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Postural deviations

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https://www.readbyqxmd.com/read/29339966/acute-diesel-exhaust-exposure-and-postural-stability-a-controlled-crossover-experiment
#1
Jason Curran, Rachel Cliff, Nadine Sinnen, Michael Koehle, Chris Carlsten
Recent epidemiological evidence connects ambient air pollutants to adverse neurobehavioural effects in adults. In animal models, subchronic controlled exposures to diesel exhaust (DE) have also showed evidence of neuroinflammation. Evidence suggests that DE not only affects outcomes commonly associated with cognitive dysfunction, but also balance impairment. We conducted a controlled human exposure experiment with 28 healthy subjects (average age = 28 years (SD = 7.1; range = 21-49); and 40% female) who were exposed to two conditions, filtered air (FA) and DE (300 μg PM2...
2018: Journal of Occupational Medicine and Toxicology
https://www.readbyqxmd.com/read/29325382/-knapp-procedure-and-modified-knapp-procedure-with-foster-suture-for-the-treatment-of-double-elevator-palsy
#2
Y P Li, W Zhang, J Ding, H Z Ma, K X Zhao
Objective: To investigate the efficacy of Knapp procedure and modified Knapp procedure with Foster suture in the treatment of double elevator palsy(DEP). Methods: Retrospective study. Twenty-two patients with congenital DEP were underwent Knapp procedure (n=15) and modified Knapp procedure(n=7). The clinical data were retrospectively analyzed, including the preoperative and postoperative vertical deviation in the primary position, ocular motility, and binocular vision. Results: The average vertical deviation in the primary position was (34...
December 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29313871/standing-postural-reaction-to-visual-and-proprioceptive-stimulation-in-chronic-acquired-demyelinating-polyneuropathy
#3
Clement P Provost, Sophie Tasseel-Ponche, Pierre Lozeron, Giulia Piccinini, Victorine Quintaine, Bertrand Arnulf, Nathalie Kubis, Alain P Yelnik
OBJECTIVE: To investigate the weight of visual and proprioceptive inputs, measured indirectly in standing position control, in patients with chronic acquired demyelinating polyneuropathy (CADP). DESIGN: Prospective case study. SUBJECTS: Twenty-five patients with CADP and 25 healthy controls. METHODS: Posture was recorded on a double force platform. Stimulations were optokinetic (60°/s) for visual input and vibration (50 Hz) for proprioceptive input...
January 9, 2018: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29307157/the-effect-of-vestibular-rehabilitation-therapy-program-on-sensory-organization-of-deaf-children-with-bilateral-vestibular-dysfunction
#4
Amir Abbas Ebrahimi, Ali Ashraf Jamshidi, Guita Movallali, Mehdi Rahgozar, Hojjat Allah Haghgoo
The purpose of this study was to determine the effect of vestibular rehabilitation therapy program on the sensory organization of deaf children with bilateral vestibular dysfunction. This cross-sectional and analytic study was conducted on 24 students between the age of 7 and 12 years (6 girls and 18 boys) with the profound sensorineural hearing loss (PTA>90 dB). They were assessed through the balance subtest in Bruininks-Oseretsky test of motor proficiency (BOTMP). For children which the total score of the balance subtest was 3 standard deviation lower than their peers with typical development, vestibular function testing was completed pre-intervention...
November 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/29305609/does-wrist-laxity-influence-3d-carpal-bone-motion
#5
Gordie Best, Michelle Zec, David Pichora, Robin Kamal, Michael J Rainbow
Previous 2D studies have shown that there is a spectrum of carpal mechanics that varies between row-type motion and column-type motion as a function of wrist laxity. More recent 3D studies have suggested instead that carpal bone motion is consistent across individuals. The purpose of this study was to use 3D methods to determine whether carpal kinematics differ between stiffer wrists and wrists with higher laxity. Wrist laxity was quantified using a goniometer in 10 subjects by measuring passive wrist flexion-extension range of motion...
January 5, 2018: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29299740/augmented-superior-rectus-transposition-procedure-in-duane-retraction-syndrome-compared-with-sixth-nerve-palsy
#6
Mohammadreza Akbari, Setareh Shomali, Arash Mirmohammadsadeghi, Masoud Aghsaei Fard
PURPOSE: Superior rectus transposition (SRT) with medial rectus recession has been used for the treatment of sixth nerve palsy and esotropic Duane retraction syndrome (DRS). The purpose of this study was to compare the results of augmented SRT (with scleral fixation) without medial rectus recession in DRS and sixth nerve palsy. METHODS: Patients with unilateral esotropic DRS (DRS group) and sixth nerve palsy were included in this prospective, comparative study and underwent SRT...
