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Postural control

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https://www.readbyqxmd.com/read/28431150/the-natural-history-of-children-with-joint-hypermobility-syndrome-and-ehlers-danlos-hypermobility-type-a-longitudinal-cohort-study
#1
Mark C Scheper, Lesley L Nicholson, Roger D Adams, Louise Tofts, Verity Pacey
Objectives.: The objective of the manuscript was to describe the natural history of complaints and disability in children diagnosed with joint hypermobility syndrome (JHS)/Ehlers-Danlos-hypermobility type (EDS-HT) and to identify the constructs that underlie functional decline. Methods.: One hundred and one JHS/EDS-HT children were observed over 3 years and assessed at three time points on the following: functional impairments, quality of life, connective tissue laxity, muscle function, postural control and musculoskeletal and multi-systemic complaints...
April 18, 2017: Rheumatology
https://www.readbyqxmd.com/read/28427725/association-of-mild-leg-length-discrepancy-and-degenerative-changes-in-the-hip-joint-and-lumbar-spine
#2
Kelvin J Murray, Tom Molyneux, Michael R Le Grande, Aurora Castro Mendez, Franz K Fuss, Michael F Azari
OBJECTIVE: The purpose of this study was to evaluate the correlation between mild leg length discrepancy (LLD) and degenerative joint disease (DJD) or osteoarthritis. METHODS: We evaluated standard postural lumbopelvic radiographs from 255 adults (121 women and 134 men) who had presented with spinal pain for chiropractic care. Symmetry of femoral head diameters was used to exclude magnification errors. Pearson's partial correlation was used to control for age and derive effect sizes for LLD on DJD in the hip and lower lumbar motion segments...
April 17, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28427544/what-s-the-secret-behind-the-benefits-of-whole-body-vibration-training-in-patients-with-copd-a-randomized-controlled-trial
#3
Rainer Gloeckl, Inga Jarosch, Ulrike Bengsch, Magdalena Claus, Tessa Schneeberger, Vasileios Andrianopoulos, Jeffrey W Christle, Wolfgang Hitzl, Klaus Kenn
BACKGROUND: Several studies have shown that whole-body vibration training (WBVT) improves exercise capacity in patients with severe COPD. The aim of this study was to investigate the determinants of improved exercise capacity following WBVT. METHODS: Seventy-four COPD patients (FEV1: 34 ± 9%predicted) were recruited during a 3-week inpatient pulmonary rehabilitation (PR) program. Conventional endurance and strength exercises were supplemented with self-paced dynamic squat training sessions (4bouts*2min, 3times/wk)...
May 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28425239/an-8-week-thoracic-spine-stabilization-exercise-program-improves-postural-back-pain-spine-alignment-postural-sway-and-core-endurance-in-university-students-a-randomized-controlled-study
#4
Şeyda Toprak Çelenay, Derya Özer Kaya
BACKGROUND/AIM: To investigate the effects of an 8-week thoracic stabilization exercise program on back pain, spinal alignment, postural sway, and core endurance in university students. MATERIALS AND METHODS: University students were randomly allocated into exercise (n: 28) and control (n: 25) groups. The exercise program was carried out 3 days a week for 8 weeks. Postural pain, spinal alignment, postural sway, and core endurance were assessed via visual analogue scale, Spinal Mouse, Biodex Balance System, and McGill's trunk muscle endurance tests at the baseline and after 8 weeks of training...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28425221/conceptualizing-movement-by-expert-bobath-instructors-in-neurological-rehabilitation
#5
Julie Vaughan-Graham, Kara Patterson, Karl Zabjek, Cheryl A Cott
RATIONALE, AIMS, AND OBJECTIVES: Movement, a core aspect of physiotherapy practice, and integral to the clinical reasoning process has undergone limited theoretical development. Instead, research has focused on intervention effectiveness embedded within the positivist paradigm. The purpose of this study was to explore how expert neurorehabilitation therapists conceptualize movement as part of their clinical reasoning. METHOD: A qualitative interpretive descriptive approach consisting of stimulated recall using video-recorded treatment sessions and in-depth interviews was used...
