkers on activity monitor accuracy. Methods: 166 inpatients admitted to a rehabilitation unit with an average walking speed of 0...
March 2, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28339828/single-session-of-functional-electrical-stimulation-assisted-walking-produces-corticomotor-symmetry-changes-related-to-changes-in-poststroke-walking-mechanics
#4
Jacqueline A Palmer, HaoYuan Hsiao, Tamara Wright, Stuart A Binder-Macleod
Background: Recent research demonstrated that symmetry of corticomotor drive to paretic and nonparetic plantarflexor muscles are related to the biomechanical ankle moment strategy that individuals with chronic stroke used to achieve their greatest walking speeds. Rehabilitation strategies that promote corticomotor balance could potentially improve post-stroke walking mechanics and enhance functional ambulation. Objective: To 1) test the effectiveness of a single session of gait training using functional electrical stimulation (FES) to improve plantarflexor corticomotor symmetry and plantarflexion ankle moment symmetry and 2) determine if changes in corticomotor symmetry relate to changes in ankle moment symmetry within the session...
February 23, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28339793/lameness-assessment-with-automatic-monitoring-of-activity-in-commercial-broiler-flocks
#5
A M Silvera, T G Knowles, A Butterworth, D Berckmans, E Vranken, H J Blokhuis
The possibility of using automatic recordings of broiler chicken activity in commercial flocks to assess the birds΄ walking ability (lameness) was investigated. Data were collected from 5 commercial broiler farms in 4 European countries, using 16 flocks and 33 assessment occasions. Lameness was assessed using established gait scoring methods (Kestin et al., 1992; Welfare Quality®, 2009) and took place at 3, 4, and 5 wk of age. Gait score (GS) was used to assess the birds' walking ability, and automatic recordings of bird activity were collected using the eYeNamic™ camera system before, during, and after an assessor walked through the house...
February 23, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339774/genetic-basis-of-leg-health-and-its-relationship-with-body-weight-in-purebred-turkey-lines
#6
D N R G Kapell, P M Hocking, P K Glover, V D Kremer, S Avendaño
The aims of this study were to estimate the genetic parameters for leg and foot health and mobility in purebred turkey lines and their genetic correlations with BW. Traits were gait score (GS) as an overall measure of leg health, footpad dermatitis (FPD), and 2 skeletal leg health traits, namely, valgus and varus deformities (VVD) and tibial dyschondroplasia (TD). Data from 4 different lines, comprising 3 yr of phenotypic records and 4 yr of pedigree information per line, were used. The sex average BW for the lines at 18 wk ranged from 19...
February 23, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339770/characterization-of-indigenous-aseel-chicken-breed-for-morphological-growth-production-and-meat-composition-traits-from-india
#7
U Rajkumar, S Haunshi, C Paswan, M V L N Raju, S V Rama Rao, R N Chatterjee
Aseel is an important native chicken breed of India, known for its martial qualities (aggressive fighting abilities), pugnacity, and majestic gait. The aim of the study is to conserve and characterize the Aseel germplasm, which is considered to be endangered. The birds were maintained on deep litter under a simulated backyard type of housing having night shelter and a free-range area. A total of 313 chicks produced in the second generation from the flock collected from native tract in Andhra Pradesh was characterized for morphological, growth, production, and meat quality parameters...
February 23, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339477/six-degree-of-freedom-knee-joint-kinematics-in-obese-individuals-with-knee-pain-during-gait
#8
Jing-Sheng Li, Tsung-Yuan Tsai, David T Felson, Guoan Li, Cara L Lewis
Knee joint pain is a common symptom in obese individuals and walking is often prescribed as part of management programs. Past studies in obese individuals have focused on standing alignment and kinematics in the sagittal and coronal planes. Investigation of 6 degree-of-freedom (6DOF) knee joint kinematics during standing and gait is important to thoroughly understand knee function in obese individuals with knee pain. This study aimed to investigate the 6DOF knee joint kinematics in standing and during gait in obese patients using a validated fluoroscopic imaging system...
2017: PloS One
https://www.readbyqxmd.com/read/28335042/acute-sensory-neuronopathy-following-enterovirus-infection-in-a-3-year-old-girl
#9
Chih-Chin Chiu, Chen-Ya Yang, Tsui-Fen Yang, Kon-Ping Lin, Shou-Hsien Huang, Jia-Chi Wang
Acute sensory neuronopathy (SNN) is a rapidly developing peripheral nervous system disease that primarily affects sensory neurons in the dorsal root ganglion or trigeminal ganglion, leading to the impairment of sensory axons. SNN is notably uncommon in childhood; only three cases of childhood or adolescent SNN have been reported to date. Moreover, SSN has never been reported in association with enterovirus infection. Here, we report the case of a 3-year-old girl who was initially diagnosed with enterovirus infection based on the presentation of fevers, rashes on all extremities, and ulceration over the posterior pharynx...
