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postural analysis

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https://www.readbyqxmd.com/read/29147083/spinal-cord-stimulation-in-failed-back-surgery-syndrome-effects-on-posture-and-gait-a-preliminary-3d-biomechanical-study
#1
L Brugliera, A De Luca, S Corna, M Bertolotto, G A Checchia, M Cioni, P Capodaglio, C Lentino
We studied 8 patients with spinal cord stimulation (SCS) devices which had been previously implanted to treat neuropathic chronic pain secondary to Failed Back Surgery Syndrome. The aim of our study was to investigate the effects of SCS on posture and gait by means of clinical scales (Short Form Health Survey-36, Visual Analogue Scale for pain, and Hamilton Depression Rating Scale) and instrumented evaluation with 3D Gait Analysis using a stereophotogrammetric system. The latter was performed with the SCS device turned both OFF and ON...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/29144567/reliable-recognition-of-lying-sitting-and-standing-with-a-hip-worn-accelerometer
#2
Henri Vähä-Ypyä, Pauliina Husu, Jaana Suni, Tommi Vasankari, Harri Sievänen
Hip-worn accelerometers are widely used to estimate physical activity (PA), but the accuracy of acceleration-threshold based analysis is compromised when it comes to identifying stationary and sedentary behaviors, let alone classifying body postures into lying, sitting or standing. The purpose of this study was to devise a novel method for accurate classification of body posture using triaxial data from hip-worn accelerometer and to evaluate its performance in free-living conditions against a thigh-worn accelerometer...
November 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29142656/pharyngeal-airway-dimensions-and-head-posture-in-obstructive-sleep-apnea-patients-with-and-without-morphological-deviations-in-the-upper-cervical-spine
#3
Liselotte Sonnesen, Arne Petersson, Søren Berg, Palle Svanholt
Objectives: The aim of the study was to analyse differences in pharyngeal airway dimensions and head posture between obstructive sleep apnea patients with and without morphological deviations in the upper cervical spine and to analyse associations between pharyngeal airway dimensions and head posture in the total sample. Material and Methods: The sample comprised 53 obstructive sleep apnea (OSA) patients of which 32.1% had upper spine morphological deviations. Accordingly two groups were defined: 17 OSA patients with morphological deviations in the upper spine and 36 without upper spine deviations...
July 2017: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/29140159/athletes-rated-as-poor-single-leg-squat-performers-display-measureable-differences-in-single-leg-squat-biomechanics-compared-to-good-performers
#4
Lachlan E Garrick, Bryce C Alexander, Anthony G Schache, Marcus G Pandy, Kay M Crossley, Natalie J Collins
CONTEXT: It is important to validate single-leg squat visual rating criteria used in clinical practice and research. Foot orthoses may improve single-leg squat performance in those who demonstrate biomechanics associated with increased risk of lower-limb injury. OBJECTIVE: Validate visual rating criteria proposed by Crossley et al, by determining whether athletes rated as poor single-leg squat performers display different single-leg squat biomechanics than good performers; and evaluate immediate effects of foot orthoses on single-leg squat biomechanics in poor performers...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29137547/developing-a-framework-of-behaviours-before-suicides-at-railway-locations
#5
Brendan Ryan
Better knowledge of behaviours of people at railway property could help with identifying those at risk of suicide. Literature has been reviewed from a range of disciplines on what is known about studying behaviour in this type of public location. Secondary analysis has been carried out on descriptions of behaviour from structured exercises with experts and other pre-existing sources. A framework has been produced with five main classes (display of emotion, appearance, posture/movements, activities and interactions) and associated sub-classes...
