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https://www.readbyqxmd.com/read/28719766/energy-expenditure-of-standing-compared-to-sitting-while-conducting-office-tasks
#1
Jill Burns, Cuisle Forde, Sara Dockrell
Objectives This study aimed to investigate the energy expenditure of common office-based tasks. The objectives were to: (a) test the classification of tasks as sedentary or light-intensity physical activity and (b) compare the energy expenditure of tasks under two postural conditions (sitting and standing). Background The sedentary nature of office work has been highlighted as a health risk, and strategies to reduce sedentary behavior at work have been developed. However, there is limited evidence to guide the utilization of sit-stand workstations in the workplace for metabolic health benefits...
July 1, 2017: Human Factors
https://www.readbyqxmd.com/read/28719661/minimizing-endpoint-variability-through-reinforcement-learning-during-reaching-movements-involving-shoulder-elbow-and-wrist
#2
David Marc Anton Mehler, Alexandra Reichenbach, Julius Klein, Jörn Diedrichsen
Reaching movements are comprised of the coordinated action across multiple joints. The human skeleton is redundant for this task because different joint configurations can lead to the same endpoint in space. How do people learn to use combinations of joints that maximize success in goal-directed motor tasks? To answer this question, we used a 3-degree-of-freedom manipulandum to measure shoulder, elbow and wrist joint movements during reaching in a plane. We tested whether a shift in the relative contribution of the wrist and elbow joints to a reaching movement could be learned by an implicit reinforcement regime...
2017: PloS One
https://www.readbyqxmd.com/read/28719550/does-an-annular-puncture-influence-the-herniation-path-an-in-vitro-mechanical-and-structural-investigation
#3
Vonne M van Heeswijk, Ashvin Thambyah, Peter A Robertson, Neil D Broom
STUDY DESIGN: A study of mechanically-induced herniation in punctured ovine discs followed by structural analysis. OBJECTIVE: To investigate whether an annular puncture influences the path that herniation takes by providing direct passage for nucleus through the annulus and therefore whether it increases the risk of acute herniation from overload at the site of damage independent of any longer-term degeneration. SUMMARY OF BACKGROUND DATA: 10 years after treatment with discography both degenerative changes and frequency of herniation have been shown to increase compared to untreated discs...
July 17, 2017: Spine
https://www.readbyqxmd.com/read/28719477/gait-analysis-on-force-treadmill-in-children-comparison-with-results-from-ground-based-force-platforms
#4
Luigi Tesio, Chiara Malloggi, Nicola M Portinaro, Luigi Catino, Nicola Lovecchio, Viviana Rota
Gait analysis (GA) typically includes surface electromyographic (sEMG) recording from several lower limb muscles, optoelectronic measurement of joint rotations, and force recordings from ground-based platforms. From the latter two variables, the muscle power acting on the lower limb joints can be estimated. Recently, gait analysis on a split-belt force treadmill (GAFT) was validated for the study of adult walking. It showed high reliability of spatiotemporal, kinematic, dynamic, and sEMG parameters, matching those obtainable with GA on the basis of ground walking...
July 17, 2017: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/28718273/3d-quantitative-evaluation-of-spine-proprioceptive-perception-motor-control-through-instinctive-self-correction-manoeuvre-in-healthy-young-subjects-posture-an-observational-study
#5
Moreno D'Amico, Edyta Kinel, Piero Roncoletta
BACKGROUND: Conservative treatment in spine deformities and spine related disorders is mainly based on proper individual proprioceptive and motor control training. For these reasons, conservative treatment involves the stimulation of individual capability of perceiving/reducing deformities, blocks and/or improper spine posture by voluntary control. The literature describes that habitually adopted relaxed postures often exacerbate low back pain. Typically, youths can be referred to therapeutic programs aimed at improving the quality of body posture along with fostering the awareness of the importance of correct posture...
