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https://www.readbyqxmd.com/read/28199924/hip-ankle-coordination-during-gait-in-individuals-with-chronic-ankle-instability
#1
Sheng-Che Yen, Kevin K Chui, Marie B Corkery, Elizabeth A Allen, Caitlin M Cloonan
Individuals with chronic ankle instability (CAI) may have sensorimotor impairments that affect control at the hip in addition to the ankle. The purpose of this study was to compare hip-ankle coordination and coordination variability between individuals with CAI and healthy individuals during walking. Ten healthy subjects and 10 subjects with CAI were recruited to walk on a treadmill. Hip-ankle coordination was quantified using vector coding, and coordination variability was quantified using coefficient of correspondence...
February 7, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28167388/unplanned-gait-termination-in-individuals-with-multiple-sclerosis
#2
Kathleen L Roeing, Yaejin Moon, Jacob J Sosnoff
Despite the pervasive nature of gait impairment in multiple sclerosis (MS), there is limited information concerning the control of gait termination in individuals with MS. The purpose of this investigation was to examine unplanned gait termination with and without cognitive distractors in individuals with MS compared to healthy controls. Thirty-one individuals with MS and 14 healthy controls completed a series of unplanned gait termination tasks over a pressure sensitive walkway under distracting and non-distracting conditions...
January 30, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28103470/gender-differences-in-asymmetrical-limb-support-patterns-between-subjects-with-and-without-recurrent-low-back-pain
#3
Paul S Sung, J Tim Zipple, Pamela Danial
New insight regarding limb-dominance effects on temporal-spatial gait parameters is needed to further investigate subjects with recurrent low back pain (LBP). Although an asymmetrical gait pattern was found to reflect natural functional differences, there is a lack of information regarding gender differences on dominant limb support patterns in subjects with LBP. The purpose of this study was to investigate temporal-spatial gait parameters based on limb dominance and gender between subjects with and without LBP...
January 16, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28099115/examination-of-the-reliability-of-an-inertial-sensor-based-gait-analysis-system
#4
Katja Orlowski, Falko Eckardt, Fabian Herold, Norman Aye, Jürgen Edelmann-Nusser, Kerstin Witte
Gait analysis is an important and useful part of the daily therapeutic routine. InvestiGAIT, an inertial sensor-based system, was developed for using in different research projects with a changing number and position of sensors and because commercial systems do not capture the motion of the upper body. The current study is designed to evaluate the reliability of InvestiGAIT consisting of four off-the-shelf inertial sensors and in-house capturing and analysis software. Besides the determination of standard gait parameters, the motion of the upper body (pelvis and spine) can be investigated...
January 18, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28095359/gait-deviations-associated-with-plantar-heel-pain-a-systematic-review
#5
REVIEW
Adam Phillips, Shane McClinton
BACKGROUND: Plantar heel pain is a common foot disorder associated with significant pain and gait-related disability. The aim of this systematic review was to identify gait deviations associated with plantar heel pain. METHODS: A systematic review of articles with quantitative gait variables in individuals with plantar heel pain was conducted using the CINAHL, MEDLINE, Scopus, and Embase databases. Methodological quality was assessed using the modified Downs and Black criteria and used along with the number of studies per gait variable to determine level of evidence...
December 24, 2016: Clinical Biomechanics
https://www.readbyqxmd.com/read/28095075/a-pilot-study-using-entropy-as-a-non-invasive-assessment-of-running
#6
Andrew M Murray, Joong Hyun Ryu, John Sproule, Anthony P Turner, Phil Graham-Smith, Marco Cardinale
PURPOSE: Running performance is influenced by the interaction of biomechanical and physiological factors. Miniaturised accelerometers worn by the athlete can be used to quantify mechanical aspects of running and be used as a non-invasive tool to assess training status and progression. The aim of this study was to define and validate a method to assess running regularity and allow the estimation of an individual's V̇O2 and/or blood lactate [La]b based on data collected with accelerometers and heart rate (HR)...
January 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28064033/altered-gait-mechanics-and-elevated-serum-pro-inflammatory-cytokines-in-asymptomatic-patients-with-mri-evidence-of-knee-cartilage-loss
#7
S N Edd, J Favre, K Blazek, P Omoumi, J L Asay, T P Andriacchi
OBJECTIVE: To test if sagittal plane gait mechanics parameters and serum inflammation levels differ between healthy asymptomatic subjects and asymptomatic subjects with magnetic resonance imaging (MRI) evidence of cartilage loss. DESIGN: Gait mechanics and resting serum tumor necrosis factor-α (TNFα) concentrations were measured for two groups of asymptomatic subjects recruited for a previous study: Pre-Osteoarthritis (OA) subjects had MRI evidence of partial- or full-thickness knee cartilage loss in at least one compartment (n = 52 (30 female), 1...
