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https://www.readbyqxmd.com/read/28339904/validity-of-different-activity-monitors-to-count-steps-in-an-inpatient-rehabilitation-setting
#1
Daniel Treacy, Leanne Hassett, Karl Schurr, Sakina Chagpar, Serene S Paul, Catherine Sherrington
Background: Commonly used activity monitors have been shown to be accurate in counting steps in active people, however, further validation is needed in slower walking populations. Objectives: To determine the validity of activity monitors for measuring step counts in rehabilitation inpatients compared to visually-observed step counts. To explore the influence of gait parameters, activity monitor position and use of walkers on activity monitor accuracy. Methods: 166 inpatients admitted to a rehabilitation unit with an average walking speed of 0...
March 2, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28329183/remote-traumatic-brain-injury-is-associated-with-motor-dysfunction-in-older-military-veterans
#2
Raquel C Gardner, Carrie B Peltz, Kimbra Kenney, Kenneth E Covinsky, Ramon Diaz-Arrastia, Kristine Yaffe
Background: Traumatic brain injury (TBI) has been identified as a risk factor for Parkinson's disease (PD). Motor dysfunction among TBI-exposed elders without PD has not been well characterized. We sought to determine whether remote TBI is a risk factor for motor dysfunction on exam and functionally relevant motor dysfunction in day-to-day life among independently living elders without PD. Methods: This is a cross-sectional cohort study of independently living retired military veterans aged 50 or older with (n = 78) and without (n = 85) prior TBI-all without diagnosed PD...
January 20, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28327586/cellular-preservation-of-musculoskeletal-specializations-in-the-cretaceous-bird-confuciusornis
#3
Baoyu Jiang, Tao Zhao, Sophie Regnault, Nicholas P Edwards, Simon C Kohn, Zhiheng Li, Roy A Wogelius, Michael J Benton, John R Hutchinson
The hindlimb of theropod dinosaurs changed appreciably in the lineage leading to extant birds, becoming more 'crouched' in association with changes to body shape and gait dynamics. This postural evolution included anatomical changes of the foot and ankle, altering the moment arms and control of the muscles that manipulated the tarsometatarsus and digits, but the timing of these changes is unknown. Here, we report cellular-level preservation of tendon- and cartilage-like tissues from the lower hindlimb of Early Cretaceous Confuciusornis...
March 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28320887/hip-region-muscular-dystrophy-and-emergence-of-motor-deficits-in-dysferlin-deficient-bla-j-mice
#4
Nadia Nagy, Randal J Nonneman, Telmo Llanga, Catherine F Dial, Natallia V Riddick, Tom Hampton, Sheryl S Moy, Kimmo K Lehtimäki, Toni Ahtoniemi, Jukka Puoliväli, Hillarie Windish, Douglas Albrecht, Isabelle Richard, Matthew L Hirsch
The identification of a dysferlin-deficient animal model that accurately displays both the physiological and behavior aspects of human dysferlinopathy is critical for the evaluation of potential therapeutics. Disease progression in dysferlin-deficient mice is relatively mild, compared to the debilitating human disease which manifests in impairment of particular motor functions. Since there are no other known models of dysferlinopathy in other species, locomotor proficiency and muscular anatomy through MRI (both lower leg and hip region) were evaluated in dysferlin-deficient B6...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28319133/effects-of-sudden-walking-perturbations-on-neuromuscular-reflex-activity-and-three-dimensional-motion-of-the-trunk-in-healthy-controls-and-back-pain-symptomatic-subjects
#5
Juliane Mueller, Tilman Engel, Steffen Mueller, Josefine Stoll, Heiner Baur, Frank Mayer
BACKGROUND: Back pain patients (BPP) show delayed muscle onset, increased co-contractions, and variability as response to quasi-static sudden trunk loading in comparison to healthy controls (H). However, it is unclear whether these results can validly be transferred to suddenly applied walking perturbations, an automated but more functional and complex movement pattern. There is an evident need to develop research-based strategies for the rehabilitation of back pain. Therefore, the investigation of differences in trunk stability between H and BPP in functional movements is of primary interest in order to define suitable intervention regimes...
