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Clinical gait analysis

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https://www.readbyqxmd.com/read/29155752/sagittal-plane-kinematic-gait-analysis-in-c57bl-6-mice-subjected-to-mog35-55-induced-experimental-autoimmune-encephalomyelitis
#1
Maximillian Dj Fiander, Matthew Aj Chedrawe, Anna-Claire Lamport, Turgay Akay, George S Robertson
Kinematic gait analysis in the sagittal plane has frequently been used to characterize motor deficits in multiple sclerosis (MS). We describe the application of these techniques to identify gait deficits in a mouse model of MS, known as experimental autoimmune encephalomyelitis (EAE). Paralysis and motor deficits in mice subjected to EAE are typically assessed using a clinical scoring scale. However, this scale yields only ordinal data that provides little information about the precise nature of the motor deficits...
November 4, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29150344/biomechanical-mechanism-of-lateral-trunk-lean-gait-for-knee-osteoarthritis-patients
#2
Kazuki Tokuda, Masaya Anan, Makoto Takahashi, Tomonori Sawada, Kenji Tanimoto, Nobuhiro Kito, Koichi Shinkoda
The biomechanical mechanism of lateral trunk lean gait employed to reduce external knee adduction moment (KAM) for knee osteoarthritis (OA) patients is not well known. This mechanism may relate to the center of mass (COM) motion. Moreover, lateral trunk lean gait may affect motor control of the COM displacement. Uncontrolled manifold (UCM) analysis is an evaluation index used to understand motor control and variability of the motor task. Here we aimed to clarify the biomechanical mechanism to reduce KAM during lateral trunk lean gait and how motor variability controls the COM displacement...
November 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29150169/vitamin-d-and-walking-speed-in-older-adults-systematic-review-and-meta-analysis
#3
REVIEW
Cedric Annweiler, Samir Henni, Stéphane Walrand, Manuel Montero-Odasso, Gustavo Duque, Guillaume T Duval
Vitamin D is involved in musculoskeletal health. There is no consensus on a possible association between circulating 25-hydroxyvitamin D (25OHD) concentrations and walking speed, a 'vital sign' in older adults. Our objective was to systematically review and quantitatively assess the association of 25OHD concentration with walking speed. A Medline search was conducted on June 2017, with no limit of date, using the MeSH terms "Vitamin D" OR "Vitamin D Deficiency" combined with "Gait" OR "Gait disorders, Neurologic" OR "Walking speed" OR "Gait velocity"...
December 2017: Maturitas
https://www.readbyqxmd.com/read/29149975/clinical-outcomes-of-living-liver-transplantation-according-to-the-presence-of-sarcopenia-as-defined-by-skeletal-muscle-mass-hand-grip-and-gait-speed
#4
N Harimoto, T Yoshizumi, T Izumi, T Motomura, N Harada, S Itoh, T Ikegami, H Uchiyama, Y Soejima, A Nishie, T Kamishima, R Kusaba, K Shirabe, Y Maehara
BACKGROUND: Sarcopenia is an independent predictor of death after living-donor liver transplantation (LDLT). However, the ability of the Asian Working Group for Sarcopenia criteria for sarcopenia (defined as reduced skeletal muscle mass plus low muscle strength) to predict surgical outcomes in patients who have undergone LDLT has not been determined. METHODS: This study prospectively enrolled 366 patients who underwent LDLT at Kyushu University Hospital. Skeletal muscle area (determined by computed tomography), hand-grip strength, and gait speed were measured in 102 patients before LDLT...
November 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29148155/identifying-biomechanical-gait-parameters-in-adolescent-boys-with-haemophilia-using-principal-component-analysis
#5
L B Suckling, D Stephensen, M C Cramp, R Mahaffey, W I Drechsler
INTRODUCTION: Improvements in the medical management for those with haemophilia have resulted in improved clinical outcomes. However, current treatment regimens do not alleviate all joint haemarthroses with the potential for long-term joint deterioration remaining. The evaluation of functional activities such as gait, using standardized tools to monitor children with haemophilia is emerging. AIM: This study explored differences in sagittal plane biomechanics of walking in adolescent boys aged 11-18 years with haemophilia and an age-matched group of typically developing boys...