March 23, 2017: Neuropediatrics
https://www.readbyqxmd.com/read/28334701/regentk-improves-the-gait-mechanics-of-patients-with-acute-anterior-cruciate-ligament-rupture-immediately-after-application-clinical-trial
#10
Michael Ofner, Gerda Strutzenberger, Nathalie Alexander, Andreas Kastner, Hermann Schwameder
No abstract text is available yet for this article.
March 24, 2017: Complement Med Res
https://www.readbyqxmd.com/read/28333648/mobile-stride-length-estimation-with-deep-convolutional-neural-networks
#11
Julius Hannink, Thomas Kautz, Cristian Pasluosta, Jens Barth, Samuel Schulein, Karl-Gunter Gassmann, Jochen Klucken, Bjoern Eskofier
OBJECTIVE: Accurate estimation of spatial gait characteristics is critical to assess motor impairments resulting from neurological or musculoskeletal disease. Currently, however, methodological constraints limit clinical applicability of state-ofthe- art double integration approaches to gait patterns with a clear zero-velocity phase. METHODS: We describe a novel approach to stride length estimation that uses deep convolutional neural networks to map stride-specific inertial sensor data to the resulting stride length...
March 9, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28332620/novel-model-of-tendon-regeneration-reveals-distinct-cell-mechanisms-underlying-regenerative-and-fibrotic-tendon-healing
#12
Kristen Howell, Chun Chien, Rebecca Bell, Damien Laudier, Sara F Tufa, Douglas R Keene, Nelly Andarawis-Puri, Alice H Huang
To date, the cell and molecular mechanisms regulating tendon healing are poorly understood. Here, we establish a novel model of tendon regeneration using neonatal mice and show that neonates heal via formation of a 'neo-tendon' that differentiates along the tendon specific lineage with functional restoration of gait and mechanical properties. In contrast, adults heal via fibrovascular scar, aberrant differentiation toward cartilage and bone, with persistently impaired function. Lineage tracing identified intrinsic recruitment of Scx-lineage cells as a key cellular mechanism of neonatal healing that is absent in adults...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28332604/phenotype-of-postural-instability-gait-difficulty-in-parkinson-disease-relevance-to-cognitive-impairment-and-mechanism-relating-pathological-proteins-and-neurotransmitters
#13
Li-Jun Zuo, Ying-Shan Piao, Li-Xia Li, Shu-Yang Yu, Peng Guo, Yang Hu, Teng-Hong Lian, Rui-Dan Wang, Qiu-Jin Yu, Zhao Jin, Ya-Jie Wang, Xiao-Min Wang, Piu Chan, Sheng-Di Chen, Yong-Jun Wang, Wei Zhang
Parkinson disease (PD) is identified as tremor-dominant (TD) and postural instability and gait difficulty (PIGD) phenotypes. The relationships between motor phenotypes and cognitive impairment and the underlying mechanisms relating pathological proteins and neurotransmitters in cerebrospinal fluid (CSF) are unknown. We evaluated the motor symptoms and cognitive function by scales, and detected the levels of pathological proteins and neurotransmitters in CSF. TD group and PIGD group had significantly higher levels of total tau, tau phosphorylated at the position of threonine 181(P-tau181t), threonine 231, serine 396, serine 199 and lower β amyloid (Aβ)1-42 level in CSF than those in control group; PIGD group had significantly higher P-tau181t level and lower Aβ1-42 level than those in TD group...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28332444/a-functional-electrical-stimulation-system-for-human-walking-inspired-by-reflexive-control-principles
#14
Lin Meng, Bernd Porr, Catherine A Macleod, Henrik Gollee
This study presents an innovative multichannel functional electrical stimulation gait-assist system which employs a well-established purely reflexive control algorithm, previously tested in a series of bipedal walking robots. In these robots, ground contact information was used to activate motors in the legs, generating a gait cycle similar to that of humans. Rather than developing a sophisticated closed-loop functional electrical stimulation control strategy for stepping, we have instead utilised our simple reflexive model where muscle activation is induced through transfer functions which translate sensory signals, predominantly ground contact information, into motor actions...
April 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/28332310/arboreal-locomotion-in-eurasian-harvest-mice-micromys-minutus-rodentia-muridae-the-gaits-of-small-mammals
#15
Nikolaos-Evangelos Karantanis, Leszek Rychlik, Anthony Herrel, Dionisios Youlatos
Body size imposes significant constraints on arboreal locomotion. Despite the wealth of research in larger arboreal mammals, there is a lack of data on arboreal gaits of small mammals. In this context, the present study explores arboreal locomotion in one of the smallest rodents, the Eurasian harvest mice Micromys minutus (∼10 g). We examined gait metrics (i.e., diagonality, duty factor [DF], DF index, velocity, stride length, and stride frequency) of six adult male mice on simulated arboreal substrates of different sizes (2, 5, 10, and 25 mm) and inclinations (0(0) and 45(0) )...