2017: PloS One
https://www.readbyqxmd.com/read/28317236/rehabilitation-of-revision-total-hip-replacement-a-multi-centre-survey-of-current-practice
#6
Meredith Newman, Karen Barker
BACKGROUND: Demand for revision total hip replacement (RTHR) is increasing. Outcomes after RTHR are varied, with reasonable pain relief but smaller gains in function and mobility. Whether sub-optimal rehabilitation contributes to poorer functional outcomes is unclear. Current rehabilitation is not well defined and there is little research into RTHR rehabilitation. AIMS AND OBJECTIVES: To gather information about the current rehabilitation of patients undergoing planned, single-stage revision or re-revision THR surgery...
March 20, 2017: Musculoskeletal Care
https://www.readbyqxmd.com/read/28304238/remote-motor-system-metabolic-profile-and-surgery-outcome-in-cervical-spondylotic-myelopathy
#7
Sorin C Craciunas, Mircea R Gorgan, Bogdan Ianosi, Phil Lee, Joseph Burris, Carmen M Cirstea
OBJECTIVE In patients with cervical spondylotic myelopathy (CSM), the motor system may undergo progressive functional/structural changes rostral to the lesion, and these changes may be associated with clinical disability. The extent to which these changes have a prognostic value in the clinical recovery after surgical treatment is not yet known. In this study, magnetic resonance spectroscopy (MRS) was used to test 2 primary hypotheses. 1) Based on evidence of corticospinal and spinocerebellar, rubro-, or reticulospinal tract degeneration/dysfunction during chronic spinal cord compression, the authors hypothesized that the metabolic profile of the primary motor cortices (M1s) and cerebellum, respectively, would be altered in patients with CSM, and these alterations would be associated with the extent of the neurological disabilities...
March 17, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28304237/cervical-disc-arthroplasty-with-the-prestige-lp-disc-versus-anterior-cervical-discectomy-and-fusion-at-2-levels-results-of-a-prospective-multicenter-randomized-controlled-clinical-trial-at-24-months
#8
Matthew F Gornet, Todd H Lanman, J Kenneth Burkus, Scott D Hodges, Jeffrey R McConnell, Randall F Dryer, Anne G Copay, Hui Nian, Frank E Harrell
OBJECTIVE The authors compared the efficacy and safety of arthroplasty using the Prestige LP cervical disc with those of anterior cervical discectomy and fusion (ACDF) for the treatment of degenerative disc disease (DDD) at 2 adjacent levels. METHODS Patients from 30 investigational sites were randomized to 1 of 2 groups: investigational patients (209) underwent arthroplasty using a Prestige LP artificial disc, and control patients (188) underwent ACDF with a cortical ring allograft and anterior cervical plate...
March 17, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28298890/the-differential-effect-of-arm-movements-during-gait-on-the-forward-acceleration-of-the-centre-of-mass-in-children-with-cerebral-palsy-and-typically-developing-children
#9
Pieter Meyns, Guy Molenaers, Jacques Duysens, Ilse Jonkers
Background: We aimed to study the contribution of upper limb movements to propulsion during walking in typically developing (TD) children (n = 5) and children with hemiplegic and diplegic cerebral palsy (CP; n = 5 and n = 4, respectively). Methods: Using integrated three-dimensional motion capture data and a scaled generic musculoskeletal model that included upper limbs, we generated torque driven simulations of gait in OpenSim. Induced acceleration analyses were then used to determine the contributions of the individual actuators located at the relevant degrees of freedoms of the upper and lower limb joints to the forward acceleration of the COM at each time point of the gait simulation...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28288544/dynamic-range-of-motion-hindlimb-stretching-disrupts-locomotor-function-in-rats-with-moderate-subacute-spinal-cord-injuries
#10
Anastasia Valerievna Keller, Kathlene Marie Rees, Daniella Christina Prince, Johnny R Morehouse, Alice Shum-Siu, David Sk Magnuson
Joint contractures and spasticity are two common secondary complications of a severe spinal cord injury (SCI) that can significantly reduce quality of life and stretching is one of the top strategies for rehabilitation of these complications. We have previously shown that a daily static stretching protocol administered to rats at either acute or chronic time points after a moderate or moderate-severe T10 SCI significantly disrupts their hindlimb locomotor function. The objective of the current study was to examine the effects of dynamic range of motion stretching on the locomotor function of rats with SCI as an alternative to static stretching...