November 15, 2017: Ergonomics
https://www.readbyqxmd.com/read/29136548/wavelet-coherence-analysis-a-new-approach-to-distinguish-organic-and-functional-tremor-types
#6
G Kramer, A M M Van der Stouwe, N M Maurits, M A J Tijssen, J W J Elting
OBJECTIVE: To distinguish tremor subtypes using wavelet coherence analysis (WCA). WCA enables to detect variations in coherence and phase difference between two signals over time and might be especially useful in distinguishing functional from organic tremor. METHODS: In this pilot study, polymyography recordings were studied retrospectively of 26 Parkinsonian (PT), 26 functional (FT), 26 essential (ET), and 20 enhanced physiological (EPT) tremor patients. Per patient one segment of 20 s in duration, in which tremor was present continuously in the same posture, was selected...
October 14, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29136416/daily-shoulder-pain-among-flight-baggage-handlers-and-its-association-with-work-tasks-and-upper-arm-postures-on-the-same-day
#7
Eva L Bergsten, Svend Erik Mathiassen, Lydia Kwak, Eva Vingård
Objectives: This study of flight baggage handlers aimed at examining the extent to which shoulder pain developed during single work shifts, and whether a possible development was associated with biomechanical exposures and psychosocial factors during the same shift. Methods: Data were collected during, in total, 82 work shifts in 44 workers. Right and left shoulder pain intensity was rated just before and just after the shift (VAS scale 0-100 mm). Objective data on 'time in extreme' and 'time in neutral' upper arm postures were obtained for the full shift using accelerometers, and the baggage handlers registered the number of 'aircrafts handled' in a diary...
November 10, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29134322/correlative-factors-analysis-of-postural-related-ocular-cyclotorsion-with-image-guided-system
#8
Fangkun Zhao, Ling Li, Wenkai Zhou, Dong Shi, Yu Fan, Liwei Ma
PURPOSE: To explore the correlation between ocular cyclotorsion induced by sitting and supine positions as well as other selected factors, validated by an image-guided system. STUDY DESIGN: A cross-sectional study conducted in 73 inpatients (85 eyes) who received intraocular operations in China Medical University. METHODS: The ocular cyclotorsion degree was recorded using an image-guided system (Verion Reference Unit, Alcon) by comparing images captured in sitting position, as well as pre- and post-different anesthesia methods in the supine position...
November 13, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29133709/experience-of-pallidal-deep-brain-stimulation-in-dystonia-at-a-tertiary-care-centre-in-india-an-initial-experience
#9
M Manjunath, Ravi Yadav, Srinivas Dwarakanath, Ketan Jhunjhunwala, A Jafar, Pratibha Surathi, Abhishek Lenka, Albert Stezin, S Sampath, Pramod K Pal
INTRODUCTION: Dystonia is one of the most prevalent forms of movement disorders and is characterized by sustained or intermittent muscle contractions causing abnormal, often repetitive, movements, postures, or both. Dystonia causes significant morbidity with an adverse impact on the quality of life. When dystonia is medically refractory, causing severe pain and impairment in activities of daily living, deep brain stimulation (DBS) of the globus pallidus interna (GPi) is a potential option to reduce disability...
November 2017: Neurology India
https://www.readbyqxmd.com/read/29132464/-clinical-manifestations-and-genetic-diagnosis-of-paroxysmal-kinesigenic-dyskinesia
#10
Xiao-Ming Zhu, Yu-Hong Gong, Si Lu, Shou-Chao Cheng, Bao-Zhen Yao
The clinical manifestations of five children with paroxysmal kinesigenic dyskinesia (PKD) were retrospectively analyzed and their gene mutations were analyzed by high-throughput sequencing and chromosome microarray. The 5 patients consisted of 4 males and 1 female and the age of onset was 6-9 years. Dyskinesia was induced by sudden turn movement, scare, mental stress, or other factors. These patients were conscious and had abnormal posture of unilateral or bilateral extremities, athetosis, facial muscle twitching, and abnormal body posture...
