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Gait analyse

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https://www.readbyqxmd.com/read/28527225/clinical-feasibility-of-gait-training-with-a%C3%A2-robotic-exoskeleton-wpal-in-an-individual-with-both-incomplete-cervical-and-complete-thoracic-spinal-cord-injury-a%C3%A2-case-study
#1
Shigeo Tanabe, Soichiro Koyama, Eiichi Saitoh, Satoshi Hirano, Kanan Yatsuya, Tetsuya Tsunoda, Masaki Katoh, Takeshi Gotoh, Ayako Furumoto
BACKGROUND: Patients with tetraplegia can achieve independent gait with lateral-type powered exoskeletons; it is unclear whether medial-type powered exoskeletons allow for this. OBJECTIVE: To investigate gait training with a medial-type powered exoskeleton wearable power-assist locomotor (WPAL) in an individual with incomplete cervical (C5) and complete thoracic (T12) spinal cord injury (SCI). METHODS: The 60-session program was investigated retrospectively using medical records...
May 19, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28526584/a-simple-algorithm-to-predict-falls-in-primary-care-patients-aged-65-to-74%C3%A2-years-the-international-mobility-in-aging-study
#2
Fernando Gomez, Yan Yan Wu, Mohammad Auais, Afshin Vafaei, Maria-Victoria Zunzunegui
OBJECTIVE: Primary care practitioners need simple algorithms to identify older adults at higher risks of falling. Classification and regression tree (CaRT) analyses are useful tools for identification of clinical predictors of falls. DESIGN: Prospective cohort. SETTING: Community-dwelling older adults at 5 diverse sites: Tirana (Albania), Natal (Brazil), Manizales (Colombia), Kingston (Ontario, Canada), and Saint-Hyacinthe (Quebec, Canada)...
May 16, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28525667/functional-results-in-periacetabular-osteotomy-is-it-possible-to-obtain-a-normal-gait-after-the-surgery
#3
Aydın Gahramanov, Fatma İnanıcı, Ömür Çağlar, Cemalettin Aksoy, Ahmet Mazhar Tokgözoğlu, Senem Güner, Aysun Baki, Bülent Atilla
INTRODUCTION: Gait analysis is one of the poorly understood dimensions of the functional results obtained after periacetabular osteotomy (PAO) due to dysplasia of the hip. MATERIALS AND METHODS: Spatiotemporal parameters as well as coronal and sagittal plane kinematics and moments were compared among three demographically similar groups of subjects: (i) 23 patients with excellent results according to the Harris Hip Score (HHS) (mean 6.6 years of follow-up); (ii) 12 patients with good and fair results according to the HHS (mean 9...
May 19, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28523357/lesion-location-associated-with-balance-recovery-and-gait-velocity-change-after-rehabilitation-in-stroke-patients
#4
Hyun Im Moon, Hyo Jeong Lee, Seo Yeon Yoon
PURPOSE: Impaired gait function after stroke contributes strongly to overall patient disability. However, the response to rehabilitation varies between individuals. The aims of this study were to identify predictors of gait velocity change and to elucidate lesion location associated with change of balance and gait function. METHODS: We reviewed 102 stroke patients. The patients were divided into two groups according to gait ability post-rehabilitation, and we analyzed differences in their characteristics, such as demographic information, lesion factors, and initial balance function...
May 18, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28501342/speed-age-sex-and-body-mass-index-provide-a-rigorous-basis-for-comparing-the-kinematic-and-kinetic-profiles-of-the-lower-extremity-during-walking
#5
E F Chehab, T P Andriacchi, J Favre
The increased use of gait analysis has raised the need for a better understanding of how walking speed and demographic variations influence asymptomatic gait. Previous analyses mainly reported relationships between subsets of gait features and demographic measures, rendering it difficult to assess whether gait features are affected by walking speed or other demographic measures. The purpose of this study was to conduct a comprehensive analysis of the kinematic and kinetic profiles during ambulation that tests for the effect of walking speed in parallel to the effects of age, sex, and body mass index...