March 13, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28283747/magnetic-resonance-diffusion-tensor-imaging-for-the-pedunculopontine-nucleus-proof-of-concept-and-histological-correlation
#11
A T D L Alho, C Hamani, E J L Alho, R E da Silva, G A B Santos, R C Neves, L L Carreira, C M M Araújo, G Magalhães, D B Coelho, M C Alegro, M G M Martin, L T Grinberg, C A Pasqualucci, H Heinsen, E T Fonoff, E Amaro
The pedunculopontine nucleus (PPN) has been proposed as target for deep brain stimulation (DBS) in patients with postural instability and gait disorders due to its involvement in muscle tonus adjustments and control of locomotion. However, it is a deep-seated brainstem nucleus without clear imaging or electrophysiological markers. Some studies suggested that diffusion tensor imaging (DTI) may help guiding electrode placement in the PPN by showing the surrounding fiber bundles, but none have provided a direct histological correlation...
March 10, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28282761/gait-variability-and-symmetry-in-world-class-senior-and-junior-race-walkers
#12
Catherine B Tucker, Brian Hanley
The aim of this study was to analyse gait variability and symmetry in race walkers. Eighteen senior and 17 junior athletes race walked on an instrumented treadmill (for 10 km and 5 km, respectively) at speeds equivalent to 103% of season's best time for 20 km and 10 km, respectively. Spatio-temporal and ground reaction force (GRF) data were recorded at 2.5 km, and at 4.5, 6.5 and 8.5 km for a subsection of athletes. Gait variability was measured using median absolute deviation (MAD) whereas inter-leg symmetry was measured using the symmetry angle...
September 22, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28279773/deep-brain-stimulation-of-pedunculopontine-nucleus-for-postural-instability-and-gait-disorder-after-parkinson-s-disease-a-meta-analysis-of-individual-patient-data
#13
Jia-Wei Wang, Yu-Qing Zhang, Xiao-Hua Zhang, Yun-Peng Wang, Ji-Ping Li, Yong-Jie Li
BACKGROUND: Postural instability and gait disorder(PIGD) in Parkinson's disease (PD) have been a great challenge in the clinical practice since PIGD is closely linked to major morbidity and mortality in PD. Pedunculopontine nucleus (PPN) has been considered as a potential promising target for deep brain stimulation (DBS) in the treatment of PIGD. Thus, this meta-analysis of individual patient data (IPD) was performed to assess the effects of PPN DBS on PIGD in PD patients and explore the factors predicting good outcome...
March 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28272726/-measurement-of-the-outcomes-in-acquired-brain-injury-in-a-neurorehabilitation-unit-a-long-term-study
#14
V Cruz-Guisado, P Diaz-Borrego, B Romero-Romero, M Rodriguez-Pinero Duran
INTRODUCTION: Following sudden brain damage, there is a loss of capabilities that affects the person's autonomy. Recovery from the physical, psychic and cognitive sequelae requires the application of multiple therapies, the outcomes of which need to be measured objectively. Our aim is to analyse the application of standardised instruments in determining the therapeutic outcomes in acquired brain injury. PATIENTS AND METHODS: We conducted a retrospective descriptive observational study lasting 13 months...
