Σάββατο, 23 Μαρτίου 2019

Gait & Posture

Objective parameters to measure (in)stability of the knee joint during gait: a review of literature
Publication date: Available online 20 March 2019Source: Gait & PostureAuthor(s): Jim C. Schrijvers, Josien C. van den Noort, Martin van der Esch, Joost Dekker, Jaap HarlaarAbstractBackgroundInstability of the knee joint during gait is frequently reported by patients with knee osteoarthritis or an anterior cruciate ligament rupture. The assessment of instability in clinical practice and clinical research studies mainly relies on self-reporting. Alternatively, parameters measured with gait analysis...
Gait & Posture
Thu Mar 21, 2019 14:22
Staying Upright by Shutting Down? Evidence for Global Suppression of the Motor System when Recovering Balance
Publication date: Available online 20 March 2019Source: Gait & PostureAuthor(s): Caleigh Goode, David M. Cole, David A.E. BoltonAbstractBackgroundWhen automatic, yet unwanted action is quickly inhibited, short-lived suppression throughout the motor system ensues. This effect is referred to asglobal suppression. Although response inhibition is essential for behavioral flexibility, widespread motor suppression may delay action reprogramming. In reactive balance control, even fleeting suppression...
Gait & Posture
Thu Mar 21, 2019 14:22
Effects of motor practice on learning a dynamic balance task in healthy young adults: a wavelet-based time-frequency analysis
Publication date: Available online 20 March 2019Source: Gait & PostureAuthor(s): Dennis Brueckner, Beat Göpfert, Rainer Kiss, Thomas MuehlbauerAbstractBackgroundPrevious research showed changes in amplitude- or time-derived measures of electromyographic (EMG) activity with motor learning. However, an analysis of the EMG spectral content (e.g., via wavelet technique) has not been included in these investigations yet.ObjectiveThe aim of this study was to use conventional, amplitude-derived EMG...
Gait & Posture
Thu Mar 21, 2019 14:22
Does Dynamic Tape change the walking biomechanics of women with greater trochanteric pain syndrome? A double-blind randomised controlled crossover trial
Publication date: Available online 18 March 2019Source: Gait & PostureAuthor(s): NA Robinson, W Spratford, M Welvaert, J Gaida, AM Fearon
Gait & Posture
Tue Mar 19, 2019 16:00
Effect of patellofemoral pain on foot posture and walking kinematics
Publication date: Available online 18 March 2019Source: Gait & PostureAuthor(s): Louise Kedroff, Melissa N. Galea Holmes, Andrew Amis, Di J. NewhamAbstractBackground Excessive pronation has been implicated in patellofemoral pain (PFP) aetiology and foot orthoses are commonly prescribed for PFP patients. Pronation can be assessed using foot posture tests, however, the utility of such tests depends on their association with foot and lower-limb kinematics.Research questions Do PFP participants compared...
Gait & Posture
Tue Mar 19, 2019 16:00
Propulsion strategy in running in children and adolescents with cerebral palsy
Publication date: Available online 18 March 2019Source: Gait & PostureAuthor(s): A. Chappell, N. Gibson, G. Williams, G.T. Allison, S. MorrisAbstractBackgroundRunning is a fundamental movement skill important for participation in physical activity. Children with cerebral palsy (CP) who are classified at Gross Motor Function Classification Scale (GMFCS) level I and II are able to run but may be limited by neuromuscular impairments.Research questionTo describe the propulsion strategy (PS) during...
Gait & Posture
Tue Mar 19, 2019 16:00
Adherence monitoring of rehabilitation exercise with inertial sensors: A clinical validation study
Publication date: May 2019Source: Gait & Posture, Volume 70Author(s): Luckshman Bavan, Karl Surmacz, David Beard, Stephen Mellon, Jonathan ReesAbstractBackgroundRehabilitation has an established role in the management of a wide range of musculoskeletal conditions. Much of this treatment relies on self-directed exercises at home, where adherence of execution is unknown. Demonstrating treatment fidelity is necessary to draw conclusions about the efficacy of rehabilitation interventions in both...
Gait & Posture
Thu Mar 21, 2019 14:22
Changes in the Control of Obstacle Crossing in Middle Age Become Evident as Gait Task Difficulty Increases
Publication date: Available online 16 March 2019Source: Gait & PostureAuthor(s): B.C Muir, J.M. Haddad, R.E.A. van Emmerik, S. RietdykAbstractBackgroundAge-associated physiological changes result in modified gait, such as slower speed, for older adults. Identifying the onset of age-related gait changes will provide insight into the role of aging on locomotor control. It is expected that a more challenging gait task (obstacle crossing) puts more demands on physiological systems, and may reveal...