November 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29128507/moderators-and-mediators-of-effects-of-unloading-shoes-on-knee-pain-in-people-with-knee-osteoarthritis-an-exploratory-analysis-of-the-shark-randomised-controlled-trial
#11
Kade L Paterson, Jessica Kasza, Kim L Bennell, Tim V Wrigley, Ben R Metcalf, Penny K Campbell, David J Hunter, Rana S Hinman
OBJECTIVE: To investigate moderators and biomechanical mediators of effects of unloading shoes on knee pain in people with knee osteoarthritis (OA). METHODS: Exploratory analysis from 164 participants in a clinical trial comparing unloading (ASICS GEL-Melbourne OA) to conventional walking shoes. The primary outcome was 6-month change in knee pain (11-point numerical rating scale). Moderators included baseline peak knee adduction moment (KAM), radiographic severity (Kellgren & Lawrence (KL) scale), body mass, foot posture, neuropathic pain and diffuse knee pain...
November 8, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29127881/grapevine-immune-signaling-network-in-response-to-drought-stress-as-revealed-by-transcriptomic-analysis
#12
Muhammad S Haider, Mahantesh M Kurjogi, M Khalil-Ur-Rehman, Muhammad Fiaz, Tariq Pervaiz, Songtao Jiu, Jia Haifeng, Wang Chen, Jinggui Fang
Drought is a ubiquitous abiotic factor that severely impedes growth and development of horticulture crops. The challenge postured by global climate change is the evolution of drought-tolerant cultivars that could cope with concurrent stress. Hence, in this study, biochemical, physiological and transcriptome analysis were investigated in drought-treated grapevine leaves. The results revealed that photosynthetic activity and reducing sugars were significantly diminished which were positively correlated with low stomatal conductance and CO2 exchange in drought-stressed leaves...
October 31, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29126606/balance-study-in-asymptomatic-subjects-determination-of-significant-variables-and-reference-patterns-to-improve-clinical-application
#13
Juan de la Torre, Javier Marin, Jose J Marin, Jose M Auria, Maria B Sanchez-Valverde
Postural control is essential when carrying out everyday activities and its possible disorders have a very significant impact on personal autonomy. To provide the means to accurately measure postural control in the clinical environment, this study checks and discusses the suitability of procedures for a new balance assessment system with a stabilometric platform (MoveHuman-Dyna © UZ-IDERGO), which meets the criteria of clinical stabilometric standardisation established by the International Society for Posture and Gait Research (ISPGR) at the Bologna meeting (2009)...
November 7, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29125566/botulinum-toxin-in-management-of-limb-tremor
#14
REVIEW
Elina Zakin, David Simpson
Essential tremor is characterized by persistent, usually bilateral and symmetric, postural or kinetic activation of agonist and antagonist muscles involving either the distal or proximal upper extremity. Quality of life is often affected and one's ability to perform daily tasks becomes impaired. Oral therapies, including propranolol and primidone, can be effective in the management of essential tremor, although adverse effects can limit their use and about 50% of individuals lack response to oral pharmacotherapy...
November 10, 2017: Toxins
https://www.readbyqxmd.com/read/29124548/development-of-an-experimental-and-digital-cardiovascular-arterial-model-for-transient-hemodynamic-and-postural-change-studies-a-preliminary-framework-analysis
#15
Rodward L Hewlin, John P Kizito
The ultimate goal of the present work is to aid in the development of tools to assist in the treatment of cardiovascular disease. Gaining an understanding of hemodynamic parameters for medical implants allow clinicians to have some patient-specific proposals for intervention planning. In the present work an experimental and digital computational fluid dynamics (CFD) arterial model consisting of a number of major arteries (aorta, carotid bifurcation, cranial, femoral, jejunal, and subclavian arteries) were fabricated to study: (1) the effects of local hemodynamics (flow parameters) on global hemodynamics (2) the effects of transition from bedrest to upright position (postural change) on hemodynamics, and (3) diffusion of dye (medical drug diffusion simulation) in the arterial system via experimental and numerical techniques...
