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Gait analysis

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https://www.readbyqxmd.com/read/28222565/carbon-modular-orthosis-ca-m-o-an%C3%A2-innovative-hybrid-modular-ankle-foot-orthosis-to-tune-the-variable-rehabilitation-needs-in-hemiplegic-cerebral-palsy
#1
E Tavernese, M Petrarca, G Rosellini, E Di Stanislao, A Pisano, G Di Rosa, E Castelli
BACKGROUND: Hemiplegic Celebral Palsy (CP) children commonly use AFO orthoses as walking aids. It is known that AFOs may have a detrimental effect on gait. To enhance mechanical properties of AFOs we developed an innovative, custom-made, carbon, ankle-foot orthosis (Ca.M.O) which offers the opportunity to tune its response to the patient's gait characteristics and/or functional maturity. OBJECTIVE: To assess the efficacy of Ca.M.O. in improving gait in a group of hemiplegic CP children and to compare its performances with those of commonly prescribed AFO...
February 10, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28222548/does-positive-pressure-body-weight-support-alter-spatiotemporal-gait-parameters-in-healthy-and-parkinsonian-individuals
#2
Joshua J Lander, Matthew F Moran
BACKGROUND: Evidence suggests treadmill training (TT) and body-weight supported treadmill training (BWSTT) are effective strategies to improve gait in Parkinson's disease (PD) patients. However, few researchers have investigated the spatiotemporal parameters during TT or BWSTT. OBJECTIVE: The goal of this study is to determine gait adaptations in PD and healthy subjects during positive pressure BWSTT and post-intervention overground walking. METHODS: Ten PD and ten healthy individuals participated in this study...
February 6, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28222369/what-can-gait-tell-us-about-dementia-review-of-epidemiological-and-neuropsychological-evidence
#3
REVIEW
Vyara Valkanova, Klaus P Ebmeier
BACKGROUND: Cognitive impairment and gait disorders in people over the age of 65 represent major public health issues because of their high frequency, their link to poor outcomes and high costs. Research has demonstrated that these two geriatric syndromes are closely related. METHODS AND RESULTS: We aim to review the evidence supporting the relationship between gait and cognitive impairment, particularly focusing on epidemiological and neuropsychological studies in patients with Mild cognitive impairment, Alzheimer's disease and Vascular dementia...
February 9, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28220718/the-big-imitator-strikes-again-a-case-report-of-neurosyphilis-in-a-patient-with-newly-diagnosed-hiv
#4
Sévérine de Bruijn, Chris Kenyon, Nicolas Léonard, Erika Vlieghe
BACKGROUND: Neurosyphilis is the result of an infection of the central nervous system caused by the spirochete Treponema pallidum. Its clinical presentation includes meningovascular syphilis, tabes dorsalis, and dementia paralytica, resulting in a wide range of symptoms such as psychosis, Parkinsonism, and depression. CASE REPORT: A 49-year-old male was admitted to a psychiatric hospital because of social withdrawal and self-neglect, indicative of a major depression...
February 21, 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28220396/evaluation-of-the-turning-characteristics-according-to-the-severity-of-parkinson-disease-during-the-timed-up-and-go-test
#5
Minji Son, Changhong Youm, Sangmyung Cheon, Jaewoo Kim, Meounggon Lee, Youkyung Kim, Jinhee Kim, Hyeryun Sung
BACKGROUND: Patients with Parkinson disease (PD) experience problems such as falls and freezing of gait during walking and turning in daily activities. However, few studies have examined the relationship between simultaneous turning tasks and the severity of PD. AIM: To investigate turning characteristics in patients with PD using three-dimensional (3D) analysis during the timed up and go (TUG) test. METHODS: Thirty individuals performed the TUG test under 3D motion analysis: 10 patients with Hoehn and Yahr (H&Y) stages 2...
February 20, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/28220261/does-a-foot-drop-implant-improve-kinetic-and-kinematic-parameters-in-the-foot-and-ankle
#6
Kiriakos Daniilidis, Eike Jakubowitz, Anna Thomann, Sarah Ettinger, Christina Stukenborg-Colsman, Daiwei Yao
INTRODUCTION: Unlike the drop foot therapy with ortheses, the therapeutic effect of an implantable peroneus nerve stimulator (iPNS) is not well described. IPNS is a dynamic therapy option which is placed directly to the motoric part of the peroneal nerve and evokes a dorsiflexion of the paralysed foot. This retrospective study evaluates the kinematics and kinetics in drop foot patients who were treated with an iPNS. MATERIALS AND METHODS: 18 subjects (mean age 51...