April 20, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28499954/systematic-review-and-meta-analysis-of-gait-mechanics-in-young-and-older-adults
#6
Katherine A Boyer, Russell T Johnson, Jacob J Banks, Carl Jewell, Jocelyn F Hafer
BACKGROUND: Age-related gait changes may play a critical role in functional limitations of older adults. Despite sizable interest in determining how age alters walking mechanics, small sample sizes and varied outcome measures have precluded a comprehensive understanding of the impact of age on lower extremity joint kinematics and kinetics. OBJECTIVE: The aim of this study was to perform a systematic review and meta-analysis of the aging gait mechanics literature...
May 9, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28493841/diagnostic-performance-of-gait-speed-g8-and-g8-modified-indices-to-screen-for-vulnerability-in-older-cancer-patients-the-prospective-pf-ec-cohort-study
#7
Frederic Pamoukdjian, Florence Canoui-Poitrine, Coralie Longelin-Lombard, Thomas Aparicio, Nathalie Ganne, Philippe Wind, Claudia Martinez-Tapia, Etienne Audureau, Georges Sebbane, Laurent Zelek, Elena Paillaud
BACKGROUND: The diagnostic performance of tools used to screen vulnerability in older cancer patients varies widely. We assessed the diagnostic performance of gait speed (GS) for assessing vulnerability in such patients. METHODS: All consecutive outpatients 65 years and older were referred for geriatric oncology assessment (GA) before a therapeutic decision between November 2013 and April 2016 in a bicentric observational and prospective cohort study. Vulnerability was defined as impaired score on at least one of the 6 domains of the GA...
April 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28493068/cathepsin-s-increases-tau-oligomer-formation-through-limited-cleavage-but-only-il-6-not-cathespin-s-serum-levels-correlate-with-disease-severity-in-the-neurodegenerative-tauopathy-progressive-supranuclear-palsy
#8
Georg Nübling, M Schuberth, K Feldmer, A Giese, L M Holdt, D Teupser, S Lorenzl
Limited cleavage promotes the aggregation propensity of protein tau in neurodegenerative tauopathies. Cathepsin S (CatS) is overexpressed in brains of patients suffering from tauopathies such as Alzheimer's disease (AD). Furthermore, CatS serum levels correlate with survival in the elderly. The current study investigates whether limited cleavage by CatS promotes tau aggregation, and whether CatS serum levels may correlate with disease severity in tauopathies. Oligomer formation of fluorescently labeled protein tau was monitored by single particle fluorescence spectroscopy after coincubation with CatS...
May 10, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28487621/effect-of-drop-foot-on-spatiotemporal-kinematic-and-kinetic-parameters-during-gait
#9
Ida Wiszomirska, Michalina Błażkiewicz, Katarzyna Kaczmarczyk, Grażyna Brzuszkiewicz-Kuźmicka, Andrzej Wit
Background. The complexity of the structure and function of a living body can be affected by disorders and can cause various dysfunctions. Objective. The aim of this study was to determine compensatory mechanisms in subjects with drop foot during gait. Methods. The study evaluated 10 subjects with drop foot (DF) whose results were compared to a group of 10 healthy controls (C). Spatiotemporal, kinematic, and kinetic parameters during the gait cycle were collected using Vicon system synchronized with Kistler platforms...