Gait & Posture
Sun Mar 17, 2019 15:33
Center of pressure in a walking boot shifts posteriorly in patients following lower leg fracture
Publication date: May 2019Source: Gait & Posture, Volume 70Author(s): Arad Lajevardi-Khosh, Stacy Bamberg, David Rothberg, Erik Kubiak, Tomasz Petelenz, Robert HitchcockAbstractBackgroundStudies have shown that the ambulatory behavior and amount of weight bearing performed by lower leg fracture patients, increases over time. It is likely that gait features, such as center of pressure (CoP), also change over time.Research QuestionThe purpose of this study was to characterize changes in CoP exhibited...
Gait & Posture
Fri Mar 22, 2019 14:09
Contribution of vision and its age-related changes to postural stability in obstacle crossing during locomotion
Publication date: Available online 15 March 2019Source: Gait & PostureAuthor(s): Sho Kunimune, Shuichi OkadaAbstractBackgroundObstacle crossing requires sufficient toe clearance for trip and fall prevention for which postural stability is a prerequisite. It is thought that the upper visual field plays an important role in the maintenance of postural stability, but its influence and age-dependence have not been investigated yet.Research question: What is the role of the visual fields in maintaining...
Gait & Posture
Sat Mar 16, 2019 15:22
Determining the most effective exercise for gluteal muscle activation in children with Cerebral Palsy using surface electromyography
Publication date: Available online 15 March 2019Source: Gait & PostureAuthor(s): Colm Daly, Emer Lafferty, Marie Joyce, Ailish MaloneAbstractBackgroundReduced lumbo-pelvic postural control is a common feature of gait in children with Cerebral Palsy (CP). These features are commonly attributed to insufficiency of the hip musculature as well as underlying bony geometry. Exercises aimed at strengthening the hip muscles are frequently prescribed in children with Cerebral Palsy (CP). There is a lack...
Gait & Posture
Sat Mar 16, 2019 15:22
Years of running experience influences stride-to-stride fluctuations and adaptive response during step frequency perturbations in healthy distance runners
Publication date: Available online 14 March 2019Source: Gait & PostureAuthor(s): Cristine E. Agresta, Grant C. Goulet, Jillian Peacock, Jeffrey Housner, Ronald F. Zernicke, Jessica Deneweth ZendlerAbstractResearch QuestionThe current study investigated stride-to-stride fluctuations of step rate and contact time in response to enforced step frequency perturbations as well as adaptation and de-adaptation behavior.MethodsForty distance runners ran at a self-selected speed and were asked to match...
Gait & Posture
Fri Mar 15, 2019 14:08
Anthropometry, standing posture, and body center of mass changes up to 28 weeks postpartum in Caucasians in the United States
Publication date: May 2019Source: Gait & Posture, Volume 70Author(s): Robert D. Catena, Nigel Campbell, W. Connor Wolcott, Sarah A. RothwellAbstractBackgroundAnthropometric models are used when body center of mass motion is calculated for assessment of dynamic balance. It is currently unknown how body segments and posture change in the postpartum period. Therefore, this study was conducted to evaluate the longitudinal changes in anthropometry, center of mass, and standing posture postpartum.MethodsSeventeen...
Gait & Posture
Tue Mar 19, 2019 16:00
Gait characteristics and functional outcomes during early follow-up are comparable in patients with calcaneal fractures treated by either the sinus tarsi or the extended lateral approach
Publication date: May 2019Source: Gait & Posture, Volume 70Author(s): Andreas Brand, Isabella Klöpfer-Krämer, Moritz Böttger, Inga Kröger, Leander Gaul, Hannes Wackerle, Janina Anna Müßig, Andrea Dietrich, Johannes Gabel, Peter AugatAbstractBackgroundTo overcome the substantial functional loss after calcaneal fractures (CF), surgical treatment currently consists of two strategies, namely the commonly used extended lateral approach (ELA) and the less invasive sinus tarsi approach (STA). Despite...
Gait & Posture
Sat Mar 16, 2019 15:22
"Dynamic knee valgus" – are we measuring what we think we're measuring? An evaluation of static and functional knee calibration methods for application in gait and clinical screening tests of the overhead squat and hurdle step
Publication date: Available online 11 March 2019Source: Gait & PostureAuthor(s): Fraser Philp, Fabien Leboeuf, Anand Pandyan, Caroline StewartAbstractBackgroundDynamic "knee valgus" has been identified as a risk factor for significant knee injuries, however, the limits and sources of error associated with existing 3D motion analysis methods have not been well established.Research questionWhat effect does the use of differing static and functional knee axis orientation methods have on the observed...
