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https://www.readbyqxmd.com/read/27890581/total-hip-arthroplasty-using-a-cementless-dual-mobility-cup-provides-increased-stability-and-favorable-gait-parameters-at-five-years-follow-up
#1
A Acker, J-F Fischer, K Aminian, E Lécureux, B M Jolles
BACKGROUND: Rates of dislocation following primary total hip arthroplasty (THA) vary from 0.5 to 10%. Dual-mobility cups in THA demonstrate increased stability. Clinical outcomes following THA with dual-mobility cups have been reported, but gait has not been assessed. Therefore we performed a retrospective case control study to answer: (1) is gait better in patients following THA with a dual-mobility cup than in frail, elderly patients of the same age? (2) Are clinical outcomes better in patients following THA with a dual-mobility cup than in frail, elderly patients? (3) What is the dislocation rate following THA with a dual-mobility cup? HYPOTHESIS: We hypothesized that patients who underwent THA with a dual-mobility cup have a better gait compared to frail, elderly patients of the same age...
November 24, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27890161/primary-or-secondary-tasks-dual-task-interference-between-cyclist-hazard-perception-and-cadence-control-using-cross-modal-sensory-aids-with-rider-assistance-bike-computers
#2
Chao-Yang Yang, Cheng-Tse Wu
This research investigated the risks involved in bicycle riding while using various sensory modalities to deliver training information. To understand the risks associated with using bike computers, this study evaluated hazard perception performance through lab-based simulations of authentic riding conditions. Analysing hazard sensitivity (d') of signal detection theory, the rider's response time, and eye glances provided insights into the risks of using bike computers. In this study, 30 participants were tested with eight hazard perception tasks while they maintained a cadence of 60 ± 5 RPM and used bike computers with different sensory displays, namely visual, auditory, and tactile feedback signals...
March 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/27888696/underwater-gait-analysis-in-parkinson-s-disease
#3
Daniele Volpe, Davide Pavan, Meg Morris, Annamaria Guiotto, Robert Iansek, Sofia Fortuna, Giuseppe Frazzitta, Zimi Sawacha
Although hydrotherapy is one of the physical therapies adopted to optimize gait rehabilitation in people with Parkinson disease, the quantitative measurement of gait-related outcomes has not been provided yet. This work aims to document the gait improvements in a group of parkinsonians after a hydrotherapy program through 2D and 3D underwater and on land gait analysis. Thirty-four parkinsonians and twenty-two controls were enrolled, divided into two different cohorts. In the first one, 2 groups of patients underwent underwater or land based walking training; controls underwent underwater walking training...
November 10, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27879960/effectiveness-of-music-based-interventions-on-motricity-or-cognitive-functioning-in-neurological-populations-a-systematic-review
#4
Lousin Moumdjian, Teppo Sarkamo, Carmela Leone, Marc Leman, Peter Feys
INTRODUCTION: Motor and cognitive symptoms are frequent in persons with neurological disorders and often require extensive long-term rehabilitation. Recently, a variety of musicbased interventions have been introduced into neurological rehabilitation as training tools. AIM: This review aims to a) describe and define music-based intervention modalities and content which are applied in experimental studies, and b) describe the effects of these interventions on motor and/or cognitive symptoms in the neurological population...
November 23, 2016: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27878412/effect-of-uphill-and-downhill-walking-on-walking-performance-in-geriatric-patients-using-a%C3%A2-wheeled-walker
#5
Ulrich Lindemann, Michael Schwenk, Syn Schmitt, Michael Weyrich, Wolfgang Schlicht, Clemens Becker
BACKGROUND: Wheeled walkers are recommended to improve walking performance in older persons and to encourage and assist participation in daily life. Nevertheless, using a wheeled walker can cause serious problems in the natural environment. This study aimed to compare uphill and downhill walking with walking level in geriatric patients using a wheeled walker. Furthermore, we investigated the effect of using a wheeled walker with respect to dual tasking when walking level. METHODS: A total of 20 geriatric patients (median age 84...
