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Postural deviations

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https://www.readbyqxmd.com/read/28331301/correlation-between-movement-complexity-during-static-standing-and-balance-function-in-institutionalized-older-adults
#1
Momoko Yamagata, Tome Ikezoe, Midori Kamiya, Mitsuhiro Masaki, Noriaki Ichihashi
PURPOSE: Sample entropy (SampEn) is an analysis to evaluate movement complexity of the center of pressure (COP). A lower value of SampEn indicates lower complexity of COP variability, that is, rigidity, and lower degrees of freedom. Previous studies reported the association of increased SampEn with improved standing balance ability in young subjects. However, no studies have examined these relationships among older adults. Thus, we aimed to investigate the relationship between SampEn and standing balance ability in older adults...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28315806/paroxysmal-nonepileptic-events-in-children-with-epilepsy
#2
Yuji Ito, Hiroyuki Kidokoro, Tamiko Negoro, Masaharu Tanaka, Yu Okai, Yoko Sakaguchi, Chikako Ogawa, Tomoya Takeuchi, Atsuko Ohno, Hiroyuki Yamamoto, Tomohiko Nakata, Satoshi Maesawa, Kazuyoshi Watanabe, Yoshiyuki Takahashi, Jun Natsume
OBJECTIVE: The aim of this study was to clarify the characteristics of paroxysmal nonepileptic events (PNEs) suspected as being epileptic seizures by families of children with epilepsy. METHODS: The video-EEG (vEEG) recordings of habitual paroxysmal events in children with epilepsy at Nagoya University Hospital between October 2006 and January 2016 were reviewed. Based on the doctor's suspicion before the vEEG, the PNEs were divided into two groups that included PNEs suspected as epileptic seizures and PNEs suspected as PNEs...
February 27, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28292694/asb-clinical-biomechanics-award-winner-2016-assessment-of-gaze-stability-within-24-48hours-post-concussion
#3
Nicholas G Murray, Nathan R D'Amico, Douglas Powell, Megan E Mormile, Katelyn E Grimes, Barry A Munkasy, Russell K Gore, Rebecca J Reed-Jones
BACKGROUND: Approximately 90% of athletes with concussion experience a certain degree of visual system dysfunction immediately post-concussion. Of these abnormalities, gaze stability deficits are denoted as among the most common. Little research quantitatively explores these variables post-concussion. As such, the purpose of this study was to investigate and compare gaze stability between a control group of healthy non-injured athletes and a group of athletes with concussions 24-48hours post-injury...
March 6, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28291825/development-and-evaluation-of-a-soft-wearable-weight-support-device-for-reducing-muscle-fatigue-on-shoulder
#4
Daegeun Park, Kyu-Jin Cho
Compensating the weight of human limbs is important in reducing muscle fatigue experienced by manual laborers. In this study, a compact and lightweight soft wearable weight support device was developed and evaluated. The device supports gravitational force on the shoulder at any arm posture, although there are some limitations in its assistive performance. The device actuator consists of a cam-rod structure, a tendon-driven mechanism, and a rubber band. The desired assistive torque is translated to the shoulder joint along a tendon routing structure...
2017: PloS One
https://www.readbyqxmd.com/read/28281005/a-clinical-study-of-the-coronal-plane-deformity-in-parkinson-disease
#5
Xiaoyun Ye, Danning Lou, Xueping Ding, Chaoyan Xie, Jixiang Gao, Yuting Lou, Zhidong Cen, Yuxiang Xiao, Qianzhuang Miao, Fei Xie, Xiaosheng Zheng, Jianxin Wu, Fangcai Li, Wei Luo
BACKGROUND: Postural deformities in the coronal plane were frequent and disabling complications of PD, which reduces the quality of life of patients. This study aimed to garner greater attention to the Parkinson disease (PD)-related postural trunk deviations in the coronal plane by exploring a method for diagnosis because of the lack of any uniform diagnostic criteria and epidemiological studies. It also aimed to provide correlation data in the Chinese PD patients. METHODS: In this cross-sectional study, 503 consecutive outpatients with PD were enrolled who underwent standardized clinical evaluation...
