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Relevant bibliographies by topics / Step length asymmetry

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Journal articles
Dissertations / Theses
Conference papers

Academic literature on the topic 'Step length asymmetry'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Step length asymmetry"

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Brinkerhoff, Sarah A., Patrick G. Monaghan, and Jaimie A. Roper. "Adapting gait with asymmetric visual feedback affects deadaptation but not adaptation in healthy young adults." PLOS ONE 16, no. 2 (2021): e0247706. http://dx.doi.org/10.1371/journal.pone.0247706.

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Split-belt treadmill walking allows researchers to understand how new gait patterns are acquired. Initially, the belts move at two different speeds, inducing asymmetric step lengths. As people adapt their gait on a split-belt treadmill, left and right step lengths become more symmetric over time. Upon returning to normal walking, step lengths become asymmetric in the opposite direction, indicating deadaptation. Then, upon re-exposure to the split belts, step length asymmetry is less than the asymmetry at the start of the initial exposure, indicating readaptation. Changes in step length symmetr

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Park, Sungwoo, Chang Liu, Natalia Sánchez, Julie K. Tilson, Sara J. Mulroy, and James M. Finley. "Using Biofeedback to Reduce Step Length Asymmetry Impairs Dynamic Balance in People Poststroke." Neurorehabilitation and Neural Repair 35, no. 8 (2021): 738–49. http://dx.doi.org/10.1177/15459683211019346.

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Background People poststroke often walk with a spatiotemporally asymmetric gait, due in part to sensorimotor impairments in the paretic lower extremity. Although reducing asymmetry is a common objective of rehabilitation, the effects of improving symmetry on balance are yet to be determined. Objective We established the concurrent validity of whole-body angular momentum as a measure of balance, and we determined if reducing step length asymmetry would improve balance by decreasing whole-body angular momentum. Methods We performed clinical balance assessments and measured whole-body angular mom

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Lewek, Michael D., Claire E. Bradley, Clinton J. Wutzke, and Steven M. Zinder. "The Relationship Between Spatiotemporal Gait Asymmetry and Balance in Individuals With Chronic Stroke." Journal of Applied Biomechanics 30, no. 1 (2014): 31–36. http://dx.doi.org/10.1123/jab.2012-0208.

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Falls are common after stroke and often attributed to poor balance. Falls often occur during walking, suggesting that walking patterns may induce a loss of balance. Gait after stroke is frequently spatiotemporally asymmetric, which may decrease balance. The purpose of this study is to determine the relationship between spatiotemporal gait asymmetry and balance control. Thirty-nine individuals with chronic stroke walked at comfortable and fast speeds to calculate asymmetry ratios for step length, stance time, and swing time. Balance measures included the Berg Balance Scale, step width during ga

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Roerdink, Melvyn, Sanne Roeles, Sanne C. H. van der Pas, Otelie Bosboom, and Peter J. Beek. "Evaluating asymmetry in prosthetic gait with step-length asymmetry alone is flawed." Gait & Posture 35, no. 3 (2012): 446–51. http://dx.doi.org/10.1016/j.gaitpost.2011.11.005.

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Lewek, Michael D., Carty H. Braun, Clint Wutzke, and Carol Giuliani. "The role of movement errors in modifying spatiotemporal gait asymmetry post stroke: a randomized controlled trial." Clinical Rehabilitation 32, no. 2 (2017): 161–72. http://dx.doi.org/10.1177/0269215517723056.

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Objective: Current rehabilitation to improve gait symmetry following stroke is based on one of two competing motor learning strategies: minimizing or augmenting symmetry errors. We sought to determine which of those motor learning strategies best improves overground spatiotemporal gait symmetry. Design: Randomized controlled trial. Setting: Rehabilitation research lab. Subjects: In all, 47 participants (59 ± 12 years old) with chronic hemiparesis post stroke and spatiotemporal gait asymmetry were randomized to error augmentation, error minimization, or conventional treadmill training (control)

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Wutzke, Clinton J., Richard A. Faldowski, and Michael D. Lewek. "Individuals Poststroke Do Not Perceive Their Spatiotemporal Gait Asymmetries as Abnormal." Physical Therapy 95, no. 9 (2015): 1244–53. http://dx.doi.org/10.2522/ptj.20140482.

