[Purpose] This study investigated the effects of COP displacement training using visual feedback had on the gait of patients with hemiplegia due to stroke. [Subjects and Methods] This study was conducted with 20 patients with hemiplegia due to stroke. The training consisted of five training sets repeated 10 times and the activity was conducted for 15 minutes each session, three times per week for six weeks immediately after completion of central nervous system developmental treatment. [Results] A comparison of the results of before and after the experiment found that the COP displacement training group showed significant improvements in step length, stride length, gait velocity, and the functional reach test, while the control group showed significant improvement only in the functional reach test. In the intergroup comparison, the COP displacement training group showed significant improvements in paretic side step length, paretic side stride length, gait velocity, and the functional reach test compared to the control group. [Conclusion] In conclusion, according to the results of this study, visual feedback training for COP displacement is more effective at enhancing the gait and balance of hemiplegic patients due to stroke than only performing feedback training for even weight distribution.
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http://dx.doi.org/10.1589/jpts.27.855 | DOI Listing |
Orthop Surg
January 2025
Orthopedics Department, Gongli Hospital of Shanghai Pudong New Area, Shanghai, China.
Objective: Soft tissue defects and postoperative wound healing complications related to calcaneus fractures may result in significant morbidity. The aim of this study was to investigate whether percutaneous minimally invasive screw internal fixation (PMISIF) can change this situation in the treatment of calcaneal fractures, and aimed to explore the mechanical effects of different internal fixation methods on Sanders type III calcaneal fractures through finite element analysis.
Methods: This retrospective analysis focused on 83 patients with Sanders II and III calcaneal fractures from March 2017 to March 2022.
J Phys Condens Matter
January 2025
Physics, Indian Institute of Science Education and Research Bhopal, Bypass Road Bhauri, Bhopal, 462066, INDIA.
We investigate the dynamics of non-interacting particles in a one-dimensional tight-binding chain in the presence of an electric field with random amplitude drawn from a Gaussian distribution, and explicitly focus on the nature of quantum transport. We derive an exact expression for the probability propagator and the mean-squared displacement in the clean limit and generalize it for the disordered case using the Liouville operator method. Our analysis reveals that in the presence a random static field, the system follows diffusive transport; however, an increase in the field strength causes a suppression in the transport and thus asymptotically leads towards localization.
View Article and Find Full Text PDFArch Rehabil Res Clin Transl
December 2024
Department of Physical Therapy, Rehabilitation Science, and Athletic Training, University of Kansas Medical Center (KUMC), Kansas City, KS.
Objective: To investigate the effects of sensory reweighting on postural control and cortical activity in individuals with Parkinson's disease (PD) compared to age-matched controls using a virtual reality sensory organization test (VR-SOT).
Design: Cross-sectional pilot study.
Setting: University research laboratory.
Nat Commun
January 2025
Morphing Matter Lab, Human-Computer Interaction Institute, Carnegie Mellon University, Pittsburgh, PA, USA.
Compliant mechanisms with reconfigurable degrees of freedom are gaining attention in the development of kinesthetic haptic devices, robotic systems, and mechanical metamaterials. However, available devices exhibit limited programmability and form-customizability, restricting their versatility. To address this gap, we propose a metastructure concept featuring reconfigurable motional freedom and tunable stiffness, adaptable to various form factors and applications.
View Article and Find Full Text PDFCatheter Cardiovasc Interv
January 2025
The Christ Hospital Heart and Vascular Institute, Cincinnati, Ohio, USA.
One of the major issues encountered in patients undergoing evaluation for Transcatheter mitral valve replacement (TMVR) is the risk of Left ventricular outflow tract (LVOT) obstruction. LVOT obstruction is a catastrophic complication of TMVR, the result of displacement of the anterior mitral valve leaflet (AML) toward the interventricular septum. Several strategies to mitigate the risk of LVOT obstruction have been described and include percutaneous laceration of the anterior mitral leaflet (LAMPOON), alcohol septal ablation, trans-atrial leaflet modification (SITRAL) and Balloon Assisted Translocation of Mitral Anterior leaflet to prevent LVOT obstruction (BATMAN).
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