March 9, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28258815/comparison-between-the-effects-of-postanesthetic-xylazine-and-dexmedetomidine-on-characteristics-of-recovery-from-sevoflurane-anesthesia-in-horses
#6
Alonso G P Guedes, Caitlin C Tearney, Alessia Cenani, Fabio Aristizabal, Jorge Nieto
OBJECTIVE: To compare postanesthetic xylazine and dexmedetomidine on recovery characteristics from sevoflurane anesthesia in horses. STUDY DESIGN: Randomized, crossover study. ANIMALS: Six geldings, mean±standard deviation (SD) (range), 17±4 (11-24) years and 527±80 (420-660) kg. METHODS: Horses were anesthetized with sevoflurane for 60 minutes under standardized conditions for a regional limb perfusion study. In recovery, horses were administered either xylazine (200 μg kg(-1)) or dexmedetomidine (0...
January 11, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28254627/inferior-rectus-transposition-a-novel-procedure-for-abducens-palsy
#7
Federico G Velez, Melinda Y Chang, Stacy L Pineles
PURPOSE: Superior rectus transposition (SRT) has been popularized for the treatment of abduction deficiencies. Potential complications include induced vertical deviation and torsion. A new procedure, the inferior rectus transposition (IRT) may be similarly beneficial for patients at risk for post-operative vertical deviation or incyclotropia. The purpose of this study is to describe the outcomes of patients undergoing IRT. DESIGN: Prospective, interventional case series METHODS: Five patients in an academic pediatric ophthalmology and strabismus practice with a complete lateral rectus palsy who underwent IRT were studied...
February 27, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28251240/does-age-modify-the-association-between-physical-work-demands-and-deterioration-of-self-rated-general-health
#8
Hermann Burr, Anne Pohrt, Reiner Rugulies, Andreas Holtermann, Hans Martin Hasselhorn
Objective Due to the growing proportion of older employees in the work force in several countries, the importance of age in the association between work and health is becoming increasingly relevant. Few studies have investigated whether age modifies the association of physical work demands with health. We hypothesized that the association of demanding body postures with deteriorated self-rated health (SRH) is stronger among older employees than among younger employees. Method We analyzed three 5-year cohorts in the Danish Work Environment Cohort Study comprising 8318 observations from 5204 employees (follow-up participation rate 83%) with good baseline SRH...
March 2, 2017: Scandinavian Journal of Work, Environment & Health
https://www.readbyqxmd.com/read/28245206/cerebrovascular-and-cardiovascular-variability-interactions-investigated-through-conditional-joint-transfer-entropy-in-subjects-prone-to-postural-syncope
#9
Vlasta Bari, Beatrice De Maria, Claudio Enrico Mazzucco, Gianluca Rossato, Davide Tonon, Giandomenico Nollo, Luca Faes, Alberto Porta
A model-based conditional transfer entropy approach was exploited to quantify the information transfer in cerebrovascular (CBV) and cardiovascular (CV) systems in subjects prone to develop postural syncope. Spontaneous beat-to-beat variations of mean cerebral blood flow velocity (MCBFV) derived from a transcranial Doppler device, heart period (HP) derived from surface electrocardiogram, mean arterial pressure (MAP) and systolic arterial pressure (SAP) derived from finger plethysmographic arterial pressure device were monitored at rest in supine position (REST) and during 60° head-up tilt (TILT) in 13 individuals (age mean±standard deviation: 28±9 years, min-max range: 18-44 years, 5 males) with a history of recurrent episodes of syncope (SYNC) and in 13 age- and gender-matched controls (NonSYNC)...