2017: Applied Bionics and Biomechanics
https://www.readbyqxmd.com/read/28480432/whole-body-vibration-exercise-improves-functional-parameters-in-patients-with-osteogenesis-imperfecta-a-systematic-review-with-a-suitable-approach
#10
Danubia C Sá-Caputo, Carla da F Dionello, Éric Heleno F F Frederico, Laisa L Paineiras-Domingos, Cintia Renata Sousa-Gonçalves, Danielle S Morel, Eloá Moreira-Marconi, Marianne Unger, Mario Bernardo-Filho
BACKGROUND: Patients with osteogenesis imperfecta (OI) have abnormal bone modelling and resorption. The bone tissue adaptation and responsivity to dynamic and mechanical loading may be of therapeutic use under controlled circumstances. Improvements due to the wholebody vibration (WBV) exercises have been reported in strength, motion, gait, balance, posture and bone density in several osteopenic individuals, as in post-menopausal women or children with disabling conditions, as patients with OI...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28476209/vacuum-level-effects-on-knee-contact-force-for-unilateral-transtibial-amputees-with-elevated-vacuum-suspension
#11
Hang Xu, Kasey Greenland, Donald Bloswick, Jie Zhao, Andrew Merryweather
The elevated vacuum suspension system (EVSS) has demonstrated unique health benefits for amputees, but the effect of vacuum pressure values on knee contact force (KCF) is still unclear. The objective of this study was to investigate the effect of vacuum levels on KCF for unilateral transtibial amputees (UTA) using the EVSS. Three-dimensional gait was modeled for 9 UTA with five vacuum levels (0-20inHg [67.73kPa], 5inHg [16.93kPa] increments) and 9 non-amputees based on kinematic and ground reaction force data...
April 20, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28475196/do-clinical-assessments-steady-state-or-daily-life-gait-characteristics-predict-falls-in-ambulatory-chronic-stroke-survivors
#12
Michiel Punt, Sjoerd M Bruijn, Harriet Wittink, Ingrid G van de Port, Jaap H van Dieën
OBJECTIVE: This exploratory study investigated to what extent gait characteristics and clinical physical therapy assessments predict falls in chronic stroke survivors. DESIGN: Prospective study. SUBJECTS: Chronic fall-prone and non-fall-prone stroke survivors. METHODS: Steady-state gait characteristics were collected from 40 participants while walking on a treadmill with motion capture of spatio-temporal, variability, and stability measures...
May 5, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28473960/abnormal-ground-reaction-forces-lead-to-a-general-decline-in-gait-speed-in-knee-osteoarthritis-patients
#13
Anatole Vilhelm Wiik, Adeel Aqil, Mads Brevadt, Gareth Jones, Justin Cobb
AIM: To analyse ground reaction forces at higher speeds using another method to be more sensitive in assessing significant gait abnormalities. METHODS: A total of 44 subjects, consisting of 24 knee osteoarthritis (OA) patients and 20 healthy controls were analysed. The knee OA patients were recruited from an orthopaedic clinic that were awaiting knee replacement. All subjects had their gait patterns during stance phase at top walking speed assessed on a validated treadmill instrumented with tandem force plates...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28473344/lumbar-puncture-test-in-normal-pressure-hydrocephalus-does-the-volume-of-csf-removed-affect-the-response-to-tap
#14
S K Thakur, Y Serulle, N P Miskin, H Rusinek, J Golomb, A E George
BACKGROUND AND PURPOSE: There is limited evidence to support the use of high-volume lumbar taps over lower-volume taps in the diagnosis of normal pressure hydrocephalus. The purpose of this study is to detect whether the volume of CSF removed from patients undergoing high-volume diagnostic lumbar tap test for normal pressure hydrocephalus is significantly associated with post-lumbar tap gait performance. MATERIALS AND METHODS: This retrospective study included 249 consecutive patients who underwent evaluation for normal pressure hydrocephalus...
