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Specialty: Orthopaedics
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Total 785 results found since Jan 2013.
Effects of treadmill incline and speed on peroneus longus muscle activity in persons with chronic stroke and healthy subjects
Peroneus Longus (PL) muscle provides frontal plane stability during walking [1], most prominently seen in the single support phase [2]. PL with other ankle invertor and evertor muscles together maintain balance control in the frontal plane [3] and their activity significantly increases when standing on unstable surfaces [4]. Excessive activity in peroneus muscles can result in greater eversion moments and produce large medio-lateral displacements of the body [5]. Balance impairments are most commonly seen in the form of excessive medio-lateral sway in the frontal plane in persons post-stroke [6].
Source: Gait and Posture - March 10, 2017 Category: Orthopaedics Authors: Roghayeh Mohammadi, Chetan P. Phadke Tags: Full length article Source Type: research
Atrial Septal Defect Increases the Risk of Stroke Following Total Hip Arthroplasty
Atrial septal defect (ASD) and patent foramen ovale (PFO) are two of the most common congenital heart diseases in adults and pose important risks of perioperative acute ischemic stroke (AIS) from paradoxical emboli. We evaluated: 1) the prevalence of ASD/PFO in the THA population; 2) the rate of perioperative AIS during index admissions; and 3) the risk of perioperative AIS following THA for patients with ASD/PFO versus matched controls.
Source: The Journal of Arthroplasty - May 11, 2017 Category: Orthopaedics Authors: Dean C. Perfetti, Morad Chughtai, Matthew R. Boylan, Qais Naziri, Aditya V. Maheshwari, Michael A. Mont Source Type: research
Bilateral changes in 3-d scapular kinematics in individuals with chronic stroke
Individuals with chronic stroke showed bilateral scapular kinematics alterations. However, these alterations are not correlated with paretic arm function.
Source: Clinical Biomechanics - June 6, 2017 Category: Orthopaedics Authors: Ma íra Carolina Lixandrão, Paula Rezende Camargo, Caroline Evelin Neves Scarpa, Christiane Lanatovitz Prado-Medeiros, Tania Fátima Salvini Source Type: research
Atrial Septal Defect Increases the Risk for Stroke After Total Hip Arthroplasty
Atrial septal defect (ASD) and patent foramen ovale (PFO) are 2 of the most common congenital heart diseases in adults and pose important risks of perioperative acute ischemic stroke (AIS) from paradoxical emboli. We evaluated the following: (1) the prevalence of ASD/PFO in the total hip arthroplasty (THA) population; (2) the rate of perioperative AIS during index admissions; and (3) the risk for perioperative AIS after THA for patients with ASD/PFO vs matched controls.
Source: The Journal of Arthroplasty - May 11, 2017 Category: Orthopaedics Authors: Dean C. Perfetti, Morad Chughtai, Matthew R. Boylan, Qais Naziri, Aditya V. Maheshwari, Michael A. Mont Source Type: research
Validation of simplified centre of mass models during gait in individuals with chronic stroke
These findings demonstrate the utility and robustness of the pelvis model for clinical gait assessment in individuals with chronic stroke. Low error in the mediolateral and vertical directions is especially important when considering potential stability analyses during gait for this population, as lateral stability has been previously linked to fall risk.
Source: Clinical Biomechanics - July 31, 2017 Category: Orthopaedics Authors: Andrew H. Huntley, Alison Schinkel-Ivy, Anthony Aqui, Avril Mansfield Source Type: research
Electromyographic activity of the quadriceps muscles in patients with stiff-knee gait (SKG) after stroke
This study represents a detailed description of the activity of all QF muscles during gait in stroke patients with SKG.
Source: Gait and Posture - September 1, 2017 Category: Orthopaedics Authors: E. Giannotti, M. Longhi, M. Manca, P. Prati, M. Cosma, F. Mascioli, G. Ferraresi, M. Morelli, P. Zerbinati, S. Masiero, A. Merlo, D. Mazzoli Source Type: research
The instrumented Fukuda Stepping Test: Quantifying balance impairment in patients with sub-acute stroke
Introduction: Balance impairment is one of the most common consequences after a stroke event [1]. To assess the effects of this deficit, the Fukuda Stepping Test (FST), in which the subject has to step on the spot blindfolded, can be used. However, the relevant parameters traditionally considered in the clinical environment, i.e. body rotation and displacement measured from final foot position, are not fully representative of the patient's motor ability [2]. The purpose of this study is to devise an instrumented version of the FST (iFST) that embodies inertial measurement units (IMUs).