November 17, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/29148138/artificial-walking-technologies-to-improve-gait-in-cerebral-palsy-multichannel-neuromuscular-stimulation
#6
Jessica Rose, Katelyn Cahill-Rowley, Erin E Butler
Cerebral palsy (CP) is the most common childhood motor disability and often results in debilitating walking abnormalities, such as flexed-knee and stiff-knee gait. Current medical and surgical treatments are only partially effective in improving gait abnormalities and may cause significant muscle weakness. However, emerging artificial walking technologies, such as step-initiated, multichannel neuromuscular electrical stimulation (NMES), can substantially improve gait patterns and promote muscle strength in children with spastic CP...
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29147083/spinal-cord-stimulation-in-failed-back-surgery-syndrome-effects-on-posture-and-gait-a-preliminary-3d-biomechanical-study
#7
L Brugliera, A De Luca, S Corna, M Bertolotto, G A Checchia, M Cioni, P Capodaglio, C Lentino
We studied 8 patients with spinal cord stimulation (SCS) devices which had been previously implanted to treat neuropathic chronic pain secondary to Failed Back Surgery Syndrome. The aim of our study was to investigate the effects of SCS on posture and gait by means of clinical scales (Short Form Health Survey-36, Visual Analogue Scale for pain, and Hamilton Depression Rating Scale) and instrumented evaluation with 3D Gait Analysis using a stereophotogrammetric system. The latter was performed with the SCS device turned both OFF and ON...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/29141630/ct-based-analysis-of-muscle-volume-and-degeneration-of-gluteus-medius-in-patients-with-unilateral-hip-osteoarthritis
#8
Takako Momose, Yutaka Inaba, Hyonmin Choe, Naomi Kobayashi, Taro Tezuka, Tomoyuki Saito
BACKGROUND: The gluteus medius (GMED) affects hip function as an abductor. We evaluated muscle volume and degeneration of the GMED by using CT-based analysis and assessed factors that affect hip abductor strength in patients with unilateral hip osteoarthritis (OA). METHODS: We examined clinical and imaging findings associated with hip abductor strength in consecutive 50 patients with unilateral hip OA. Hip abductor muscle strength and Harris hip score (HHS) were assessed...
November 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29130973/frequency-aetiology-and-outcome-of-small-cerebellar-infarction
#9
Zeljka Calic, Cecilia Cappelen-Smith, Ramesh Cuganesan, Craig S Anderson, Miriam Welgampola, Dennis J Cordato
BACKGROUND AND PURPOSE: Strokes due to small (<2 cm) cerebellar infarction are under-recognised, and their profile and aetiology have not been well characterised. We aimed to determine the frequency, clinical features, aetiology, and outcome of small as compared to large cerebellar infarction. METHODS: This study is a retrospective analysis of clinical and imaging features of a prospectively assessed series of 108 consecutive patients with acute cerebellar infarction admitted to Liverpool Hospital, Sydney, NSW, Australia, during 2011-2015...
November 2, 2017: Cerebrovascular Diseases Extra
https://www.readbyqxmd.com/read/29130632/dock3-related-neurodevelopmental-syndrome-biallelic-intragenic-deletion-of-dock3-in-a-boy-with-developmental-delay-and-hypotonia
#10
Aiko Iwata-Otsubo, Alyssa L Ritter, Brooke Weckselbatt, Nicole R Ryan, David Burgess, Laura K Conlin, Kosuke Izumi
Dedicator of cytokinesis (DOCK) family are evolutionary conserved guanine nucleotide exchange factors (GEFs) for the Rho GTPases, Rac, and Cdc42. DOCK3 functions as a GEF for Rac1, and plays an important role in promoting neurite and axonal growth by stimulating actin dynamics and microtubule assembly pathways in the central nervous system. Here we report a boy with developmental delay, hypotonia, and ataxia due to biallelic DOCK3 deletion. Chromosomal single nucleotide polymorphism (SNP) microarray analysis detected a 170 kb homozygous deletion including exons 6-12 of the DOCK3 gene at 3p21...
November 12, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29128930/prognostic-value-of-amyloid-pet-scan-in-normal-pressure-hydrocephalus
#11
Hyemin Jang, Seong Beom Park, Yeshin Kim, Ko Woon Kim, Jung Il Lee, Sung Tae Kim, Kyung Han Lee, Eun-Suk Kang, Yeong Sim Choe, Sang Won Seo, Hee Jin Kim, Yeo Jin Kim, Cindy W Yoon, Duk L Na
Amyloid positron emission tomography ([18F] florbetaben (FBB) PET) can be used to determine concomitant Alzheimer's disease (AD) in idiopathic normal pressure hydrocephalus (iNPH) patients. FBB PET scans and the tap test were performed in 31 patients with clinically suspected iNPH, and amyloid positive (iNPH/FBB+) and negative (iNPH/FBB-) groups were compared with respect to clinical characteristics. We evaluated prognostic value of FBB PET scans by analyzing the response to the tap test using a linear mixed model...