February 28, 2017: Physiological Measurement
https://www.readbyqxmd.com/read/28229267/prevalence-of-incorrect-body-posture-in-children-and-adolescents-with-overweight-and-obesity
#10
Katarzyna Maciałczyk-Paprocka, Barbara Stawińska-Witoszyńska, Tomasz Kotwicki, Anna Sowińska, Alicja Krzyżaniak, Jarosław Walkowiak, Małgorzata Krzywińska-Wiewiorowska
The ever increasing epidemics of overweight and obesity in school children may be one of the reasons of the growing numbers of children with incorrect body posture. The purpose of the study was the assessment of the prevalence of incorrect body posture in children and adolescents with overweight and obesity in Poznań, Poland. The population subject to study consisted of 2732 boys and girls aged 3-18 with obesity, overweight, and standard body mass. The assessment of body mass was performed based on BMI, adopting Cole's cutoff values...
February 22, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28218341/influence-of-hip-and-knee-osteoarthritis-on-dynamic-postural-control-parameters-among-older-fallers
#11
Sumaiyah Mat, Chin Teck Ng, Maw Pin Tan
OBJECTIVE: To compare the relationship between postural control and knee and hip osteoarthritis in older adults with and without a history of falls. METHODS: Fallers were those with ≥ 2 falls or 1 injurious fall over 12 months. Non-fallers were volunteers with no falls in the past year. Radiological evidence of osteoarthritis with no reported symptoms was considered "asymptomatic osteoarthritis", while "symptomatic osteoarthritis" was defined as radiographic osteoarthritis with pain or stiffness...
February 16, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28215990/neural-mechanisms-of-single-corrective-steps-evoked-in-the-standing-rabbit
#12
L-J Hsu, P V Zelenin, V F Lyalka, M G Vemula, G N Orlovsky, T G Deliagina
Single steps in different directions are often used for postural corrections. However, our knowledge about the neural mechanisms underlying their generation is scarce. This study was aimed to characterize the corrective steps generated in response to disturbances of the basic body configuration caused by forward, backward or outward displacement of the hindlimb, as well as to reveal location in the CNS of the corrective step generating mechanisms. Video recording of the motor response to translation of the supporting surface under the hindlimb along with contact forces and activity of back and limb muscles was performed in freely standing intact and in fixed postmammillary rabbits...
April 7, 2017: Neuroscience
https://www.readbyqxmd.com/read/28211643/postural-analysis-in-a-pediatric-cohort-of-patients-with-ehlers-danlos-syndrome-a-pilot-study
#13
Claudio Lisi, Serena Monteleone, Carmine Tinelli, Berardo Rinaldi, Giuseppe Di Natali, Salvatore Savasta
BACKGROUND: The Ehlers-Danlos Syndrome (EDS) is a rare disorder affecting the connective tissue. EDS patients may suffer of proprioception and balance impairment but all the studies dealing with such symptoms have been addressed to adult subjects. The Study of such impairment in younger patients may lead to a better awareness of own motor abilities and to a focused rehabilitative intervention. Therefore, our work aims to assess the occurrence of these alterations in a pediatric cohort of EDS patients...
February 17, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28191589/assessment-of-musculoskeletal-impairment-in-head-and-neck-cancer-patients
#14
Michael K Ghiam, Kyle Mannion, Mary S Dietrich, Kristen L Stevens, Jill Gilbert, Barbara A Murphy
PURPOSE: This study aims to describe the types of musculoskeletal impairment in head and neck cancer survivors and to evaluate objective and subjective measures of musculoskeletal impairment and identify areas of need in future studies. METHODS: This is a cross-sectional pilot study of 29 head and neck cancer patients who were treated with resection and reconstruction. Subjective measures of musculoskeletal impairment (Neck Disability Index, Shoulder Pain and Disability Index, Vanderbilt Head and Neck Symptom Survey, General Symptom Survey) were collected and compared to objective measures (Cervical Range of Motion Device, Inter-incisal Distance)...