April 20, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28421179/synergy-based-bilateral-port-a-universal-control-module-for-tele-manipulation-frameworks-using-asymmetric-master-slave-systems
#6
Anais Brygo, Ioannis Sarakoglou, Giorgio Grioli, Nikos Tsagarakis
Endowing tele-manipulation frameworks with the capability to accommodate a variety of robotic hands is key to achieving high performances through permitting to flexibly interchange the end-effector according to the task considered. This requires the development of control policies that not only cope with asymmetric master-slave systems but also whose high-level components are designed in a unified space in abstraction from the devices specifics. To address this dual challenge, a novel synergy port is developed that resolves the kinematic, sensing, and actuation asymmetries of the considered system through generating motion and force feedback references in the hardware-independent hand postural synergy space...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/28420978/resting-state-fmri-reveals-increased-subthalamic-nucleus-and-sensorimotor-cortex-connectivity-in-patients-with-parkinson-s-disease-under-medication
#7
Bo Shen, Yang Gao, Wenbin Zhang, Liyu Lu, Jun Zhu, Yang Pan, Wenya Lan, Chaoyong Xiao, Li Zhang
Functional connectivity (FC) between the subthalamic nucleus (STN) and the sensorimotor cortex is increased in off-medication patients with Parkinson's disease (PD). However, the status of FC between STN and sensorimotor cortex in on-medication PD patients remains unclear. In this study, resting state functional magnetic resonance imaging was employed on 31 patients with PD under medication and 31 healthy controls. Two-sample t-test was used to study the change in FC pattern of the STN, the FC strength of the bilateral STN was correlated with overall motor symptoms, while unilateral STN was correlated with offside motor symptoms...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28420971/dynamic-increase-in-corticomuscular-coherence-during-bilateral-cyclical-ankle-movements
#8
Takashi Yoshida, Kei Masani, Karl Zabjek, Robert Chen, Milos R Popovic
In humans, the midline primary motor cortex is active during walking. However, the exact role of such cortical participation is unknown. To delineate the role of the primary motor cortex in walking, we examined whether the primary motor cortex would activate leg muscles during movements that retained specific requirements of walking (i.e., locomotive actions). We recorded electroencephalographic and electromyographic signals from 15 healthy, young men while they sat and performed bilateral, cyclical ankle movements...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28419876/reproducibility-of-the-balance-evaluation-systems-test-bestest-and-the-mini-bestest-in-school-aged-children
#9
R Dewar, A P Claus, K Tucker, R Ware, L M Johnston
This study evaluated the intra-rater, inter-rater and test-retest reproducibility of the Full-BESTest and Mini-BESTest when assessing postural control in children. Thirty-four children aged 7-17 years participated in intra-rater and inter-rater evaluation, and 22 children repeated assessment six weeks later for evaluation of test-retest reliability. Postural control was assessed using the Full Balance Evaluation Systems Test (Full-BESTest) and the short-form Mini-BESTest. Intra-rater, inter-rater and test-retest reproducibility were examined using video assessment...
April 6, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28417836/cervical-spine-status-of-pilots-and-air-controllers-of-airborne-early-warning-and-control-aircraft
#10
Young Ho Shin, Chul Yun, Andrew Hogyu Han
INTRODUCTION: Many countries have developed their own airborne early warning and control (AEW&C) systems for use in surveying their territorial sky in real time. However, a review of the literature suggests that no studies have been conducted to analyze the cervical spine of pilots and air-controllers of AEW&C aircraft. METHODS: The study subjects were 80 pilots and air-controllers of AEW&C aircraft with a period of service of > 1 yr and had data on physical examinations, simple radiographs and functional scores of the axial skeleton, and questionnaires about lifestyle and working conditions...
May 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28415899/specific-muscle-synergies-in-national-elite-female-ice-hockey-players-in-response-to-unexpected-external-perturbation
#11
Minhee Kim, Yushin Kim, Hyeyoung Kim, BumChul Yoon
This study aimed to investigate specific muscle synergies in elite ice hockey players indicating highly developed postural control strategies used to restore balance against unexpected external perturbations. Seven elite athletes (EA) on the women's national ice hockey team and 7 non-athletes (NA) participated in this study. Based on trajectories of centre of mass (COM), analysis periods were divided into an initial phase (a balance disturbance after perturbation onset) and a reversal phase (a balance recovery response), respectively...
April 18, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28413490/noninvasive-cumulative-axial-load-may-induce-intervertebral-disc-degeneration-a-potential-rabbit-model
#12
Xuedong Bai, Deli Wang, Mingyue Zhou, Cheng Xu, Wei Li, Hui Tao, Qing He, Dike Ruan
Intervertebral disc degeneration (IDD) is considered to be the main cause of many spinal disorders; however, its underlying pathophysiology is not clearly understood. Recent studies indicate that excessive mechanical loading may serve a major role in the initiation of IDD. The aim of the present study was to explore the effect of noninvasive cumulative axial loading on the intervertebral discs of the lumbar spine using a novel rabbit model. Rabbits in the experimental group were placed into individual tubes specifically designed to force maintenance of an upright posture and were loaded with a heavy collar to increase the intradiscal pressure of their lumbar spine...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28412603/impairments-of-balance-stepping-reactions-and-gait-in-people-with-cervical-dystonia
#13
Christopher Barr, Rhiannon Barnard, Lauren Edwards, Sheila Lennon, Lynley Bradnam
BACKGROUND: Impaired balance is common in neurological disorders. Cervical dystonia is a neurological movement disorder affecting the neck. The effect of this aberrant head posture on physical function is unknown. OBJECTIVES: To compare balance, mobility, gait and stepping reactions between ten people with cervical dystonia and ten control adults. METHODS: Spatiotemporal gait parameters and walking speed were assessed using a computerised walkway...