May 4, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28469597/cognitive-dysfunction-is-associated-with-greater-imbalance-and-falls-in-essential-tremor
#15
Elan D Louis, Sarah Kellner, Sarah Morgan, Kathleen Collins, Brittany Rohl, Edward D Huey, Stephanie Cosentino
BACKGROUND: Essential tremor (ET) is not exclusively a tremor disorder; it is also associated with cognitive and gait dysfunction. However, a gap in knowledge is that the relationship between cognitive and gait dysfunction has not been studied in detail in ET. We examined the relationship between cognition and balance and falls in ET and hypothesized that cognitive dysfunction in ET patients would be associated with greater problems with balance and more falls. METHODS: ET cases were recruited into the Clinical-pathological Study of Cognition in ET...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28463403/the-impact-of-frailty-status-on-clinical-and-functional-outcomes-after-transcatheter-aortic-valve-replacement-in-nonagenarians-with-severe-aortic-stenosis
#16
Alexis K Okoh, Dhaval Chauhan, Nathan Kang, Nicky Haik, Aurelie Merlo, Mark Cohen, Bruce Haik, Chunguang Chen, Mark J Russo
BACKGROUND: The impact of frailty status on TAVR outcomes in nonagenarians is unknown. The present study aims to investigate the impact of frailty status on procedural outcomes and overall survival in nonagenarians after TAVR. METHODS: A frailty score (FS) was derived by using preoperative grip strength, gait speed, serum albumin, and daily activities. Patients were divided into two groups: Frail (FS ≥ 3/4) and Non-Frail (FS <3/4). Health status was assessed using the 12-item Kansas City Cardiomyopathy Questionnaire (KCCQ)...
May 2, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28462424/evaluation-of-a-surrogate-contact-model-in-multi-body-dynamic-simulations-of-total-knee-replacement
#17
Marco A Marra, Michael S Andersen, Michael Damsgaard, Bart F J M Koopman, Dennis Janssen, Nico Verdonschot
Knowing the forces in the human body is of great clinical interest and musculoskeletal models are the most commonly used tool to estimate them in vivo. Unfortunately, the process of computing muscle, joint contact and ligament forces simultaneously is computationally highly demanding. The goal of this study was to develop a fast surrogate model of the tibiofemoral (TF) contact in a total knee replacement (TKR) model and apply it to force-dependent kinematic simulations of activities of daily living (ADLs). Multiple domains were populated with sample points from the reference TKR contact model, based on reference simulations and design-of-experiments...
May 2, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28461915/gait-analysis-of-patients-with-knee-osteoarthritis-highlights-a-pathological-mechanical-pathway-and-provides-a-basis-for-therapeutic-interventions
#18
REVIEW
Julien Favre, Brigitte M Jolles
Knee osteoarthritis (OA) is a painful and incapacitating disease affecting a large portion of the elderly population, for which no cure exists. There is a critical need to enhance our understanding of OA pathogenesis, as a means to improve therapeutic options.Knee OA is a complex disease influenced by many factors, including the loading environment. Analysing knee biomechanics during walking - the primary cyclic load-bearing activity - is therefore particularly relevant.There is evidence of meaningful differences in the knee adduction moment, flexion moment and flexion angle during walking between non-OA individuals and patients with medial knee OA...
October 2016: EFORT Open Rev
https://www.readbyqxmd.com/read/28444350/reliability-validity-and-minimal-detectable-change-of-four-step-stair-climb-power-test-in-community-dwelling-older-adults
#19
Meng Ni, Lorna G Brown, Danielle Lawler, Jonathan F Bean
Background.: Stair climb power is an important clinical measure of lower-extremity power. The stair climb power test (SCPT) was validated by requiring individuals to climb a full flight of stairs. A four-step SCPT (4SCPT) would be more clinically feasible and easier to perform, yet its reliability and validity is unknown. Objective.: To evaluate reliability, validity, and minimal detectable change of 4SCPT among community-dwelling older adults. Design...
April 21, 2017: Physical Therapy
https://www.readbyqxmd.com/read/28441739/the-use-of-immus-in-a-water-environment-instrument-validation-and-application-of-3d-multi-body-kinematic-analysis-in-medicine-and-sport
#20
Anna Lisa Mangia, Matteo Cortesi, Silvia Fantozzi, Andrea Giovanardi, Davide Borra, Giorgio Gatta
The aims of the present study were the instrumental validation of inertial-magnetic measurements units (IMMUs) in water, and the description of their use in clinical and sports aquatic applications applying customized 3D multi-body models. Firstly, several tests were performed to map the magnetic field in the swimming pool and to identify the best volume for experimental test acquisition with a mean dynamic orientation error lower than 5°. Successively, the gait and the swimming analyses were explored in terms of spatiotemporal and joint kinematics variables...
April 22, 2017: Sensors
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