January 3, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29288435/balance-training-does-not-alter-reliance-on-visual-information-during-static-stance-in-those-with-chronic-ankle-instability-a-systematic-review-with-meta-analysis
#7
REVIEW
Kyeongtak Song, Evan Rhodes, Erik A Wikstrom
BACKGROUND: Visual, vestibular, and somatosensory systems contribute to postural control. Chronic ankle instability (CAI) patients have been observed to have a reduced ability to dynamically shift their reliance among sources of sensory information and rely more heavily on visual information during a single-limb stance relative to uninjured controls. Balance training is proven to improve postural control but there is a lack of evidence regarding the ability of balance training programs to alter the reliance on visual information in CAI patients...
December 29, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29281461/reliability-of-postural-measures-in-elite-badminton-players-using-posture-pro-8
#8
Kim Hébert-Losier, Fahmi Abd Rahman
The Posture Pro software is used for photogrammetry assessment of posture and has been commercially available for several years. Along with symmetry-related measures, a Posture Number® is calculated to reflect the sum of postural deviations. Our aim was to investigate the intra- and inter-rater reliability of measures extracted using the Posture Pro 8 software without using reference markers on subjects. Four raters assessed the standing posture of 40 badminton players (20 males, 20 females) from anterior, lateral, and posterior photographs...
December 27, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29246187/muscle-co-contraction-in-elderly-people-change-due-to-postural-stability-during-single-leg-standing
#9
Yoshitaka Iwamoto, Makoto Takahashi, Koichi Shinkoda
BACKGROUND: Muscle co-contraction is the simultaneous contraction of agonist and antagonist muscles crossing a joint, and it increases with age. This study primarily aimed to clarify the difference in the effect of a light fingertip contact to stationary surface on postural sway and muscle co-contraction during single-leg standing (SLS) between young and elderly groups; the secondary aim was to reveal the quantitative difference in the muscle co-contraction of the ankle joint among the three different support structure conditions in the elderly group...
December 16, 2017: Journal of Physiological Anthropology
https://www.readbyqxmd.com/read/29240965/clinical-impact-of-repolarization-changes-in-supine-versus-upright-body-position
#10
Susanne Markendorf, Thomas Felix Lüscher, Jin-Hong Gerds-Li, Felix Schönrath, Christian Marc Schmied
BACKGROUND: The impact of postural changes on various electrocardiography (ECG) charac-teristics has only been assessed in a few small studies. This large prospective trial was con-ducted to confirm or refute preliminary data and add important results with immediate impact on daily clinical practice. METHODS: ECGs in supine and upright position from 1028 patients were analyzed. Evaluation was made according to changes in T-wave vector and direction, ST-segment deviation, heart rate, QT interval and QTc interval was performed...
December 14, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/29238181/the-link-between-weight-shift-asymmetry-and-gait-disturbances-in-chronic-hemiparetic-stroke-patients
#11
Andrzej Szopa, Małgorzata Domagalska-Szopa, Anetta Lasek-Bal, Amadeusz Żak
Introduction: While the asymmetry of body posture and the asymmetrical nature of hemiparetic gait in poststroke (PS) patients are well documented, the role of weight shift asymmetry in gait disorders after stroke remains unclear. Objective: We examined the association of weight-bearing asymmetry (WBA) between paretic and nonparetic lower limbs during quiet standing with the degree of deviation of hemiplegic gait from normal gait evaluated by the Gillette Gait Index (GGI) incorporating 16 distinct clinically important kinematic and temporal parameters in chronic PS patients...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29224907/quantitative-postural-analysis-of-children-with-congenital-visual-impairment
#12
Michelle de Pádua, Juliana F Sauer, Silvia M A João
OBJECTIVES: The aim of this study was to compare the postural alignment of children with visual impairment with that of children without visual impairment. METHODS: The sample studied was 74 children of both sexes ages 5 to 12 years. Of these, 34 had visual impairment and 40 were control children. Digital photos from the standing position were used to analyze posture. Postural variables, such as tilt of the head, shoulder position, scapula position, lateral deviation of the spine, ankle position in the frontal plane and head posture, angle of thoracic kyphosis, angle of lumbar lordosis, pelvis position, and knee position in the frontal and sagittal planes, were measured with the Postural Assessment Software 0...
December 7, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/29211742/fear-of-falling-and-postural-reactivity-in-patients-with-glaucoma
#13
Fábio B Daga, Alberto Diniz-Filho, Erwin R Boer, Carolina P B Gracitelli, Ricardo Y Abe, Felipe A Medeiros
PURPOSE: To investigate the relationship between postural metrics obtained by dynamic visual stimulation in a virtual reality environment and the presence of fear of falling in glaucoma patients. METHODS: This cross-sectional study included 35 glaucoma patients and 26 controls that underwent evaluation of postural balance by a force platform during presentation of static and dynamic visual stimuli with head-mounted goggles (Oculus Rift). In dynamic condition, a peripheral translational stimulus was used to induce vection and assess postural reactivity...
