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passive self-motion

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https://www.readbyqxmd.com/read/28210065/the-effects-of-therapeutic-exercise-using-pnf-on-the-size-of-calcium-deposits-pain-self-awareness-and-shoulder-joint-function-in-a-calcific-tendinitis-patient-a-case-study
#1
Dong-Gun Oh, Kyung-Tae Yoo
[Purpose] The purpose of this case study was to identify the effects of independent and intensive therapeutic exercise using Proprioceptive neuromuscular facilitation on the size of calcium deposits, pain self-awareness, and shoulder joint function in a patient with calcific tendonitis. [Subject and Methods] The subject was a 42-year-old female patient with calcific tendonitis and acute pain who had difficulty with active movement and problems with general function. The independent and intensive Proprioceptive neuromuscular facilitation exercise was applied for 40 min twice a day five times a week for two weeks for a total of 20 times...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28205508/global-dynamics-of-non-equilibrium-gliding-in-animals
#2
Isaac Yeaton, Jake Socha, Shane Ross
Gliding flight - moving horizontally downward through the air without power - has evolved in a broad diversity of taxa and serves numerous ecologically relevant functions such as predator escape, expanding foraging locations, and finding mates, and has been suggested as an evolutionary pathway to powered flight. Historically, gliding has been conceptualized using the idealized conditions of equilibrium, in which the net aerodynamic force on the glider balances its weight. While this assumption is appealing for its simplicity, recent studies of glide trajectories have shown that equilibrium gliding is not the norm for most species...
February 16, 2017: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/28167184/is-self-massage-an-effective-joint-range-of-motion-strategy-a-pilot-study
#3
Estêvão Rios Monteiro, Mark Tyler Cavanaugh, David Michael Frost, Jefferson da Silva Novaes
Increases in joint range of motion may be beneficial in both improving performance and reducing the risk of injury. The purpose of this study was to investigate short-term changes in passive hip flexion (HF) and extension (HE) after foam rolling (FR) and roller massage (RM) durations of 60 and 120s. Ten recreationally active men (27.6 ± 2.4 years old; 164.8 ± 6.6 cm; 62.2 ± 8.0 kg; 24.2 ± 2.1 m(2)/kg) were recruited for this study. Subjects performed foam rolling (FR) and roller massage (RM) on the hamstrings for 60 (FR60 and RM60) and 120 (FR120 and RM120) seconds...
January 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28152452/upper-extremity-motion-during-gait-in-adolescents-with-structural-leg-length-discrepancy-an-exploratory-study
#4
Fabiola Angelico, Marie Freslier, Jacqueline Romkes, Reinald Brunner, Stefan Schmid
BACKGROUND AND PURPOSE: Depending on the extent of a structural leg length discrepancy (LLD), several compensatory mechanisms take place in order to maintain function and to optimize energy consumption during gait. However, studies describing the influence of a structural LLD on upper limb motion are lacking. The current study therefore aimed at the evaluation of upper limb motion during gait in LLD patients compared to healthy controls. METHODS: Motion capture data from 14 patients with structural LLD and 15 healthy controls that were collected during barefoot walking at a self-selected speed were retrospectively analyzed...
January 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28147512/pattern-growth-and-aging-in-aggregation-kinetics-of-a-vicsek-like-active-matter-model
#5
Subir K Das
Via molecular dynamics simulations, we study kinetics in a Vicsek-like phase-separating active matter model. Quantitative results, for isotropic bicontinuous pattern, are presented on the structure, growth, and aging. These are obtained via the two-point equal-time density-density correlation function, the average domain length, and the two-time density autocorrelation function. Both the correlation functions exhibit basic scaling properties, implying self-similarity in the pattern dynamics, for which the average domain size exhibits a power-law growth in time...
January 28, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28144623/eye-movements-in-darkness-modulate-self-motion-perception
#6
Ivar Adrianus H Clemens, Luc P J Selen, Antonella Pomante, Paul R MacNeilage, W Pieter Medendorp
During self-motion, humans typically move the eyes to maintain fixation on the stationary environment around them. These eye movements could in principle be used to estimate self-motion, but their impact on perception is unknown. We had participants judge self-motion during different eye-movement conditions in the absence of full-field optic flow. In a two-alternative forced choice task, participants indicated whether the second of two successive passive lateral whole-body translations was longer or shorter than the first...
January 2017: ENeuro
https://www.readbyqxmd.com/read/28095134/physical-and-occupational-therapy-for-a-teenager-with-acute-flaccid-myelitis-a-case-report
#7
Tracy Kornafel, Elaine Y Tsao, Emily Sabelhaus, Lori Surges, Susan D Apkon
AIMS: The purpose of this case report is to describe the inpatient rehabilitation program of a 13-year-old boy with acute flaccid myelitis (AFM), specific to physical and occupational therapy examination, treatment, and outcomes. CASE DESCRIPTION: AFM is a rare, acute neurologic illness in children and young adults who present with weakness and/or paralysis of unknown etiology. The teenager was admitted to the program, dependent for all mobility and self-care. Interventions focused on range of motion, transfer training, self-care, power wheelchair mobility, and environmental adaptations...