July 18, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28718217/a-3d-musculoskeletal-model-of-the-western-lowland-gorilla-hind-limb-moment-arms-and-torque-of-the-hip-knee-and-ankle
#6
Colleen Goh, Mary L Blanchard, Robin H Crompton, Michael M Gunther, Sophie Macaulay, Karl T Bates
Three-dimensional musculoskeletal models have become increasingly common for investigating muscle moment arms in studies of vertebrate locomotion. In this study we present the first musculoskeletal model of a western lowland gorilla hind limb. Moment arms of individual muscles around the hip, knee and ankle were compared with previously published data derived from the experimental tendon travel method. Considerable differences were found which we attribute to the different methodologies in this specific case...
July 17, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28717619/comparison-of-dynamic-postural-stability-scores-between-athletes-with-and-without-chronic-ankle-instability-during-lateral-jump-landing
#7
Zeinab Shiravi, Azadeh Shadmehr, Saeed Talebian Moghadam, Behrouz Attarbashi Moghadam
BACKGROUNDS: Many ankle injuries occur while participating in sports that require jumping and landing such as basketball, volleyball and soccer. Most recent studies have investigated dynamic postural stability of patients with chronic ankle instability after landing from a forward jump. The present study aimed to investigate the dynamic postural stability of the athletes who suffer from chronic ankle sprain while landing from a lateral jump. METHODS: Twelve athletes with self-reported unilateral chronic ankle instability (4 females and 8 males) and 12 matched controls (3 females and 9 males) voluntarily participated in the study...
January 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28717604/central-vestibular-syndrome-in-a-red-fox-vulpes-vulpes-with-presumptive-right-caudal-cerebral-artery-ischemic-infarct-and-prevalent-midbrain-involvement
#8
Mario Ricciardi, Floriana Gernone, Antonio De Simone, Pasquale Giannuzzi
A wild young male red fox (Vulpes vulpes) was found in the mountainous hinterland of Rome (Italy) with a heavily depressed mental status and unresponsive to the surrounding environment. Neurological examination revealed depression, left circling, right head tilt, ventromedial positional strabismus and decreased postural reactions on the left side. Neurological abnormalities were suggestive of central vestibular syndrome. Two consecutive MRIs performed with 30 days interval were compatible with lacunar ischemic infarct in the territory of right caudal cerebral artery and its collateral branches...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28717382/neurological-soft-signs-in-tunisian-patients-with-first-episode-psychosis-and-relation-with-cannabis-use
#9
Ahmed Mhalla, Bochra Ben Mohamed, Christoph U Correll, Badii Amamou, Anouar Mechri, Lotfi Gaha
BACKGROUND: Neurological soft signs (NSS) are minor non-localizing neurological abnormalities that are conceptualized as neurodevelopmental markers that mediate the biological risk for psychosis. We aimed to explore the relationship between NSS and cannabis use, an environmental risk factor of psychosis. METHODS: This was a cross-sectional study in consecutively admitted patients hospitalized for first-episode psychosis. NSS were assessed by the NSS scale (23 items exploring motor coordination, motor integrative function, sensory integration, involuntary movements or posture, quality of lateralization)...
2017: Annals of General Psychiatry
https://www.readbyqxmd.com/read/28716518/virtual-animation-of-victim-specific-3d-models-obtained-from-ct-scans-for-forensic-reconstructions-living-and-dead-subjects
#10
C Villa, K B Olsen, S H Hansen
Post-mortem CT scanning (PMCT) has been introduced at several forensic medical institutions many years ago and has proved to be a useful tool. 3D models of bones, skin, internal organs and bullet paths can rapidly be generated using post-processing software. These 3D models reflect the individual physiognomics and can be used to create whole-body 3D virtual animations. In such way, virtual reconstructions of the probable ante-mortem postures of victims can be constructed and contribute to understand the sequence of events...
July 5, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28716515/calming-the-storm-dysautonomia-for-the-pediatrician
#11
Justin M Burton, Olga M Morozova
Dysautonomia is a potentially life-threatening syndrome seen in many different types of brain injuries. It involves paroxysmal sympathetic hyperactivity and typically includes a constellation of symptoms, including: tachycardia, tachypnea, hyperthermia, hypertension, diaphoresis, hypertonia, and/or decerebrate or decorticate posturing. It is a clinical diagnosis of exclusion. A multimodal treatment approach is necessary including environmental modifications along with pharmacotherapy. Early management can help prevent comorbidities including secondary brain injury while also improving patient outcomes...