November 9, 2017: Cardiovascular Engineering and Technology
https://www.readbyqxmd.com/read/29115188/sit-stand-workstations-and-impact-on-low-back-discomfort-a-systematic-review-and-meta-analysis
#16
Shuchi Agarwal, Craig Steinmaus, Carisa Harris-Adamson
BACKGROUND: Sit-stand workstations are proposed solutions to reduce sedentary time at work. Numerous companies are using them to mitigate health concerns such as musculoskeletal discomfort. OBJECTIVE: To review the literature on sit-stand workstations and low back discomfort. METHOD: We conducted a meta-analysis on literature published before November 17, 2016 that addressed the relationship between sit-stand workstations and musculoskeletal discomfort, focusing on the low back...
November 8, 2017: Ergonomics
https://www.readbyqxmd.com/read/29114765/operator-bias-errors-are-reduced-using-standing-marker-alignment-device-for-repeated-visit-studies
#17
Laura Hutchinson, Joel B Schwartz, Amy M Morton, Irene S Davis, Kevin Deluzio, Michael J Rainbow
When optical motion capture is used for motion analysis, reflective markers or a digitizer are typically used to record the location of anatomical landmarks identified through palpation. The landmarks are then used to construct anatomical coordinate systems. Failure to consistently identify landmarks through palpation over repeat tests creates artifacts in the kinematic waveforms. The purpose of this work was to improve intra- and inter-rater reliability in determining anatomical landmarks and the associated anatomical coordinate systems using a Marker Alignment Device...
November 6, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29114533/effects-of-whole-body-vibration-training-and-mental-training-on-mobility-neuromuscular-performance-and-muscle-strength-in-older-men
#18
Maryam Goudarzian, Samira Ghavi, Ardalan Shariat, Hossein Shirvani, Mostafa Rahimi
This study was designed to evaluate the effects of whole body vibration (WBV) exercise, mental training (MT), and the concurrent effect of WBV and MT on lower body balance, neuromuscular performance, and leg muscle strength in elderly men. In a randomized control trial study with parallel group design, 42 older men (mean±standard deviation age, 68±5.78 years) were randomly divided into four groups: WBV (n=11), MT (n=12), WBV+MT (n=10), and control (n=9) groups. The protocol of training consisted of three sessions per week for 8 weeks and about 30 min for each session...
October 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29113357/brain-gray-matter-abnormalities-in-progressive-supranuclear-palsy-revisited
#19
PingLei Pan, Yi Liu, Yang Zhang, Hui Zhao, Xing Ye, Yun Xu
Whole-brain voxel-based morphometry (VBM) studies of progressive supranuclear palsy (PSP) have demonstrated heterogeneous findings regarding gray matter (GM) abnormalities. Here, we used Seed-based d Mapping, a coordinate-based meta-analytic approach to identify consistent regions of GM anomalies across studies of PSP. Totally, 18 original VBM studies, comprising 284 patients with PSP and 367 healthy controls were included. As compared to healthy controls, patients with PSP demonstrated significant GM reductions in both cortical and subcortical regions, including the frontal motor cortices, medial (including anterior cingulate cortex) and lateral frontal cortices, insula, superior temporal gyrus, striatum (putamen and caudate nucleus), thalamus, midbrain, and anterior cerebellum...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29112981/adjustment-of-the-dynamic-weight-distribution-as-a-sensitive-parameter-for-diagnosis-of-postural-alteration-in-a-rodent-model-of-vestibular-deficit
#20
Brahim Tighilet, David Péricat, Alais Frelat, Yves Cazals, Guillaume Rastoldo, Florent Boyer, Olivier Dumas, Christian Chabbert
Vestibular disorders, by inducing significant posturo-locomotor and cognitive disorders, can significantly impair the most basic tasks of everyday life. Their precise diagnosis is essential to implement appropriate therapeutic countermeasures. Monitoring their evolution is also very important to validate or, on the contrary, to adapt the undertaken therapeutic actions. To date, the diagnosis methods of posturo-locomotor impairments are restricted to examinations that most often lack sensitivity and precision...
2017: PloS One
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