2017: PloS One
https://www.readbyqxmd.com/read/29202333/aortic-atherosclerosis-is-a-key-modulator-of-the-prognostic-value-of-postural-blood-pressure-changes
#14
Pierre-Yves Courand, Brahim Harbaoui, Helène Fay, Adrien Grandjean, Hugues Milon, Pierre Lantelme
BACKGROUND AND AIMS: Orthostatic blood pressure decrease or increase has been related to cardiovascular events in hypertensive patients. Large blood pressure changes after orthostatic stress are associated with autonomic and neurohormonal abnormalities; aortic atherosclerosis (ATS) may also play a role. METHODS: We investigated the interaction of ATS on the prognostic value of postural blood pressure changes. In a cohort of 958 hypertensive patients with an aortography (mean ± standard deviation age 44 ± 11 years, 61% men, mean blood pressure 182/110 mmHg), blood pressure was measured after 10 min of rest in the supine position...
November 26, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29200631/the-effects-of-aging-on-the-subjective-vertical-in-the-frontal-plane-in-healthy-adults
#15
Kazuhiro Fukata, Kazu Amimoto, Yuji Fujino, Masahide Inoue, Mamiko Inoue, Yosuke Takahashi, Shigeru Makita, Hidetoshi Takahashi
[Purpose] To determine age-related differences in the subjective vertical in the frontal plane in healthy adults. [Subjects and Methods] The subjects were 26 healthy adults. For the subjective visual vertical (SVV), subjects were presented with a visual indicator in front of them that was rotated. For the subjective postural vertical-eyes open (SPV-EO) and subjective postural vertical (SPV), subjects sat in a seating device that was tilted right or left. The subjects gave a signal when they perceived true verticality...
November 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29199032/surgical-outcome-of-superior-rectus-transposition-in-esotropic-duane-syndrome-and-abducens-nerve-palsy
#16
Rohit Agarwal, Medha Sharma, Rohit Saxena, Pradeep Sharma
PURPOSE: To evaluate surgical outcome of superior rectus transposition (SRT) in esotropic Duane syndrome (DS) and abducens nerve palsy. METHODS: Retrospective medical record analysis of all patients with esotropic DS and abducens nerve palsy treated with SRT at our center with minimum follow-up of 6 months. Primary outcome measures were esotropia in primary position and abduction limitation. Secondary outcome measures included head turn, stereopsis, and cyclovertical deviations...
November 30, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/29198717/seatbelt-paths-of-the-pregnant-women-sitting-in-the-rear-seat-of-a-motor-vehicle
#17
Masahito Hitosugi, Takeshi Koseki, Yuka Kinugasa, Tomokazu Hariya, Genta Maeda, Yasuki Motozawa
PURPOSE: Seatbelt use during pregnancy is important to improve maternal and fetal survival after motor vehicle collisions. However, because the rear seatbelt of a motor vehicle tends to make contact with the neck, even if it is adequately used, some pregnant women sitting in the rear seat opt not to fasten the belt. The purpose of this study is to explore seatbelt-neck contact for pregnant women sitting in the rear seat of a motor vehicle. METHODS: We carried out an anthropometric study...
November 4, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/29153480/spatial-orientation-and-postural-control-in-patients-with-parkinson-s-disease
#18
E Pawlitzki, C Schlenstedt, N Schmidt, I Rotkirch, F Gövert, G Hartwigsen, K Witt
Postural instability is one of the most disabling and risky symptoms of advanced Parkinson's disease (PD). The purpose of this study was to investigate whether and how this is mediated by a centrally impaired spatial orientation. Therefore, we performed a spatial orientation study in 21 PD patients (mean age 68years, SD 8.5 years, 9 women) in a medically on condition and 21 healthy controls (mean age 68.9years, SD 5.5years, 14 women). We compared their spatial responses to the horizontal axis (Sakashita's visual target cancellation task), the vertical axis (bucket-test), the sagittal axis (tilt table test) and postural stability using the Fullerton Advanced Balance Scale (FAB)...
November 13, 2017: Gait & Posture
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
#19
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/29138873/effects-of-cognitive-load-on-the-amount-and-temporal-structure-of-postural-sway-variability-in-stroke-survivors
#20
Hajar Mehdizadeh, Kinda Khalaf, Hamed Ghomashchi, Ghorban Taghizadeh, Ismaeil Ebrahimi, Parvaneh Taghavi Azar Sharabiani, Seyed Javad Mousavi, Mohamad Parnianpour
This study aimed to investigate the variability in postural sway patterns during quiet standing in stroke survivors. The postural sway was measured in 19 stroke survivors, as well as 19 healthy demographically matched participants, at 3 levels of postural difficulty (rigid surface with closed and open eyes, and foam surface with closed eyes), and 3 levels of cognitive difficulty (without a cognitive task, easy and difficult cognitive tasks). Both linear analyses (the amount of postural sway variability, including the standard deviation of the COP velocity in both the anteroposterior (AP) and mediolateral (ML) directions), as well as non-linear analyses [the temporal structure of the COP variability, including % Recurrence, % Determinism, Shannon Entropy, Trend and the maximum diagonal line (D max)] were employed...
November 14, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
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