July 14, 2017: Current Problems in Pediatric and Adolescent Health Care
https://www.readbyqxmd.com/read/28716503/effectiveness-of-otolith-repositioning-maneuvers-and-vestibular-rehabilitation-exercises-in-elderly-people-with-benign-paroxysmal-positional-vertigo-a-systematic-review
#12
Karyna Figueiredo Ribeiro, Bruna S Oliveira, Raysa V Freitas, Lidiane M Ferreira, Nandini Deshpande, Ricardo O Guerra
INTRODUCTION: Benign Paroxysmal Positional Vertigo (BPPV) is highly prevalent in elderly people. This condition is related to vertigo, hearing loss, tinnitus, poor balance, gait disturbance, and an increase in risk of falls, leading to postural changes and quality of life decreasing. OBJECTIVE: To evaluate the outcomes obtained by clinical trials on the effectiveness of Otolith Repositioning Maneuver (ORM) and Vestibular Rehabilitation (VR) exercises in the treatment of BPPV in elderly...
June 29, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28716427/influence-of-l-dopa-on-subtle-motor-signs-in-heterozygous-parkin-and-pink1-mutation-carriers
#13
Anne Weissbach, Inke R König, Katja Hückelheim, Peter P Pramstaller, Elisa Werner, Norbert Brüggemann, Vera Tadic, Katja Lohmann, Tobias Bäumer, Alexander Münchau, Meike Kasten, Christine Klein
INTRODUCTION: A latent nigrostriatal deficit and its possible clinical consequences in asymptomatic heterozygous Parkin and PINK1 mutation carriers (AMC) have been a matter of investigation in recent years. Notably, mild Parkinsonian signs in heterozygous mutation carriers can be so subtle that they may be missed if not specifically investigated. METHODS: We studied 15 heterozygous Parkin and PINK1 AMC and 18 age- and sex-matched mutation-negative controls using a standardized video, instructing the probands to perform relevant parts of the UPDRS III to investigate fine motor movements at baseline and after first-time L-Dopa administration...
July 8, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28716231/measuring-standing-balance-in-multiple-sclerosis-further-progress-towards-an-automatic-and-reliable-method-in-clinical-practice
#14
Philipp M Keune, William R Young, Ioannis T Paraskevopoulos, Sascha Hansen, Jana Muenssinger, Patrick Oschmann, Roy Müller
BACKGROUND: Balance deficits in multiple sclerosis (MS) are often monitored by means of observer-rated tests. These may provide reliable data, but may also be time-consuming, subject to inter-rater variability, and potentially insensitive to mild fluctuations throughout the clinical course. On the other hand, laboratory assessments are often not available. The Nintendo Wii Balance Board (WBB) may represent a low-cost solution. The purpose of the current study was to examine the methodological quality of WBB data in MS (internal consistency, test-retest reliability), convergent validity with observer-rated tests (Berg Balance Scale, BBS; Timed-Up and Go Test, TUG), and discriminative validity concerning clinical status (Expanded Disability Status Scale, EDSS)...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28716073/surgical-correction-of-hyperlordosis-in-facioscapulohumeral-muscular-dystrophy-a-case-report
#15
Haining Tan, Fan Feng, Youxi Lin, Chong Chen, Zheng Li, Jianxiong Shen
BACKGROUND: Hyperlordosis is common in facioscapulohumeral muscular dystrophy (FSHD), which cannot be controlled by bracing. While the surgical treatment is neither reported nor recommended in previous studies, we report the first corrective surgery for hyperlordosis in one wheelchair-dependent FSHD patient. CASE PRESENTATION: A 15-year-old, wheelchair-dependent girl complaining of hyperlordosis and lower extremity weakness was diagnosed as FSHD. Preoperative examination showed hyperlordosis of 116° with scoliosis of 44°...