Gait & Posture
Tue Mar 12, 2019 13:01
Effects of infant transportation on lower extremity joint moments: Baby carrier versus carrying in-arms
Publication date: May 2019Source: Gait & Posture, Volume 70Author(s): Lauren Williams, Tyler Standifird, Megan MadsenAbstractBackgroundThe act of babywearing is recognizably a task of load carriage and has gained popularity among millennial caregivers.Research QuestionThe implications of babywearing on lower extremity joint moments of the caregiver are still unknown during prolonged transport and a direct comparison of babywearing to carrying an infant in-arms has not been previously conducted.MethodsEighteen...
Gait & Posture
Thu Mar 14, 2019 12:44
How toe-out foot positioning influences body-dynamics during a sit-to-stand task
Publication date: May 2019Source: Gait & Posture, Volume 70Author(s): Katia Turcot, Bianca LachanceAbstractBackground: Toe-out foot positioning is increasingly analyzed as a compensatory body-mechanical strategy to reduce pain and joint constraints in people with degenerative joint disease during gait. However, its influence during functional tasks, such as sit-to-stand, has not been reported.Research question: How uni- and bilateral toe-out foot positioning influence body-dynamics during a STS...
Gait & Posture
Fri Mar 15, 2019 14:08
The contralateral knee may not be a valid control for biomechanical outcomes after unilateral total knee arthroplasty
Publication date: May 2019Source: Gait & Posture, Volume 70Author(s): Moiyad Aljehani, Kathleen Madara, Lynn Snyder-Mackler, Cory Christiansen, Joseph A. ZeniAbstractBackgroundAlthough unilateral symptoms and unilateral total knee arthroplasty (TKA) are common, many patients have bilateral radiographic osteoarthritis (OA). Because the contralateral (non-operated) limb is often used as a comparison for clinical and biomechanical outcomes, it is important to know if the presence of OA influences...
Gait & Posture
Fri Mar 15, 2019 14:08
Auditory cues behind congenitally blind subjects improve their balance control in bipedal upright posture
Publication date: May 2019Source: Gait & Posture, Volume 70Author(s): Rime Sioud, Riadh Khalifa, Nicolas HouelAbstractBackgroundCongenitally blind subjects developed postural adaptations improving somatosensory and vestibular systems to maintain upright stability and auditory skills to orient them in environment. However, the influence of auditory cues on upright stability in congenitally blind subjects stays unknown.Research questionThe aim of this study is to define the influence of an auditory...
Gait & Posture
Fri Mar 15, 2019 14:08
Post-stroke deficits in the step-by-step control of paretic step width
Publication date: May 2019Source: Gait & Posture, Volume 70Author(s): Katy H. Stimpson, Lauren N. Heitkamp, Aaron E. Embry, Jesse C. DeanAbstractBackgroundHumans partially maintain gait stability by actively controlling step width based on the dynamic state of the pelvis – hereby defined as the "dynamics-dependent control of step width". Following a stroke, deficits in the accurate control of paretic leg motion may prevent use of this stabilization strategy.Research QuestionDo chronic stroke...
Gait & Posture
Sat Mar 09, 2019 12:25
A single session of trip-specific training modifies trunk control following treadmill induced balance perturbations in stroke survivors
Publication date: May 2019Source: Gait & Posture, Volume 70Author(s): Masood Nevisipour, Mark D. Grabiner, Claire F. HoneycuttAbstractBackgroundIndividuals with stroke are at significant risk of falling. Trip-specific training is a targeted training approach that has been shown to reduce falls in older adults and amputees by enhancing the compensatory stepping response required to prevent a fall. Still, individuals with stroke have unique deficits (e.g. spasticity) which draws into question if...
Gait & Posture
Fri Mar 22, 2019 14:09
Effect of walking speed on the intersegmental coordination of lower-limb segments in elderly adults
Publication date: May 2019Source: Gait & Posture, Volume 70Author(s): A.H. Dewolf, G.M. Meurisse, B. Schepens, P.A. WillemsAbstractBackgroundAgeing brings profound changes in walking gait. For example, older adults reduce the modification of pelvic and trunk kinematics with walking speed. However, the modification of the coordination between lower-limb segments with age has never been investigated across various controlled speeds.Research questionIs the effect of speed on the intersegmental coordination...
Gait & Posture
Wed Mar 13, 2019 13:19
Alexandros Sfakianakis
Anapafseos 5 . Agios Nikolaos
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