March 23, 2017: Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology
https://www.readbyqxmd.com/read/28332069/dairy-cows-change-locomotion-score-and-sensitivity-to-pain-with-trimming-and-infectious-or-non-infectious-lesions
#16
L T Passos, E A da Cruz, V Fischer, G C da Porciuncula, D Werncke, A G C Dalto, M T Stumpf, E F Vizzotto, I D B da Silveira
Lameness can negatively affect production, but there is still controversy about the perception of pain in dairy cows. This study aimed to verify the effects of hoof affections in dairy cows on locomotion score, physiological attributes, pressure nociceptive threshold, and thermographic variables, as well as assess improvement on these variables after corrective trimming and treatment. Thirty-four lame lactating cows were gait-scored, and all cows with locomotion score ≥4 were retained for this study 1 day before trimming...
March 22, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28331638/effect-on-gait-speed-balance-motor-symptom-rating-and-quality-of-life-in-those-with-stage-i-parkinson-s-disease-utilizing-lsvt-big%C3%A2
#17
Beth Millage, Erin Vesey, Marsha Finkelstein, Mattie Anheluk
Individuals with Parkinson's Disease (PD) are often not referred to Physical Therapy (PT) until there are issues with mobility in later Hoehn and Yahr Stages. There have been no studies outlining the benefits of PT intervention in Stage I only. For persons with PD, deficits in motor function increase over time due to destruction of dopamine-producing cells. LSVT BIG, an exercise program for PD, has been shown to be effective in improving mobility. The purpose of this study was to assess participants functional improvement at a level of minimal clinically important difference (MCID) in one of four outcome measures: Gait Speed, Berg Balance Assessment, Functional Gait Assessment, and Unified Parkinson's Disease Rating Scale Motor Section...
2017: Rehabilitation Research and Practice
https://www.readbyqxmd.com/read/28331259/long-term-follow-up-on-the-donor-foot-after-thumb-reconstruction-using-big-toe-wrap-around-flap-in-two-different-operation-methods
#18
Zhi-Guo Ma, Yong-Jun Guo, Hou-Jun Yan, Qi-Ming Li, Bin Ma
The function of the donor foot has been affected after using big toe wrap-around flap for thumb reconstruction. A modified operation method has been developed to reduce the adverse effect on the donor foot. The current study compared the long-term effect of the classic and the modified operation methods on the donor foot. Gait analysis was carried out, including how the patient walked, the walking speed and walking distance, and how the patient jumped and ran. Plantar pressure was measured while the patient was standing and moving...
February 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28330963/decrease-in-a%C3%AE-42-predicts-dopa-resistant-gait-progression-in-early-parkinson-disease
#19
Lynn Rochester, Brook Galna, Sue Lord, Alison J Yarnall, Rosie Morris, Gordon Duncan, Tien K Khoo, Brit Mollenhauer, David J Burn
OBJECTIVE: This prospective observational study investigates the role of CSF biomarkers in predicting progression of dopa-resistant gait impairments in Parkinson disease (PD) in the first 36 months from diagnosis. METHODS: Quantitative gait analysis was carried out longitudinally using an instrumented walkway (GAITRite) in 108 people with PD and 130 age-matched controls. A subgroup of 44 people with PD underwent lumbar puncture from which a battery of CSF biomarkers was measured: β-amyloid 1-42 and 1-40 (Aβ42 and Aβ40), total and phosphorylated tau protein (t-tau/p-tau181), and α-synuclein (αSyn)...
March 22, 2017: Neurology
https://www.readbyqxmd.com/read/28330798/knee-osteoarthritis-degenerative-meniscal-lesion-and-osteonecrosis-of-the-knee-can-a-simple-gait-test-direct-us-to-a-better-clinical-diagnosis
#20
Ronen Debi, Avi Elbaz, Amit Mor, Gadi Kahn, Bezalel Peskin, Yiftah Beer, Gabriel Agar, Guy Morag, Ganit Segal
INTRODUCTION: The purpose of the current study was to compare the gait patterns in patients with three differing knee pathologies - knee osteoarthritis (OA), degenerative meniscal lesion (DML) and spontaneous osteonecrosis of the knee (SONK) and a group of healthy controls. HYPOTHESIS: A simple gait test will detect differences between different knee pathologies. MATERIAL AND METHODS: Forty-seven patients with bilateral knee OA, 47 patients with DML, 28 patients with SONK and 27 healthy controls were included in this analysis...
March 19, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
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