Source: Gait and Posture - September 1, 2017 Category: Orthopaedics Authors: V. Belluscio, E. Bergamini, M. Iosa, G. Morone, M. Tramontano, G. Vannozzi Tags: O16 Source Type: research
Efficacy of multilevel functional surgery in the reduction of stiff knee gait in stroke patients. A retrospective study
In this study, we assessed the efficacy of multilevel FS on SKG reduction, at one month from surgery.
Source: Gait and Posture - September 1, 2017 Category: Orthopaedics Authors: E. Giannotti, A. Merlo, M. Galletti, P. Zerbinati, P. Prati, M. Longhi, S. Masiero, F. Mascioli, D. Mazzoli Tags: O1 Source Type: research
Assessing muscle compliance in stroke with the Myotonometer
Alterations of muscle compliance in the spastic side reflect changes in the contractile or intrinsic mechanical properties of the muscle after a stroke. Findings of the study have demonstrated high sensitivity and effectiveness of the Myotonometer in assessing muscle compliance changes.
Source: Clinical Biomechanics - October 13, 2017 Category: Orthopaedics Authors: Xiaoyan Li, Henry Shin, Ya Zong, Sheng Li, Ping Zhou Tags: Lecture Source Type: research
Effectiveness of prowling with proprioceptive training on knee hyperextension among stroke subjects using videographic observation- a randomised controlled trial
In hemiparetic gait, an abnormal gait pattern among stroke subjects, balance impairment and increased energy consumption are commonly associated issues and if not corrected at initial stages may lead to muscle wasting and deformities [1]. Knee hyperextension a progressive, disabling, acquired deformity [2] is a frequent deviation seen among these subjects who are self-ambulant or walking with support [1,3].
Source: Gait and Posture - January 23, 2018 Category: Orthopaedics Authors: Khushboo K. Dalal, Abraham M. Joshua, Akshatha Nayak, Prasanna Mithra, Zulkifli Misri, Bhaskaran Unnikrishnan Tags: Full length article Source Type: research
Over-focused? The relation between patients ’ inclination for conscious control and single- and dual-task motor performance after stroke
A motor task like walking is often assumed to be a relatively automated task that requires minimal cognitive involvement [1,2]. However, walking may invoke enhanced degrees of conscious control in special circumstances, such as under fatigue or stress, or in special groups, such as elderly with fear of falling or rehabilitating patients.[3 –7] For example, following a stroke individuals typically become strongly inclined to consciously guide their movements, and consider this necessary for ensuring successful locomotion and preventing falls [4].
Source: Gait and Posture - March 5, 2018 Category: Orthopaedics Authors: R.P.M. Denneman, E.C. Kal, H. Houdijk, J. van der Kamp Tags: Full length article Source Type: research
External biomechanical constraints impair maximal voluntary grip force stability post-stroke
These findings have important implications for design of rehabilitation interventions and devices. Particularly in individuals post-stroke, external biomechanical constraints increase maximal voluntary grip force variability while fewer biomechanical constraints yield more stable performance.
Source: Clinical Biomechanics - June 5, 2018 Category: Orthopaedics Authors: Qian Ding, Carolynn Patten Source Type: research
O 049 - Post-stroke balance responses after lateral perturbations to pelvis during treadmill walking
Ability to maintain balance during walking is often reduced in stroke survivors, where the activity of non-paretic leg after external gait perturbations usually compensates for the reduced activity of the paretic leg.
Source: Gait and Posture - June 18, 2018 Category: Orthopaedics Authors: M. Zadravec, A. Olen šek, M. Rudolf, N. Bizovičar, N. Goljar, Z. Matjačić Tags: Short communication Source Type: research
P 103 – “RehaBoard” Project: Implementing an algorithm to assist the interprofessional decision-making process towards improved gait in patients after stroke
An interdisciplinary team is believed to be effective in stroke rehabilitation [1]. In the “RehaBoard” project, neurologists, orthopaedics, physiotherapists, orthotists, biomedical engineers and computer scientists collaborate to combine medical, therapeutic and technical expertise for interpreting data, to agree on interdisciplinary treatment recommendations and to develop a method t o assess gait changes after conventional interventions to tailor therapy to patient`s needs. Decision-making in interprofessional teams is complex [2], because the clinical reasoning process is unique to each profession [3].
Source: Gait and Posture - June 18, 2018 Category: Orthopaedics Authors: D. Zietz, E. Cramer, M. Siebler, H. Hefter, M. Jaeger, D. Raab, F. Geu Flores, S. Gegenbauer, A. Kecskem éthy Tags: Short communication Source Type: research