November 22, 2016: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/27875943/increasing-surfboard-volume-reduces-energy-expenditure-during-paddling
#6
Vuk Ekmecic, Ning Jia, Thomas G Cleveland, Maya Saulino, Jeff A Nessler, George H Crocker, Sean C Newcomer
The purpose of this study was to investigate how altering surfboard volume (BV) affects energy expenditure during paddling. Twenty surfers paddled in a swim flume on five surfboards in random order twice. All surfboards varied only in thickness and ranged in BV from 28.4 to 37.4 L. Measurements of heart rate (HR), oxygen consumption (VO2), pitch angle, roll angle and paddling cadence were measured. VO2 and HR significantly decreased on thicker boards [VO2: r = -0.984, p = 0.003; HR: r = -0.972, p = 0...
November 30, 2016: Ergonomics
https://www.readbyqxmd.com/read/27870693/limb-salvage-with-intrepid-dynamic-exoskeletal-orthosis-versus-transtibial-amputation-a-comparison-of-functional-gait-outcomes
#7
Katharine I Mangan, Trevor D Kingsbury, Brittney N Mazzone, Marilynn P Wyatt, Kevin M Kuhn
OBJECTIVES: To determine if there is a difference in functional gait outcomes between patients with limb injuries treated with either transtibial amputation or limb preservation with the Intrepid Dynamic Exoskeletal Orthosis. DESIGN: Retrospective prognostic study. SETTING: Tertiary referral military hospital. PATIENTS: This study included 10 transtibial amputees and 10 limb preservation patients using the Intrepid Dynamic Exoskeletal Orthosis who were matched by body mass index after excluding for nontraumatic, proximal ipsilateral, contralateral, spine, or traumatic brain injuries...
December 2016: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/27870605/age-related-differences-in-locomotor-strategies-during-adaptive-walking
#8
Kristin A Lowry, Katherine Sebastian, Subashan Perera, Jessie Van Swearingen, Ann L Smiley-Oyen
Simultaneous control of lower limb stepping movements and trunk motion is important for skilled walking; adapting gait to environmental constraints requires frequent alternations in stepping and trunk motion. These alterations provide a window into the locomotor strategies adopted by the walker. The authors examined gait strategies in young and healthy older adults when manipulating step width. Anteroposterior (AP) and mediolateral (ML) smoothness (quantified by harmonic ratios) and stepping consistency (quantified by gait variability) were analyzed during narrow and wide walking while controlling cadence to preferred pace...
November 21, 2016: Journal of Motor Behavior
https://www.readbyqxmd.com/read/27869301/cerebral-amyloid-deposition-is-associated-with-gait-parameters-in-the-mayo-clinic-study-of-aging
#9
Alexandra M V Wennberg, Rodolfo Savica, Clinton E Hagen, Rosebud O Roberts, David S Knopman, John H Hollman, Prashanthi Vemuri, Clifford R Jack, Ronald C Petersen, Michelle M Mielke
OBJECTIVES: To determine the cross-sectional association between cerebral amyloid-beta (Aβ) deposition and gait. DESIGN: Cross-sectional. SETTING: Population-based cohort study in Olmsted County, MN. PARTICIPANTS: Cognitively normal individuals (n = 611), aged 50 to 69 years, enrolled in the Mayo Clinic Study of Aging with concurrent PiB-PET imaging and gait assessment. Participants with a history of stroke, alcoholism, Parkinson's disease, subdural hematoma, traumatic brain injury, or normal pressure hydrocephalus were excluded...
November 21, 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27865845/temporal-spatial-and-metabolic-measures-of-walking-in-highly-functional-individuals-with-lower-limb-amputations
#10
Hannah L Jarvis, Alex N Bennett, Martin Twiste, Rhodri D Phillip, John Etherington, Richard Baker
OBJECTIVE: The aim of this descriptive exploratory study is to record the temporal spatial parameters and metabolic energy expenditure during walking of individuals with amputation, walking with advanced prostheses and following completion of comprehensive rehabilitation, to able-bodied controls. DESIGN: Cross-sectional SETTING: Multi-disciplinary comprehensive rehabilitation centre PARTICIPANTS: Thirty severely injured United Kingdom military personnel with amputation and subsequent completion of their rehabilitation programme (10 unilateral trans-tibial, 10 unilateral trans-femoral, and 10 bilateral trans-femoral) were compared to (and of similar age, height and mass (p >0...