November 11, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29128164/grey-matter-volume-loss-is-associated-with-specific-clinical-motor-signs-in-huntington-s-disease
#12
Emma M Coppen, Milou Jacobs, Annette A van den Berg-Huysmans, Jeroen van der Grond, Raymund A C Roos
BACKGROUND: Motor disturbances are clinical hallmarks of Huntington's disease (HD) and involve chorea, dystonia, hypokinesia and visuomotor dysfunction. Investigating the association between specific motor signs and different regional volumes is important to understand the heterogeneity of HD. OBJECTIVE: To investigate the motor phenotype of HD and associations with subcortical and cortical grey matter volume loss. METHODS: Structural T1-weighted MRI scans of 79 HD patients and 30 healthy controls were used to calculate volumes of seven subcortical structures including the nucleus accumbens, hippocampus, thalamus, caudate nucleus, putamen, pallidum and amygdala...
November 2, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29126606/balance-study-in-asymptomatic-subjects-determination-of-significant-variables-and-reference-patterns-to-improve-clinical-application
#13
Juan de la Torre, Javier Marin, Jose J Marin, Jose M Auria, Maria B Sanchez-Valverde
Postural control is essential when carrying out everyday activities and its possible disorders have a very significant impact on personal autonomy. To provide the means to accurately measure postural control in the clinical environment, this study checks and discusses the suitability of procedures for a new balance assessment system with a stabilometric platform (MoveHuman-Dyna © UZ-IDERGO), which meets the criteria of clinical stabilometric standardisation established by the International Society for Posture and Gait Research (ISPGR) at the Bologna meeting (2009)...
November 7, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29126212/hereditary-spastic-paraplegia-type-5-natural-history-biomarkers-and-a-randomized-controlled-trial
#14
Ludger Schöls, Tim W Rattay, Peter Martus, Christoph Meisner, Jonathan Baets, Imma Fischer, Christine Jägle, Matthew J Fraidakis, Andrea Martinuzzi, Jonas Alex Saute, Marina Scarlato, Antonella Antenora, Claudia Stendel, Philip Höflinger, Charles Marques Lourenco, Lisa Abreu, Katrien Smets, Martin Paucar, Tine Deconinck, Dana M Bis, Sarah Wiethoff, Peter Bauer, Alessia Arnoldi, Wilson Marques, Laura Bannach Jardim, Stefan Hauser, Chiara Criscuolo, Alessandro Filla, Stephan Züchner, Maria Teresa Bassi, Thomas Klopstock, Peter De Jonghe, Ingemar Björkhem, Rebecca Schüle
Spastic paraplegia type 5 (SPG5) is a rare subtype of hereditary spastic paraplegia, a highly heterogeneous group of neurodegenerative disorders defined by progressive neurodegeneration of the corticospinal tract motor neurons. SPG5 is caused by recessive mutations in the gene CYP7B1 encoding oxysterol-7α-hydroxylase. This enzyme is involved in the degradation of cholesterol into primary bile acids. CYP7B1 deficiency has been shown to lead to accumulation of neurotoxic oxysterols. In this multicentre study, we have performed detailed clinical and biochemical analysis in 34 genetically confirmed SPG5 cases from 28 families, studied dose-dependent neurotoxicity of oxysterols in human cortical neurons and performed a randomized placebo-controlled double blind interventional trial targeting oxysterol accumulation in serum of SPG5 patients...
November 6, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29125433/a-points-based-algorithm-for-prognosticating-clinical-outcome-of-chiari-malformation-type-i-with-syringomyelia-results-from-a-predictive-model-analysis-of-82-surgically-managed-adult-patients
#15
Sumit Thakar, Laxminadh Sivaraju, Kuruthukulangara S Jacob, Aditya Atal Arun, Saritha Aryan, Dilip Mohan, Narayanam Anantha Sai Kiran, Alangar S Hegde
OBJECTIVE Although various predictors of postoperative outcome have been previously identified in patients with Chiari malformation Type I (CMI) with syringomyelia, there is no known algorithm for predicting a multifactorial outcome measure in this widely studied disorder. Using one of the largest preoperative variable arrays used so far in CMI research, the authors attempted to generate a formula for predicting postoperative outcome. METHODS Data from the clinical records of 82 symptomatic adult patients with CMI and altered hindbrain CSF flow who were managed with foramen magnum decompression, C-1 laminectomy, and duraplasty over an 8-year period were collected and analyzed...