January 5, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28045571/gait-rehabilitation-for-a-patient-with-an-osseointegrated-prosthesis-following-transfemoral-amputation
#8
Ruud A Leijendekkers, Gerben van Hinte, Maria Wg Nijhuis-van der Sanden, J Bart Staal
BACKGROUND: In patients with a transfemoral amputation socket-related problems are associated with reduced prosthetic use, activity, and quality of life. Furthermore, gait asymmetries are present that may explain secondary complaints. Bone-anchored prostheses (BAPs) may help these patients. Two types of BAP are available, screw and press-fit implants. Rehabilitation following surgery for a press-fit BAP is poorly described. PURPOSE: To describe a rehabilitation program designed to minimize compensation strategies and increase activity using a case-report of an active, 70-year-old man with a traumatic transfemoral amputation who had used a socket prosthesis for 52 years and received a press-fit BAP [Endo-Exo Femoral Prosthesis - EEFP]...
February 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28018193/are-modular-activations-altered-in-lower-limb-muscles-of-persons-with-multiple-sclerosis-during-walking-evidence-from-muscle-synergies-and-biomechanical-analysis
#9
Tiziana Lencioni, Johanna Jonsdottir, Davide Cattaneo, Alessandro Crippa, Elisa Gervasoni, Marco Rovaris, Emilio Bizzi, Maurizio Ferrarin
Background: Persons with Multiple Sclerosis frequently have gait deficits that lead to diminished activities of daily living. Identification of motoneuron activity patterns may elucidate new insight into impaired locomotor coordination and underlying neural systems. The aim of the present study was to investigate muscle synergies, identified by motor modules and their activation profiles, in persons with Multiple Sclerosis (PwMS) during walking compared to those of healthy subjects (HS), as well as, exploring relationship of muscle synergies with walking ability of PwMS...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27980288/a-case-of-central-pontine-and-extrapontine-myelinolysis-after-surgery-for-a-pituitary-tumor
#10
Takanobu Ishiguro, Tomohiko Ishihara, Yuya Hatano, Takahiro Abe, Takayoshi Shimohata, Masatoyo Nishizawa
A 21-year-old woman underwent surgery for a pituitary tumor. On the 11th postoperative day, blood examination revealed severe hyponatremia, with a serum sodium level of 111 mEq/l, and two days later this increased rapidly to 137 mEq/l. On the 20th postoperative day, the patient developed dysarthria and gait disturbance. Head MRI on the 30th postoperative day demonstrated intense high-signal lesions in the pons and bilateral corpus striatum on FLAIR and DWI, and central pontine and extrapontine myelinolysis was diagnosed...
December 16, 2016: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/27918630/changes-in-gait-patterns-induced-by-rhythmic-auditory-stimulation-for-adolescents-with-acquired-brain-injury
#11
Soo Ji Kim, Yoon-Kyum Shin, Ga Eul Yoo, Hyun Ju Chong, Sung-Rae Cho
The effects of rhythmic auditory stimulation (RAS) on gait in adolescents with acquired brain injury (ABI) were investigated. A total of 14 adolescents with ABI were initially recruited, and 12 were included in the final analysis (n = 6 each). They were randomly assigned to the experimental (RAS) or the control (conventional gait training) groups. The experimental group received gait training with RAS three times a week for 4 weeks. For both groups, spatiotemporal parameters and kinematic data, such as dynamic motions of joints on three-dimensional planes during a gait cycle and the range of motion in each joint, were collected...
December 2016: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/27847840/the-effect-of-patellofemoral-pain-syndrome-on-gait-parameters-a-literature-review
#12
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/27846435/muscle-activation-patterns-of-the-lumbo-pelvic-hip-complex-during-walking-gait-before-and-after-exercise
#13
Mihyang Chang, Lindsay V Slater, Revay O Corbett, Joseph M Hart, Jay Hertel
The lumbo-pelvic-hip core complex consists of musculoskeletal structures that stabilize the spine and pelvis, however fatigue may affect muscle recruitment, active muscle stiffness and trunk kinematics, compromising trunk stability. The purpose of this study was to compare trunk muscle activation patterns, and trunk and lower extremity kinematics during walking gait before and after exercise. Surface electrodes were placed over the rectus abdominis, external oblique, erector spinae, gluteus medius, vastus lateralis, and vastus medialis of twenty-five healthy inidviduals...