November 16, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27865696/strength-training-for-skeletal-muscle-endurance-after-stroke
#11
Frederick M Ivey, Steven J Prior, Charlene E Hafer-Macko, Leslie I Katzel, Richard F Macko, Alice S Ryan
BACKGROUND AND PURPOSE: Initial studies support the use of strength training (ST) as a safe and effective intervention after stroke. Our previous work shows that relatively aggressive, higher intensity ST translates into large effect sizes for paretic and non-paretic leg muscle volume, myostatin expression, and maximum strength post-stroke. An unanswered question pertains to how our unique ST model for stroke impacts skeletal muscle endurance (SME). Thus, we now report on ST-induced adaptation in the ability to sustain isotonic muscle contraction...
November 16, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27863279/evidence-of-compensatory-joint-kinetics-during-stair-ascent-and-descent-in-parkinson-s-disease
#12
Zachary J Conway, Peter A Silburn, Tim Blackmore, Michael H Cole
BACKGROUND: Stair ambulation is a challenging activity of daily life that requires larger joint moments than walking. Stabilisation of the body and prevention of lower limb collapse during this task depends upon adequately-sized hip, knee and ankle extensor moments. However, people with Parkinson's disease (PD) often present with strength deficits that may impair their capacity to control the lower limbs and ultimately increase their falls risk. OBJECTIVE: To investigate hip, knee and ankle joint moments during stair ascent and descent and determine the contribution of these joints to the body's support in people with PD...
November 9, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27861541/accuracy-and-reliability-of-the-kinect-version-2-for-clinical-measurement-of-motor-function
#13
Karen Otte, Bastian Kayser, Sebastian Mansow-Model, Julius Verrel, Friedemann Paul, Alexander U Brandt, Tanja Schmitz-Hübsch
BACKGROUND: The introduction of low cost optical 3D motion tracking sensors provides new options for effective quantification of motor dysfunction. OBJECTIVE: The present study aimed to evaluate the Kinect V2 sensor against a gold standard motion capture system with respect to accuracy of tracked landmark movements and accuracy and repeatability of derived clinical parameters. METHODS: Nineteen healthy subjects were concurrently recorded with a Kinect V2 sensor and an optical motion tracking system (Vicon)...
2016: PloS One
https://www.readbyqxmd.com/read/27852775/eeg-oscillations-are-modulated-in-different-behavior-related-networks-during-rhythmic-finger-movements
#14
Martin Seeber, Reinhold Scherer, Gernot R Müller-Putz
: Sequencing and timing of body movements are essential to perform motoric tasks. In this study, we investigate the temporal relation between cortical oscillations and human motor behavior (i.e., rhythmic finger movements). High-density EEG recordings were used for source imaging based on individual anatomy. We separated sustained and movement phase-related EEG source amplitudes based on the actual finger movements recorded by a data glove. Sustained amplitude modulations in the contralateral hand area show decrease for α (10-12 Hz) and β (18-24 Hz), but increase for high γ (60-80 Hz) frequencies during the entire movement period...
November 16, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27851893/caffeine-influences-cadence-at-lower-but-not-higher-intensity-rpe-regulated-cycling
#15
J Matt Green, Alyssa Olenick, Caroline Eastep, Lee Winchester
: Caffeine blunts RPE estimations but effects on selected cycling cadence are unclear. PURPOSE: This study examined influence of caffeine on cycling cadence with intensities prescribed at RPE 4 and 7 (OMNI Scale). METHODS: College-aged (20.5±2.0y) male and female volunteers (n=15) (VO2 peak=40.3±4.0,) completed a maximal cycling test followed by trials where they adjusted cadence (CAD) (clamped resistances) to produce overall feelings equivalent to RPE 4 (RPE4) and RPE 7 (RPE7) (10min each) following caffeine (CAF) (6mg·kg(-1)·min(-1)) and placebo (PLA) (counterbalanced) ingestion...