November 10, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29124285/kinematics-and-arthrokinematics-in-the-chronic-acl-deficient-knee-are-altered-even-in-the-absence-of-instability-symptoms
#16
Chen Yang, Yasutaka Tashiro, Andrew Lynch, Freddie Fu, William Anderst
PURPOSE: To analyze the in vivo kinematics and arthrokinematics of chronic ACL-deficient (ACL-D) and unaffected contralateral knees during level walking and downhill running using dynamic biplane radiography. It was hypothesized that ACL-D knees would demonstrate increased anterior translation and internal rotation, and that ACL-deficiency would alter the tibiofemoral contact paths in comparison to the unaffected contralateral side. METHODS: Eight participants with unilateral chronic ACL-D without instability symptoms were recruited...
November 9, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29123499/gait-and-cognition-in-parkinson-s-disease-cognitive-impairment-is-inadequately-reflected-by-gait-performance-during-dual-task
#17
Heiko Gaßner, Franz Marxreiter, Simon Steib, Zacharias Kohl, Johannes C M Schlachetzki, Werner Adler, Bjoern M Eskofier, Klaus Pfeifer, Jürgen Winkler, Jochen Klucken
Introduction: Cognitive and gait deficits are common symptoms in Parkinson's disease (PD). Motor-cognitive dual tasks (DTs) are used to explore the interplay between gait and cognition. However, it is unclear if DT gait performance is indicative for cognitive impairment. Therefore, the aim of this study was to investigate if cognitive deficits are reflected by DT costs of spatiotemporal gait parameters. Methods: Cognitive function, single task (ST) and DT gait performance were investigated in 67 PD patients...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29121510/emg-normalization-method-based-on-grade-3-of-manual-muscle-testing-within-and-between-day-reliability-of-normalization-tasks-and-application-to-gait-analysis
#18
Anne Tabard-Fougère, Kevin Rose-Dulcina, Vincent Pittet, Romain Dayer, Nicolas Vuillerme, Stéphane Armand
Electromyography (EMG) is an important parameter in Clinical Gait Analysis (CGA), and is generally interpreted with timing of activation. EMG amplitude comparisons between individuals, muscles or days need normalization. There is no consensus on existing methods. The gold standard, maximum voluntary isometric contraction (MVIC), is not adapted to pathological populations because patients are often unable to perform an MVIC. The normalization method inspired by the isometric grade 3 of manual muscle testing (isoMMT3), which is the ability of a muscle to maintain a position against gravity, could be an interesting alternative...
November 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29114512/the-runsmart-training-program-effect-on-oxygen-consumption-and-lower-extremity-biomechanics-during-running
#19
Jennifer Bogulski, Steven Gonser, Doug Bush, Rachel Bugner, Lindsey Clark, Lisa Farrell, Kristen Swanson, Michael David Ross
As recreational running continues to gain popularity, more individuals are seeking ways to improve running performance. RunSmart is a running intervention program designed to enhance a runner's form. In addition to correcting flaws in a runner's form, RunSmart offers the opportunity for runners to continue a regular regimen while slowly integrating changes in form. The purpose of this case series was twofold: to determine if the RunSmart program coincides with improvements in oxygen consumption (VO2), a variable often associated with better running performance times, and to evaluate the RunSmart program in regard to enhancing gait biomechanics...
August 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/29111608/approach-for-gait-analysis-in-persons-with-limb-loss-including-residuum-and-prosthesis-socket-dynamics
#20
A K LaPrè, M Price, R Wedge, B R Umberger, F Sup
Musculoskeletal modeling and marker based motion capture techniques are commonly used to quantify the motions of body segments, and the forces acting on them during human gait. However, when these techniques are applied to analyze the gait of people with lower limb loss, the clinically relevant interaction between the residual limb and prosthesis socket is typically overlooked. It is known that there is considerable motion and loading at the residuum-socket interface, yet traditional gait analysis techniques do not account for these factors due to the inability to place tracking markers on the residual limb inside of the socket...
November 7, 2017: International Journal for Numerical Methods in Biomedical Engineering
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