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Initial Contact with Forefoot or Rearfoot in Spastic Patients After Stroke-Three-Dimensional Gait Analysis.
Neurol Int
January 2025
Laboratório de Marcha, Centro de Medicina de Reabilitação de Alcoitão, 2649-506 Alcabideche, Portugal.
Background/objectives: Post-stroke hemiparetic gait often presents with asymmetric patterns to compensate for stability deficits. This study examines gait differences in chronic stroke patients with spastic hemiparesis based on initial foot contact type-forefoot versus rearfoot.
Methods: Thirty-four independently walking spastic hemiparetic patients were retrospectively analyzed.
Analysis of Connectivity in Electromyography Signals to Examine Neural Correlations in the Activation of Lower Leg Muscles for Postural Stability: A Pilot Study.
Bioengineering (Basel)
January 2025
School of Engineering, Grand Valley State University, Grand Rapids, MI 49504, USA.
In quiet standing, the central nervous system implements a pre-programmed ankle strategy of postural control to maintain upright balance and stability. This strategy comprises a synchronized common neural drive delivered to synergistically grouped muscles. This study evaluated connectivity between EMG signals of the unilateral and bilateral homologous muscle pairs of the lower legs during various standing balance conditions using magnitude-squared coherence (MSC).
View Article and Find Full Text PDFVibro-tactile stimulation of the neck induces head righting in people with cervical dystonia.
Parkinsonism Relat Disord
January 2025
Human Sensorimotor Control Laboratory, School of Kinesiology, University of Minnesota, USA; Center for Clinical Movement Science, University of Minnesota, USA.
Introduction: Cervical dystonia (CD) is characterized by involuntary neck muscle spasms that lead to abnormal head movements or postures. It is associated with somatosensory (tactile and proprioceptive) dysfunction. Here we tested whether vibro-tactile stimulation (VTS) of the cervical muscles constitutes a non-invasive form of neuromodulation of the somatosensory system that can provide temporary symptom relief for people with CD.
View Article and Find Full Text PDFBiomechanical analysis of step-up and step-down tasks in knee osteoarthritis: Insights from leading and trailing limbs.
Clin Biomech (Bristol)
January 2025
Rehabilitation Research Institute of Singapore, Nanyang Technological University, 11 Mandalay Rd, #14-03 Clinical Sciences Building, 308232, Singapore; Department of Orthopaedic Surgery, Woodlands Health, National Healthcare Group, 737628, Singapore.
Background: Stair climbing tests are pivotal when assessing physical performance in knee osteoarthritis patients, yet the biomechanical strategies that underpin poor stair climbing ability are heterogeneously reported. Single step tasks emulate a step-by-step gait pattern, an approach associated with knee pain when stair climbing. The objective of this study is to analyse the biomechanics and electromyography activity of both the leading and trailing limbs during single Step-up and Down tasks in knee osteoarthritis patients.
View Article and Find Full Text PDFA 7-year delayed diagnosis in a case of spinal muscular atrophy.
Brain Dev
January 2025
Department of Pediatrics, Aichi Medical University School of Medicine, Nagakute, Japan.
Background: Most cases of spinal muscular atrophy (SMA) can be diagnosed by copy number analysis of survival motor neuron (SMN) 1. However, a small number of cases of SMA can only be diagnosed by sequencing analysis. We present a case of SMA diagnosed 7 years after the onset of symptoms.
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