February 20, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28218374/the-spaire-technique-allows-sparing-of-the-piriformis-and-obturator-internus-in-a-modified-posterior-approach-to-the-hip
#7
Richard J Hanly, Sabrina Sokolowski, Andrew John Timperley
INTRODUCTION: The Sparing Piriformis and Internus, Repair Externus (SPAIRE) technique allows a muscle sparing mini-posterior approach to the hip. METHOD: We present in this article a description of an adaptation of the familiar posterior approach (PA) in which the only tendon released is obturator externus. Termed SPAIRE, this muscle sparing technique enables preservation of the piriformis tendon and conjoint insertion of obturator internus and the gemelli. The technical description allows for safe and reliable replication by any surgeon familiar with the posterior approach (PA) to the hip without reliance on additional equipment, and without compromising the ability to convert into a more extensile approach...
February 8, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28218021/a-systematic-review-of-mechanisms-of-gait-speed-change-post-stroke-part-2-exercise-capacity-muscle-activation-kinetics-and-kinematics
#8
Elizabeth C Wonsetler, Mark G Bowden
BACKGROUND: Regaining locomotor ability is a primary goal in stroke rehabilitation and is most commonly measured using changes in self-selected walking speed. However, walking speed cannot identify the mechanisms by which an individual recovers. Laboratory-based mechanistic measures such as exercise capacity, muscle activation, force production, and movement analysis variables may better explain neurologic recovery. OBJECTIVES: The objectives of this systematic review are to examine changes in mechanistic gait outcomes and describe motor recovery as quantified by changes in laboratory-based mechanistic variables in rehabilitation trials...
February 20, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28212078/demographic-analysis-from-biometric-data-achievements-challenges-and-new-frontiers
#9
Yunlian Sun, Man Zhang, Zhenan Sun, Tieniu Tan
Biometrics is the technique of automatically recognizing individuals based on their biological or behavioral characteristics. Various biometric traits have been introduced and widely investigated, including fingerprint, iris, face, voice, palmprint, gait and so forth. Apart from identity, biometric data may convey various other personal information, covering affect, age, gender, race, accent, handedness, height, weight, etc. Among these, analysis of demographics (age, gender, and race) has received tremendous attention owing to its wide realworld applications, with significant efforts devoted and great progress achieved...
February 14, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28210050/a-study-of-the-relationships-of-changes-in-pain-and-gait-after-tourniquet-induced-ischemia-reperfusion-in-rats
#10
Kazuki Aihara, Takeya Ono, Namiko Umei, Wakako Tsumiyama, Atsushi Tasaka, Hideki Ishikura, Yuta Sato, Tomohiro Matsumoto, Sadaaki Oki
[Purpose] The purpose of this study was to determine the relationships of changes in pain and gait after ischemia reperfusion was induced by tourniquet in rats. [Subjects and Methods] The subjects were six ten-week-old male Wistar rats. Ischemia was induced in the left lower limbs of the experimental rats at a pressure of 300 mmHg for 90 minutes. Pain behavior evaluations were measured using the von Frey test in all the rats' hind limbs. A consistently increasing plantar stimulus was applied until the rats exhibited an escape behavior...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28210045/a-kinematic-analysis-of-the-lower-limb-with-regard-to-restricted-spinal-motion-during-gait
#11
Hyeon-Nam Song, Young Mi Kim, Kyoung Kim
[Purpose] The purpose of this study was to investigate the effect of restricted spinal motion on kinematic changes in the lower extremities using a rigid thoracolumbosacral orthosis. [Subjects and Methods] Forty healthy males in their 20s were selected as the sample, which was randomly and evenly divided into two groups: (1) the WT group (with a thoracolumbosacral orthosis) and (2) the WOT group (without a thoracolumbosacral orthosis). The spinal orthosis used in this study was a thoracolumbosacral orthosis called a plastic body jacket...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28209345/multiobjective-optimization-of-cartilage-stress-for-non-invasive-patient-specific-recommendations-of-high-tibial-osteotomy-correction-angle-a-novel-method-to-investigate-alignment-correction
#12
Keke Zheng, Corey J Scholes, Junning Chen, David Parker, Qing Li
Medial opening wedge high tibial osteotomy (MOWHTO) is a surgical procedure to treat knee osteoarthritis associated with varus deformity. However, the ideal final alignment of the Hip-Knee-Ankle (HKA) angle in the frontal plane, that maximizes procedural success and post-operative knee function, remains controversial. Therefore, the purpose of this study was to introduce a subject-specific modeling procedure in determining the biomechanical effects of MOWHTO alignment on tibiofemoral cartilage stress distribution...