February 13, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28187305/improvement-of-upper-trunk-posture-during-walking-in-hemiplegic-patients-after-injections-of-botulinum-toxin-into-the-arm
#15
Harald Hefter, Dietmar Rosenthal
BACKGROUND: It has been hypothesized that altered trunk movements during gait in post-stroke patients or children with cerebral palsy are compensatory to lower limb impairment. Improvement of trunk movements and posture after injections of botulinum toxin into the affected arm would be at variance with this hypothesis and hint towards a multifactorial trunk control deficit. PATIENTS AND METHODS: Clinical gait analysis was performed in 11 consecutively recruited hemiplegic patients immediately before and 4weeks after a botulinum toxin type A-injection into the affected arm...
January 26, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28169098/knee-joint-moments-during-high-flexion-movements-timing-of-peak-moments-and-the-effect-of-safety-footwear
#16
Helen C Chong, Liana M Tennant, David C Kingston, Stacey M Acker
AIM: (1) Characterize knee joint moments and peak knee flexion moment timing during kneeling transitions, with the intent of identifying high-risk postures. (2) Determine whether safety footwear worn by kneeling workers (construction workers, tile setters, masons, roofers) alters high flexion kneeling mechanics. METHODS: Fifteen males performed high flexion kneeling transitions. Kinetics and kinematics were analyzed for differences in ascent and descent in the lead and trail legs...
February 4, 2017: Knee
https://www.readbyqxmd.com/read/28115418/standardization-of-physical-measurements-in-european-health-examination-surveys-experiences-from-the-site-visits
#17
Hanna Tolonen, Johanna Mäki-Opas, Jennifer S Mindell, Antonia Trichopoulou, Androniki Naska, Satu Männistö, Simona Giampaoli, Kari Kuulasmaa, Päivikki Koponen
BACKGROUND: Health examination surveys (HESs) provide valuable data on health and its determinants at the population level. Comparison of HES results within and between countries and over time requires measurements which are free of bias due to differences in or adherence to measurement procedures and/or measurement devices. METHODS: In the European HES (EHES) Pilot Project, 12 countries conducted a pilot HES in 2010-11 using standardized measurement protocols and centralized training...
January 23, 2017: European Journal of Public Health
https://www.readbyqxmd.com/read/28113322/comparison-of-constant-posture-force-varying-emg-force-dynamic-models-about-the-elbow
#18
Chenyun Dai, Berj Bardizbanian, Edward A Clancy
Numerous techniques have been used to minimize error in relating the surface electromyogram (EMG) to elbow joint torque. We compare the use of three techniques to further reduce error. First, most EMG-torque models only use estimates of EMG standard deviation as inputs. We studied the additional features of average waveform length, slope sign change rate and zero crossing rate. Second, multiple channels of EMG from the biceps, and separately from the triceps, have been combined to produce two low-variance model inputs...
December 14, 2016: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28103470/gender-differences-in-asymmetrical-limb-support-patterns-between-subjects-with-and-without-recurrent-low-back-pain
#19
Paul S Sung, J Tim Zipple, Pamela Danial
New insight regarding limb-dominance effects on temporal-spatial gait parameters is needed to further investigate subjects with recurrent low back pain (LBP). Although an asymmetrical gait pattern was found to reflect natural functional differences, there is a lack of information regarding gender differences on dominant limb support patterns in subjects with LBP. The purpose of this study was to investigate temporal-spatial gait parameters based on limb dominance and gender between subjects with and without LBP...
January 16, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28095106/gender-differences-in-static-and-dynamic-postural-stability-of-soldiers-of-the-army-s-101st-airborne-division-air-assault
#20
Timothy C Sell, Mita T Lovalekar, Takashi Nagai, Michael D Wirt, John P Abt, Scott M Lephart
CONTEXT: Postural stability is essential for injury prevention and performance. Differences between genders may affect training focus. OBJECTIVE: To examine static and dynamic postural stability (PS) in male and female Soldiers Design: Descriptive Laboratory Study. SETTING: Biomechanics laboratory. PARTICIPANTS: Twenty-five healthy female Soldiers (26.4 ± 5.3 years) and twenty-five healthy male Soldiers (26.4 ± 4.9) years matched on physical demand rating, and years of service from the Army's 101st Airborne Division (Air Assault)...
January 17, 2017: Journal of Sport Rehabilitation
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