November 13, 2016: Physiology & Behavior
https://www.readbyqxmd.com/read/27847840/the-effect-of-patellofemoral-pain-syndrome-on-gait-parameters-a-literature-review
#16
REVIEW
Mokhtar Arazpour, Fateme Bahramian, Atefeh Abutorabi, Seyed Taghi Nourbakhsh, Ardeshir Alidousti, Hamidreza Aslani
Patellofemoral pain syndrome (PFPS) is one of the most frequent causes of anterior knee pain in adolescents and adults. This disorder can have a big effect on patients' ability and quality of life and gait. This review included all articles published during 1990 to 2016. An extensive literature search was performed in databases of Science Direct, Google Scholar, PubMed and ISI Web of Knowledge using OR, AND, NOT between the selected keywords. Finally, 16 articles were selected from final evaluation. In PFPS subjects, there was lower gait velocity, decreased cadence, and reduced knee extensor moment in the loading response and terminal stance, delayed peak rear foot eversion during gait and greater hip adduction compared to healthy subjects, while for hip rotation, there was controversy in studies...
October 2016: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/27842562/locomotor-training-through-a-novel-robotic-platform-for-gait-rehabilitation-in-pediatric-population-short-report
#17
C Bayón, S Lerma, O Ramírez, J I Serrano, M D Del Castillo, R Raya, J M Belda-Lois, I Martínez, E Rocon
BACKGROUND: Cerebral Palsy (CP) is a disorder of posture and movement due to a defect in the immature brain. The use of robotic devices as alternative treatment to improve the gait function in patients with CP has increased. Nevertheless, current gait trainers are focused on controlling complete joint trajectories, avoiding postural control and the adaptation of the therapy to a specific patient. This paper presents the applicability of a new robotic platform called CPWalker in children with spastic diplegia...
November 14, 2016: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/27808596/an-innovative-training-program-based-on-virtual-reality-and-treadmill-effects-on-gait-of-persons-with-multiple-sclerosis
#18
Agnese Peruzzi, Ignazio Roberto Zarbo, Andrea Cereatti, Ugo Della Croce, Anat Mirelman
AIM: In this single blind randomized controlled trial, we examined the effect of a virtual reality-based training on gait of people with multiple sclerosis. METHODS: Twenty-five individuals with multiple sclerosis with mild to moderate disability were randomly assigned to either the control group (n = 11) or the experimental group (n = 14). The subjects in the control group received treadmill training. Subjects in the experimental group received virtual reality based treadmill training...
November 3, 2016: Disability and Rehabilitation
https://www.readbyqxmd.com/read/27799666/immediate-effects-of-rhythmic-auditory-stimulation-on-gait-in-stroke-patients-in-relation-to-the-lesion-site
#19
Naomi Kobinata, Mai Ueno, Yukihito Imanishi, Hideto Yoshikawa
[Purpose] Rhythmic auditory stimulation has been used in gait training for stroke patients. However, few studies have investigated its effects in relation to lesion sites. Therefore, this study examined the immediate effects of rhythmic auditory stimulation on gait in stroke patients with lesions in different regions. [Subjects and Methods] One hundred and five patients were recruited and divided into five groups according to the lesion site: cerebellum, pons and medulla, thalamus, putamen, and corona radiata...
September 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27792387/rippled-quasiperpendicular-shock-observed-by-the-magnetospheric-multiscale-spacecraft
#20
A Johlander, S J Schwartz, A Vaivads, Yu V Khotyaintsev, I Gingell, I B Peng, S Markidis, P-A Lindqvist, R E Ergun, G T Marklund, F Plaschke, W Magnes, R J Strangeway, C T Russell, H Wei, R B Torbert, W R Paterson, D J Gershman, J C Dorelli, L A Avanov, B Lavraud, Y Saito, B L Giles, C J Pollock, J L Burch
Collisionless shock nonstationarity arising from microscale physics influences shock structure and particle acceleration mechanisms. Nonstationarity has been difficult to quantify due to the small spatial and temporal scales. We use the closely spaced (subgyroscale), high-time-resolution measurements from one rapid crossing of Earth's quasiperpendicular bow shock by the Magnetospheric Multiscale (MMS) spacecraft to compare competing nonstationarity processes. Using MMS's high-cadence kinetic plasma measurements, we show that the shock exhibits nonstationarity in the form of ripples...
October 14, 2016: Physical Review Letters
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