November 9, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27825072/surface-emg-analysis-for-the-quantification-of-thigh-muscle-dynamic-co-contractions-during-normal-gait
#14
Annachiara Strazza, Alessandro Mengarelli, Sandro Fioretti, Laura Burattini, Valentina Agostini, Marco Knaflitz, Francesco Di Nardo
The research purpose was to quantify the co-contraction patterns of quadriceps femoris (QF) vs. hamstring muscles during free walking, in terms of onset-offset muscular activation, excitation intensity, and occurrence frequency. Statistical gait analysis was performed on surface-EMG signals from vastus lateralis (VL), rectus femoris (RF), and medial hamstrings (MH), in 16315 strides walked by 30 healthy young adults. Results showed full superimpositions of MH with both VL and RF activity from terminal swing, 80 to 100% of gait cycle (GC), to the successive loading response (≈0-15% of GC), in around 90% of the considered strides...
January 2017: Gait & Posture
https://www.readbyqxmd.com/read/27821945/ankle-knee-and-hip-joint-contribution-to-body-support-during-gait
#15
Tsutomu Fukui, Yasuhisa Ueda, Fumiko Kamijo
[Purpose] Support moment was defined as the sum of ankle plantar flexion, knee and hip extension moments. There are some mechanical relationships among the 3 joints. If these relationships were understood, it might be possible to determine which joint should be strengthened to improve gait. The aims of this study were to examine the mutual relationship among kinetic variables of the 3 joints during different phases. [Subjects and Methods] Twenty-five healthy subjects volunteered for this study. They were asked to walk on a platform at a self-selected speed...
October 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27808596/an-innovative-training-program-based-on-virtual-reality-and-treadmill-effects-on-gait-of-persons-with-multiple-sclerosis
#16
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/27781099/related-or-not-development-of-spontaneous-creutzfeldt-jakob-disease-in-a-patient-with-chronic-well-controlled-hiv-a-case-report-and-review-of-the-literature
#17
M-Alain Babi, Bryan D Kraft, Sweta Sengupta, Haley Peterson, Ryan Orgel, Zachary Wegermann, Njira L Lugogo, Matthew W Luedke
BACKGROUND: We report a novel case of a rare disease: spontaneous Creutzfeldt-Jakob disease in a patient with well-controlled HIV. We explore the relationship between spontaneous Creutzfeldt-Jakob disease and HIV. CASE REPORT: A 66-year-old man with long-standing, well-controlled HIV infection presented with 3 months of progressive, subacute neurocognitive decline. His symptoms included conceptual apraxia, apathy, memory impairment, and gait disturbance, and were initially attributed to depressive "pseudo-dementia...
2016: SAGE open medical case reports
https://www.readbyqxmd.com/read/27770063/gait-analysis-of-foot-compensation-after-arthrodesis-of-the-first-metatarsophalangeal-joint
#18
Jasper Stevens, Kenneth Meijer, Wouter Bijnens, Mathijs C H W Fuchs, Lodewijk W van Rhijn, Joris P S Hermus, Sander van Hoeve, Martijn Poeze, Adhiambo M Witlox
BACKGROUND: Arthrodesis of the first metatarsophalangeal (MTP1) joint is an intervention often used in patients with severe MTP1 joint osteoarthritis and relieves pain in approximately 80% of these patients. The kinematic effects and compensatory mechanism of the foot for restoring a more normal gait pattern after this intervention are unknown. The aim of this study was to clarify this compensatory mechanism, in which it was hypothesized that the hindfoot and forefoot would be responsible for compensation after an arthrodesis of the MTP1 joint...
February 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/27766187/summary-of-human-ankle-mechanical-impedance-during-walking
#19
Hyunglae Lee, Elliott J Rouse, Hermano Igo Krebs
The human ankle joint plays a critical role during walking and understanding the biomechanical factors that govern ankle behavior and provides fundamental insight into normal and pathologically altered gait. Previous researchers have comprehensively studied ankle joint kinetics and kinematics during many biomechanical tasks, including locomotion; however, only recently have researchers been able to quantify how the mechanical impedance of the ankle varies during walking. The mechanical impedance describes the dynamic relationship between the joint position and the joint torque during perturbation, and is often represented in terms of stiffness, damping, and inertia...
2016: IEEE Journal of Translational Engineering in Health and Medicine
https://www.readbyqxmd.com/read/27748686/spinocerebellar-ataxia-type-12-clues-to-pathogenesis
#20
Rachael L Cohen, Russell L Margolis
PURPOSE OF REVIEW: Spinocerebellar ataxia type 12 (SCA12) is a rare autosomal dominant neurodegenerative disease characterized by tremor, gait abnormalities, and neuropsychiatric syndromes. The location of the causative CAG/CTG expansion mutation in PPP2R2B, a gene encoding regulatory units of the protein phosphatase 2A, may provide unique insights into the pathogenesis of neurodegeneration. RECENT FINDINGS: The first neuropathological examination of a brain from an SCA12 patient revealed both cerebellar and cerebral cortical atrophy, with a noted loss of Purkinje cells and no evidence of polyglutamine aggregates...
December 2016: Current Opinion in Neurology
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