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Background Following stroke, spatiotemporal gait asymmetries persist into the chronic phases, despite the neuromuscular capacity to produce symmetric walking patterns. This persistence of gait asymmetry may be due to deficits in perception, as the newly established asymmetric gait pattern is perceived as normal. Objective The purpose of this study was to determine the effect of usual overground gait asymmetry on the ability to consciously and unconsciously perceive the presence of gait asymmetry in people poststroke. Design An observational study was conducted. Methods Thirty people poststroke

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Abid, Mahdi, Valerie Renaudin, Yannick Aoustin, Eric Le-Carpentier, and Thomas Robert. "Walking Gait Step Length Asymmetry Induced by Handheld Device." IEEE Transactions on Neural Systems and Rehabilitation Engineering 25, no. 11 (2017): 2075–83. http://dx.doi.org/10.1109/tnsre.2017.2705285.

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Sánchez, Natalia, and James M. Finley. "Individual Differences in Locomotor Function Predict the Capacity to Reduce Asymmetry and Modify the Energetic Cost of Walking Poststroke." Neurorehabilitation and Neural Repair 32, no. 8 (2018): 701–13. http://dx.doi.org/10.1177/1545968318787913.

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Changes in the control of the lower extremities poststroke lead to persistent biomechanical asymmetries during walking. These asymmetries are associated with an increase in energetic cost, leading to the possibility that reducing asymmetry can improve walking economy. However, the influence of asymmetry on economy may depend on the direction and cause of asymmetry. For example, impairments with paretic limb advancement may result in shorter paretic steps, whereas deficits in paretic support or propulsion result in shorter nonparetic steps. Given differences in the underlying impairments respon

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Reisman, Darcy S., Heather McLean, Jennifer Keller, Kelly A. Danks, and Amy J. Bastian. "Repeated Split-Belt Treadmill Training Improves Poststroke Step Length Asymmetry." Neurorehabilitation and Neural Repair 27, no. 5 (2013): 460–68. http://dx.doi.org/10.1177/1545968312474118.

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Kim, Woo-Sub. "Subtasks affecting step-length asymmetry in post-stroke hemiparetic walking." Human Movement Science 49 (October 2016): 87–94. http://dx.doi.org/10.1016/j.humov.2016.06.004.

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Dissertations / Theses on the topic "Step length asymmetry"

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Allen, Jessica Lynn. "Simulation and experimental analyses to assess walking performance post-stroke using step length asymmetry and module composition." Thesis, 2012. http://hdl.handle.net/2152/ETD-UT-2012-08-5978.

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Understanding the underlying coordination mechanisms that lead to a patient’s poor walking performance is critical in developing effective rehabilitation interventions. However, most common measures of rehabilitation effectiveness do not provide information regarding underlying coordination mechanisms. The overall goal of this research was to analyze the relationship between two potential measures of walking performance (step length asymmetry and module composition) and underlying walking mechanics. Experimental analyses were used to analyze the walking mechanics of hemiparetic subjects group

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Conference papers on the topic "Step length asymmetry"

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Popović, I., and H. P. Hodson. "The Effects of a Parametric Variation of the Rim Seal Geometry on the Interaction Between Hub Leakage and Mainstream Flows in HP Turbines." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-68025.

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The objective of this work was to assess and understand the effects of parametric variation performed on a typical overlapping rim seal geometry. The datum geometry has been focus of a detailed experimental investigation employing a large-scale linear cascade subjected to a range of the mass flow rates and swirl velocities of the leakage air. The parametric variations described in this paper were examined using validated CFD. As a part of the parametric studies, both the axial and the radial seal clearance between the rotor fin (angel wing) and stator platform were varied as well as the length

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Jenkins, Sean C., Igor V. Shevchuk, Jens von Wolfersdorf, and Bernhard Weigand. "Transient Thermal Field Measurements in a High Aspect Ratio Channel Related to Transient Thermochromic Liquid Crystal Experiments." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-27812.