April 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28411728/improvements-in-musculoskeletal-health-and-computing-behaviors-effects-of-a-macroergonomics-office-workplace-and-training-intervention
#14
Michelle M Robertson, Yueng Hsiang Huang, Jin Lee
Computer use and its association with musculoskeletal and visual symptoms is an escalating concern. Organizations are shifting to a more proactive injury prevention perspective. Accordingly, a macroergonomics intervention consisting of flexible workplace design and office ergonomics training was designed to examine the effects on worker's computing behaviors, postures, and musculoskeletal discomfort, and their relationship to psychosocial factors. Participants were assigned to either group: 1) no-intervention control 2) flexible Workplace-only (WP-only), and 3) flexible Workplace + Training (WP+T)...
July 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28411624/adverse-drug-events-observed-in-patients-with-type-2-diabetes-mellitus-treated-with-100%C3%A2-mg-versus-300%C3%A2-mg-canagliflozin-a-systematic-review-and-meta-analysis-of-published-randomized-controlled-trials
#15
Pravesh Kumar Bundhun, Girish Janoo, Feng Huang
BACKGROUND: Nowadays, canagliflozin monotherapy, or in combination with other oral hypoglycemic agents (OHAs), is often administered in patients who are treated for type 2 diabetes mellitus (T2DM). Therefore, we aimed to systematically compare the adverse drugs events (AEs) which were associated with 100 mg versus 300 mg canagliflozin respectively, using a large number of randomized patients with T2DM which were obtained from published trials. METHODS: Randomized controlled trials (RCTs) comparing 100 mg versus 300 mg canagliflozin in patients who were treated for T2DM were searched from electronic databases...
April 16, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28411488/inter-joint-coordination-of-posture-on-a-seesaw-device
#16
Frédéric Noé, Xavier García-Massó, Thierry Paillard
Even though specific adjustments of the multi-joint control of posture have been observed when posture is challenged, multi-joint coordination on a seesaw device has never been accurately assessed. The current study was conducted in order to investigate the multi-joint coordination when subjects were standing on either a seesaw device or on a stable surface, with the eyes open or closed. Eighteen healthy active subjects were recruited. A principal component analysis and a Self-Organizing Maps analysis were performed on the joint angles in order to detect and characterize dominant coordination patterns...
April 8, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28411444/continuous-and-difficult-discrete-cognitive-tasks-promote-improved-stability-in-older-adults
#17
Yves Lajoie, Deborah A Jehu, Natalie Richer, Alan Chan
Directing attention away from postural control and onto a cognitive task affords the emergence of automatic control processes. Perhaps the continuous withdrawal of attention from the postural task facilitates an automatization of posture as opposed to only intermittent withdrawal; however this is unknown in the aging population. Twenty older adults (69.9±3.5years) stood with feet together on a force platform for 60s while performing randomly assigned discrete and continuous cognitive tasks. Participants were instructed to stand comfortably with their arms by their sides while verbally responding to the auditory stimuli as fast as possible during the discrete tasks, or mentally performing the continuous cognitive tasks...
April 3, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28411441/longitudinal-gait-and-balance-decline-in-friedreich-s-ataxia-a-pilot-study
#18
Theresa A Zesiewicz, Jeannie B Stephenson, Seok Hun Kim, Kelly L Sullivan, Israt Jahan, Yangxin Huang, Jason L Salemi, Lynn Wecker, Jessica D Shaw, Clifton L Gooch
INTRODUCTION: Friedreich's Ataxia (FA) is a devastating, progressive, neurodegenerative disease. Objective measures that detect changes in neurological function in FA patients are needed to facilitate therapeutic clinical trials. The purpose of this pilot study was to analyze longitudinal changes in gait and balance in subjects with FA using the GAITRite Walkway System(®) and Biodex Balance System™, respectively, and to test the ability of these measures to detect change over time compared to the Friedreich's Ataxia Rating Scale (FARS)...
March 30, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28410250/effects-of-antigravity-treadmill-training-on-gait-balance-and-fall-risk-in-children-with-diplegic-cerebral-palsy
#19
Shamekh Mohamed El-Shamy
OBJECTIVE: The aim of this study was to investigate the effects of antigravity treadmill training on gait, balance, and fall risk in children with diplegic cerebral palsy. DESIGN: Thirty children with diplegic cerebral palsy were selected for this randomized controlled study. They were randomly assigned to (1) an experimental group that received antigravity treadmill training (20 mins/d, 3 d/wk) together with traditional physical therapy for 3 successive mos and (2) a control group that received only traditional physical therapy program for the same period...
April 13, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28409515/effects-of-stretching-and-fatigue-on-peak-torque-muscle-imbalance-and-stability
#20
Pablo B Costa, Cassio V Ruas, Cory M Smith
BACKGROUND: The present study examined the acute effects of hamstrings stretching and fatigue on knee extension and flexion peak torque (PT), hamstrings to quadriceps (H:Q) ratio, and postural stability. METHODS: Seventeen women (mean ± SD age = 21.8 ± 2.1 yrs; body mass = 63.0 ± 10.5 kg; height = 164.7 ± 6.2 cm) and eighteen men (25.8 ± 4.6 yrs; 83.6 ± 13.2 kg; 175.3 ± 6.0 cm) took part in three laboratory visits. The first visit was a familiarization session, and the subsequent two visits were randomly assigned as a control or stretching condition...
April 13, 2017: Journal of Sports Medicine and Physical Fitness
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