January 17, 2017: Physical & Occupational Therapy in Pediatrics
https://www.readbyqxmd.com/read/27983853/quantifying-the-heat-dissipation-from-a-molecular-motor-s-transport-properties-in-nonequilibrium-steady-states
#8
Wonseok Hwang, Changbong Hyeon
Theoretical analysis, which maps single-molecule time trajectories of a molecular motor onto unicyclic Markov processes, allows us to evaluate the heat dissipated from the motor and to elucidate its dependence on the mean velocity and diffusivity. Unlike passive Brownian particles in equilibrium, the velocity and diffusion constant of molecular motors are closely inter-related. In particular, our study makes it clear that the increase of diffusivity with the heat production is a natural outcome of active particles, which is reminiscent of the recent experimental premise that the diffusion of an exothermic enzyme is enhanced by the heat released from its own catalytic turnover...
December 20, 2016: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/27836071/the-treatment-of-neck-pain-associated-disorders-and-whiplash-associated-disorders-a-clinical-practice-guideline
#9
André E Bussières, Gregory Stewart, Fadi Al-Zoubi, Philip Decina, Martin Descarreaux, Jill Hayden, Brenda Hendrickson, Cesar Hincapié, Isabelle Pagé, Steven Passmore, John Srbely, Maja Stupar, Joel Weisberg, Joseph Ornelas
OBJECTIVE: The objective was to develop a clinical practice guideline on the management of neck pain-associated disorders (NADs) and whiplash-associated disorders (WADs). This guideline replaces 2 prior chiropractic guidelines on NADs and WADs. METHODS: Pertinent systematic reviews on 6 topic areas (education, multimodal care, exercise, work disability, manual therapy, passive modalities) were assessed using A Measurement Tool to Assess Systematic Reviews (AMSTAR) and data extracted from admissible randomized controlled trials...
October 2016: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/27706163/a-motor-gradient-and-clustering-model-of-the-centripetal-motility-of-mtocs-in-meiosis-i-of-mouse-oocytes
#10
Neha Khetan, Chaitanya A Athale
Asters nucleated by Microtubule (MT) organizing centers (MTOCs) converge on chromosomes during spindle assembly in mouse oocytes undergoing meiosis I. Time-lapse imaging suggests that this centripetal motion is driven by a biased 'search-and-capture' mechanism. Here, we develop a model of a random walk in a drift field to test the nature of the bias and the spatio-temporal dynamics of the search process. The model is used to optimize the spatial field of drift in simulations, by comparison to experimental motility statistics...
October 2016: PLoS Computational Biology
https://www.readbyqxmd.com/read/27664972/relationships-between-varus-valgus-laxity-of-the-severely-osteoarthritic-knee-and-gait-instability-clinical-performance-and-function
#11
Gregory M Freisinger, Erin E Hutter, Jacqueline Lewis, Jeffrey F Granger, Andrew H Glassman, Matthew D Beal, Xueliang Pan, Laura C Schmitt, Robert A Siston, Ajit M W Chaudhari
Increased varus-valgus laxity has been reported in individuals with knee osteoarthritis (OA) compared to controls. However, the majority of previous investigations may not report truly passive joint laxity, as their tests have been performed on conscious participants who could be guarding against motion with muscle contraction during laxity evaluation. The purpose of this study was to investigate how a measure of passive knee laxity, recorded when the participant is under anesthesia, is related to varus-valgus excursion during gait, clinical measures of performance, perceived instability, and self-reported function in participants with severe knee OA...
September 24, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27647443/effect-of-body-mass-index-on-knee-function-outcomes-following-continuous-passive-motion-in-patients-with-osteoarthritis-after-total-knee-replacement-a-retrospective-study
#12
C-D Liao, Y-C Huang, Y-S Chiu, T-H Liou
OBJECTIVE: Obesity may influence postoperative rehabilitation outcomes after total knee replacement (TKR). The aim of this study was to evaluate the effects of body mass index (BMI) on the progression of inpatient rehabilitation using continuous passive motion (CPM) and its treatment outcomes. PARTICIPANTS AND SETTING: A retrospective study was conducted in a rehabilitation centre. In total, 354 patients undergoing primary TKR were enrolled through medical chart review...
May 9, 2016: Physiotherapy
https://www.readbyqxmd.com/read/27631386/a-randomized-controlled-trial-on-effectiveness-of-intermittent-serial-casting-on-spastic-equinus-foot-in-children-with-cerebral-palsy-after-botulinum-toxin-a-treatment
#13
Nigar Dursun, Tugba Gokbel, Melike Akarsu, Erbil Dursun
OBJECTIVE: Physical therapy (PT) and botulinum toxin-A (BTX-A) injections are widely used in the treatment of spastic equinus foot due to cerebral palsy. The aim of this study was to show effects of intermittent serial casting (SC) in addition to standard treatment on spasticity, passive range of motion (PROM), and gait. DESIGN: Fifty-one ambulatory patients, treated by BTX-A to plantar flexor muscles, were randomly assigned to casting or control groups in a 2:1 ratio...