March 16, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28272238/association-between-sleep-duration-and-sarcopenia-among-community-dwelling-older-adults-a-cross-sectional-study
#15
Xiaoyi Hu, Jiaojiao Jiang, Haozhong Wang, Lei Zhang, Birong Dong, Ming Yang
Both sleep disorders and sarcopenia are common among older adults. However, little is known about the relationship between these 2 conditions.This study aimed to investigate the possible association between sleep duration and sarcopenia in a population of Chinese community-dwelling older adults.Community-dwelling older adults aged 60 years or older were recruited. Self-reported sleep duration, anthropometric data, gait speed, and handgrip strength were collected by face-to-face interviews. Sarcopenia was defined according to the recommended algorithm of the Asian Working Group for Sarcopenia (AWGS)...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28269309/a-control-method-for-transfemoral-prosthetic-knees-in-level-walking-and-stair-ascending-based-on-thigh-angular-motion
#16
K Inoue, A Pripunnochai, T Wada
Regaining the locomotive ability is necessary to maintain the activities of daily living in lower extremity amputees. Recently, the stability of the gait and multifunctionality of transfemoral prosthetic knees have drastically improved with the use of microprocessor-controlled knees, such as Genium ® (Otto Bock, GmbH). However, these knees, which also include products from other companies, are very expensive. Therefore, the purpose of the present study was to develop a control method for transfemoral prosthetic knees in order to perform level walking and stairs ascending safely, with fewer sensors or simpler procedures...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28263926/dopamine-depletion-impairs-gait-automaticity-by-altering-cortico-striatal-and-cerebellar-processing-in-parkinson-s-disease
#17
Moran Gilat, Peter T Bell, Kaylena A Ehgoetz Martens, Matthew J Georgiades, Julie M Hall, Courtney C Walton, Simon J G Lewis, James M Shine
Impairments in motor automaticity cause patients with Parkinson's disease to rely on attentional resources during gait, resulting in greater motor variability and a higher risk of falls. Although dopaminergic circuitry is known to play an important role in motor automaticity, little evidence exists on the neural mechanisms underlying the breakdown of locomotor automaticity in Parkinson's disease. This impedes clinical management and is in great part due to mobility restrictions that accompany the neuroimaging of gait...
March 3, 2017: NeuroImage
https://www.readbyqxmd.com/read/28263252/flexed-truncal-posture-in-parkinson-disease-measurement-reliability-and-relationship-with-physical-and-cognitive-impairments-mobility-and-balance
#18
Aimi L Forsyth, Serene S Paul, Natalie E Allen, Catherine Sherrington, Victor S C Fung, Colleen G Canning
BACKGROUND AND PURPOSE: Flexed truncal posture is common in people with Parkinson disease (PD); however, little is known about the mechanisms responsible or its effect on physical performance. This cross-sectional study aimed to establish the reliability of a truncal posture measurement and explore relationships between PD impairments and truncal posture, as well as truncal posture and balance and mobility. METHODS: A total of 82 people with PD participated. Truncal posture was measured in standing as the distance between vertebra C7 and a wall...
April 2017: Journal of Neurologic Physical Therapy: JNPT
https://www.readbyqxmd.com/read/28254734/telerehabilitation-versus-traditional-care-following-total-hip-replacement-a-randomized-controlled-trial-protocol
#19
Mark Nelson, Michael Bourke, Kay Crossley, Trevor Russell
BACKGROUND: Total hip replacement (THR) is the gold standard treatment for severe hip osteoarthritis. Effectiveness of physical rehabilitation for THR patients following discharge from hospital is supported by evidence; however, barriers such as geographical location and transport can limit access to appropriate health care. One solution to this issue is using an alternative model of care using telerehabilitation technology to deliver rehabilitation programs directly into patients' homes...
March 2, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28253887/effectiveness-of-robot-assisted-gait-training-in-children-with-cerebral-palsy-a-bicenter-pragmatic-randomized-cross-over-trial-pelogait
#20
C Ammann-Reiffer, C H G Bastiaenen, A D Meyer-Heim, H J A van Hedel
BACKGROUND: Walking ability is a priority for many children with cerebral palsy (CP) and their parents when considering domains of importance regarding treatment interventions. Partial body-weight supported treadmill training has become an established therapeutic treatment approach to address this demand. Further, new robotic rehabilitation technologies have increasingly been implemented in the clinical setting to allow for longer training sessions with increased step repetitions while maintaining a consistent movement pattern...
March 2, 2017: BMC Pediatrics
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