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Measurements of transient fluid temperature distributions were made in a high aspect ratio (4:1) internally ribbed two-pass channel relating to the measurement of heat transfer using the transient thermochromic liquid crystal (TLC) technique. The temperature field was measured at several positions leading up to and around the 180° bend in a two-passage channel to account for variations in the bulk temperature used as a reference for the transient TLC technique. Results showed that the normalized distribution of the temperature field was time-invariant, an important result for the validation of

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Burget, Blake, Neal Dannemiller, Dylan Garrett, and Erik Kling. "Optimizing Completion Design and Well Spacing in the Powder River Basin Niobrara Oil Play." In SPE Hydraulic Fracturing Technology Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/204167-ms.

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Abstract A seven-step workflow to help subsurface teams establish an initial thesis for optimal completion design (cluster spacing, proppant per cluster) and well spacing in emerging / under-explored resource plays is proposed and executed for the Powder River Basin Niobrara unconventional oil play. The workflow uses Rate Transient Analysis (RTA) to determine the Ac∗k parameter and then walks the reader through how to sequentially decouple the parameter into its constituent parts (frac height (h), number of symmetrical fractures achieved (nf), permeability (k) and fracture half-length (xf)). O

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Masuda, Shigeaki, Rei Takagi, Kouhei Okada, and Shinnosuke Obi. "Asymmetry and Unsteadiness of Incipient Separation of Nominally Axisymmetric Turbulent Boundary Layer." In ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/fedsm2003-45587.

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Unsteady and asymmetric behavior of separation of nominally axisymmetric and steady turbulent boundary layer in an axisymmetric expansion is investigated. The test diffusers have the total divergence angle from 8 to 50deg and length-to-diameter ratio of 8. Bulk Reynolds number is ranging between 2.5 × 104 and 2.4 × 105. The wall static pressure fluctuation increases monotonically with increasing divergence angle up to 25° and then decreases. The wall static pressure exhibits large scale law frequency fluctuations, occurring almost concurrently in the entire passage. Distributions of both mean

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Chumacero-Polanco, Erik A., and James Yang. "Fall Prevention Therapies for Individuals With Stroke: A Survey." In ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-67456.

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Stroke basically consists in brain-cells death due to lack or excess of blood. Stroke has many important consequences and falls are one of the most concerning. Falls can produce several injures from minor lacerations to fractures and death. It has been found that balance and gait impairments after stroke are important risk factors for fall. Hence, improving balance and gait ability in stroke survivors can significantly reduce falls rate. In this literature review, we review the main characteristic and the therapeutic results of different therapeutic interventions aimed at improving balance and

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Clauss, Gu¨nther F., Marco Klein, and Matthias Dudek. "Influence of the Bow Shape on Loads in High and Steep Waves." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20142.

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To ensure survival of floating structures in rough seas, a precise knowledge of global and local loads is an inevitable integral part for safe design. One of the key parameters is the vertical bending moment. Not only vertical forces but — as previous investigations revealed — also longitudinal forces significantly contribute to the vertical wave bending moment. Three segmented ships, equipped with force transducers, are investigated systematically in high and steep regular waves and in harsh wave environments at several cruising speeds to identify the structural loads. The model tests are car

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Forliti, David J., Alison A. Behrens, Paul J. Strykowski, and Brian A. Tang. "Enhancing Combustion in a Dump Combustor Using Countercurrent Shear: Part 1 — Nonreacting Flow Control and Preliminary Combustion Results." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-81267.

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During the last decade, countercurrent shear has been established as an effective flow control technique for increasing turbulent mixing in a variety of flow configurations and operating regimes. Based on the robust mixing enhancement observed for jets and shear layers, the technique appears to have many potential benefits for enhancement and control for turbulent combustion flows. Countercurrent shear flow control has been applied to a planar asymmetric rearward-facing step dump combustor. A nonreacting flow study on the implementation of suction-based countercurrent shear at the dump plane p

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Briones, Alejandro M., Balu Sekar, and Hugh Thornburg. "Characteristics of Bluff Body Stabilized Turbulent Premixed Flames." In ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/gt2011-45089.

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Non-reacting and reacting flows past typical flameholders are modeled with URANS and LES. The continuity, momentum, energy, species, and turbulence governing equations are solved using two- and three-dimensional configurations. Either 2-step global or 44-step reduced chemical mechanism for C3H8-air combustion, accounting for turbulence-chemistry interaction, and with temperature- and species-dependent thermodynamic and transport properties is utilized. For square and rectangular bluff bodies the flow separates at the leading edges, whereas for triangular bluff body separation occurs only at th

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