September 14, 2016: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/27582009/a-self-adaptive-and-nonmechanical-motion-autofocusing-system-for-optical-microscopes
#14
Yufu Qu, Shenyu Zhu, Ping Zhang
For the design of a passive autofocusing (AF) system for optical microscopes, many time-consuming and tedious experiments have been performed to determine and design a better focus criterion function, owing to the sample-dependence of this function. To accelerate the development of the AF systems in optical microscopes and to increase AF speed as well as maintain the AF accuracy, this study proposes a self-adaptive and nonmechanical motion AF system. The presented AF system does not require the selection and design of a focus criterion function when it is developed...
September 1, 2016: Microscopy Research and Technique
https://www.readbyqxmd.com/read/27447844/focal-plane-shift-imaging-for-the-analysis-of-dynamic-wetting-processes
#15
Hyeongyun Cha, Jae Min Chun, Jesus Sotelo, Nenad Miljkovic
Droplet-surface interactions are common to a plethora of natural and industrial processes due to their ability to rapidly exchange energy, mass, and momentum. Droplets are particularly of interest due to their large surface-to-volume ratios and hence enhanced transport properties. For example, coalescence-induced droplet jumping on superhydrophobic surfaces has recently received much attention for its potential to enhance heat transfer, anti-icing, and self-cleaning performance by passively shedding microscale water droplets...
September 27, 2016: ACS Nano
https://www.readbyqxmd.com/read/27441948/glenohumeral-and-hip-range-of-motion-and-strength-measures-in-youth-baseball-athletes
#16
MULTICENTER STUDY
Kelsey J Picha, Josie L Harding, Kellie C Huxel Bliven
CONTEXT: The repetitive demands of throwing affect glenohumeral (GH) range of motion (ROM) and strength. Less is known about hip alterations in skeletally immature athletes. OBJECTIVE: To compare GH and hip ROM and strength between age, position, and side of youth baseball athletes. DESIGN: Cross-sectional study. SETTING: Multicenter testing. PATIENTS OR OTHER PARTICIPANTS: Seventy-two healthy baseball athletes...
June 2, 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27397888/cellular-basis-of-head-direction-and-contextual-cues-in-the-insect-brain
#17
Adrienn G Varga, Roy E Ritzmann
Animals rely upon integrated sensory information for spatial navigation. A question of wide importance in navigation is how sensory cues get transformed into neural codes that represent the animal's orientation within its proximal environment. Here, we investigated the possibility of head-direction coding in the central complex of the cockroach, Blaberus discoidalis. We used extracellular recordings in restrained animals that were rotated on a platform relative to a fixed landmark. The passive rotations allowed us to test for head-direction coding in the absence of self-generated motion cues...
July 25, 2016: Current Biology: CB
https://www.readbyqxmd.com/read/27257446/dynamic-angular-petrissage-as-treatment-for-axillary-web-syndrome-occurring-after-surgery-for-breast-cancer-a-case-report
#18
Paul A Lewis, Joan E Cunningham
BACKGROUND: In the context of breast cancer, axillary web syndrome (AWS), also called lymphatic cording, typically presents in the weeks after axillary surgery. This painful condition, likely lymphofibrotic in origin, restricts upper extremity range of motion (ROM). There is no established treatment, although physical therapy and other approaches have been used to variable effect. This report describes treatment of a female client with AWS, who had recently undergone a unilateral simple mastectomy with sentinel node biopsy plus axillary dissection...
June 2016: International Journal of Therapeutic Massage & Bodywork
https://www.readbyqxmd.com/read/27199882/role-of-alpha-band-oscillations-in-spatial-updating-across-whole-body-motion
#19
Tjerk P Gutteling, W P Medendorp
When moving around in the world, we have to keep track of important locations in our surroundings. In this process, called spatial updating, we must estimate our body motion and correct representations of memorized spatial locations in accordance with this motion. While the behavioral characteristics of spatial updating across whole body motion have been studied in detail, its neural implementation lacks detailed study. Here we use electroencephalography (EEG) to distinguish various spectral components of this process...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27198907/multisensory-effects-on-somatosensation-a-trimodal-visuo-vestibular-tactile-interaction
#20
Mariia Kaliuzhna, Elisa Raffaella Ferrè, Bruno Herbelin, Olaf Blanke, Patrick Haggard
Vestibular information about self-motion is combined with other sensory signals. Previous research described both visuo-vestibular and vestibular-tactile bilateral interactions, but the simultaneous interaction between all three sensory modalities has not been explored. Here we exploit a previously reported visuo-vestibular integration to investigate multisensory effects on tactile sensitivity in humans. Tactile sensitivity was measured during passive whole body rotations alone or in conjunction with optic flow, creating either purely vestibular or visuo-vestibular sensations of self-motion...
2016: Scientific Reports
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