July 17, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28715581/incidence-and-factors-influencing-retinal-displacement-in-eyes-treated-for-rhegmatogenous-retinal-detachment-with-vitrectomy-and-gas-or-silicone-oil
#16
Roberto dell'Omo, Andrea Scupola, Davide Viggiano, Maria Grazia Sammarco, Serena De Turris, Mario R Romano, Gabriela Grimaldi, Ermanno dell'Omo, Ciro Costagliola
Purpose: The purpose of this study was to study the incidence and factors influencing retinal displacement in eyes treated for rhegmatogenous retinal detachment (RRD) with pars plana vitrectomy (PPV) and gas or silicone oil. Methods: This was a prospective observational case series. One hundred twenty-five eyes with macula-off RRD from 125 patients underwent 25-gauge PPV at two vitreoretinal institutional practices. Eyes without proliferative vitreoretinopathy (PVR) or PVR grade A were tamponated with sulfur hexafluoride (SF6) gas, whereas eyes with PVR grade B received 1000 centistokes silicone oil (SO)...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28715240/the-effect-of-inspiratory-muscle-training-on-respiratory-variables-in-a-patient-with-ankylosing-spondylitis-a-case-report
#17
Marlon L Wong, Rachael G Anderson, Kelsey Garcia, Elissa M Housmann, Erin McHale, Gregory S Goldberger, Lawrence P Cahalin
Ankylosing Spondylitis (AS) presents with both musculoskeletal and cardiorespiratory pathophysiological manifestations. Inspiratory muscle training (IMT) may be a useful intervention to address deficits in respiratory and functional status. CASE DESCRIPTION: A 25-year-old male with AS initially sought treatment for low back and right hip pain, but 7 weeks of IMT was also provided due to abnormal respiratory performance. OUTCOMES: At baseline, the patient presented with a resting respiratory rate (RR) of 14...
July 17, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28714838/lower-extremity-muscle-activity-kinematics-and-dynamic-postural-control-in-individuals-with-patellofemoral-pain
#18
Shiho Goto, Naoko Aminaka, Phillip A Gribble
CONTEXT: Altered lower extremity muscle activity has been suggested to be associated with lower extremity kinematics in individuals with patellofemoral pain (PFP). However, few studies examined these relationships and the results are inconsistent. OBJECTIVES: To compare the lower extremity muscle activity, kinematics, pain level, and reach distance during the anterior reach of the Star Excursion Balance Test (SEBT) between participants with PFP and healthy individuals (CON)...
July 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28714837/validating-center-of-pressure-balance-measurements-using-the-matscan%C3%A2-pressure-mat
#19
John Goetschius, Mark A Feger, Jay Hertel, Joseph M Hart
CONTEXT: Measurements of center of pressure (COP) excursions during balance are common practice in clinical and research settings to evaluate adaptations in postural control due to pathological or environmental conditions. Traditionally measured using laboratory force-plates, pressure-mat devices may be a suitable option for clinicians and scientist to measure COP excursions. OBJECTIVE: Compare COP measures and changes during balance between MatScan® pressure-mat and force-plate...
July 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28714826/effects-of-peroneal-muscles-fatigue-on-dynamic-stability-following-lateral-hop-landing-time-to-stabilization-vs-dynamic-postural-stability-index
#20
Kazem Malmir, Gholam Reza Olyaei, Saeed Talebian, Ali Ashraf Jamshidi, Majid Ashraf Ganguie
CONTEXT: Dynamic stability is a necessary requirement in many sports competitions. Muscle fatigue, which can impair stability, may be occurred in many sports competitions in which lateral movements and landing repeated frequently. OBJECTIVE: To assess the effects of peroneal muscles fatigue on dynamic stability following lateral hop landing through measuring time to stabilization (TTS) and dynamic postural stability index (DPSI). DESIGN: Quasi-experimental...
July 17, 2017: Journal of Sport Rehabilitation
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