February 13, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28208707/gaitkeeper-a-system-for-measuring-canine-gait
#13
Cassim Ladha, Jack O'Sullivan, Zoe Belshaw, Lucy Asher
It is understood gait has the potential to be used as a window into neurodegenerative disorders, identify markers of subclinical pathology, inform diagnostic algorithms of disease progression and measure the efficacy of interventions. Dogs' gaits are frequently assessed in a veterinary setting to detect signs of lameness. Despite this, a reliable, affordable and objective method to assess lameness in dogs is lacking. Most described canine lameness assessments are subjective, unvalidated and at high risk of bias...
February 8, 2017: Sensors
https://www.readbyqxmd.com/read/28208591/fusion-of-inertial-magnetic-sensor-measurements-and-map-information-for-pedestrian-tracking
#14
Shu-Di Bao, Xiao-Li Meng, Wendong Xiao, Zhi-Qiang Zhang
The wearable inertial/magnetic sensor based human motion analysis plays an important role in many biomedical applications, such as physical therapy, gait analysis and rehabilitation. One of the main challenges for the lower body bio-motion analysis is how to reliably provide position estimations of human subject during walking. In this paper, we propose a particle filter based human position estimation method using a foot-mounted inertial and magnetic sensor module, which not only uses the traditional zero velocity update (ZUPT), but also applies map information to further correct the acceleration double integration drift and thus improve estimation accuracy...
February 10, 2017: Sensors
https://www.readbyqxmd.com/read/28207403/predictive-walking-age-health-analyzer
#15
Priyanka Mandal, Krishna Tank, Tapas Monday, Chih-Hung Chen, M Jamal Deen
A simple, low-power and wearable health analyzer for early identification and management of some diseases is presented. To achieve this goal, we propose a walking pattern analysis system that uses features such as speed, energy, turn ratio, and bipedal behavior to characterize and classify individuals in distinct walking-ages. A database is constructed from 74 healthy young adults in the age range of 18 to 60 years using the combination of inertial signals from an accelerometer and a gyroscope on a level path including turns...
February 9, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28207317/effects-of-sensor-position-on-kinematic-data-obtained-with-an-inertial-sensor-system-during-gait-analysis-of-trotting-horses
#16
Valerie J Moorman, David D Frisbie, Christopher E Kawcak, C Wayne McIlwraith
OBJECTIVE To determine the effects of altering location of right forelimb and pelvic sensors on kinematic data obtained with a commonly used inertial sensor system during gait analysis of trotting horses. DESIGN Experimental study. ANIMALS 12 horses with mild to moderate lameness of at least 1 hind limb, with or without lameness of the forelimbs. PROCEDURES All horses were examined while trotting on a high-speed treadmill. The right forelimb sensor was tested at 3 anatomic locations in random order: dorsal midline and 2 cm medial and lateral to that midline...
March 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28205055/effectiveness-of-calcifediol-in-improving-muscle-function-in-post-menopausal-women-a-prospective-cohort-study
#17
Giovanni Iolascon, Antimo Moretti, Alessandro de Sire, Dario Calafiore, Francesca Gimigliano
INTRODUCTION: The role of vitamin D supplementation on muscle function and physical performance is still debated. Calcifediol is an available treatment for hypovitaminosis D, particularly for extra-skeletal effects. Aim of this prospective cohort study was to evaluate the effectiveness of calcifediol on serum levels of 25(OH)D3, appendicular muscle strength, physical performance, and prevention of falls in post-menopausal women. METHODS: We recruited post-menopausal women aged ≥50 years, referring to an outpatient service for the management of osteoporosis over a 18-month period...
February 15, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28197085/anodal-transcranial-direct-current-stimulation-does-not-facilitate-dynamic-balance-task-learning-in-healthy-old-adults
#18
Elisabeth Kaminski, Maike Hoff, Viola Rjosk, Christopher J Steele, Christopher Gundlach, Bernhard Sehm, Arno Villringer, Patrick Ragert
Older adults frequently experience a decrease in balance control that leads to increased numbers of falls, injuries and hospitalization. Therefore, evaluating older adults' ability to maintain balance and examining new approaches to counteract age-related decline in balance control is of great importance for fall prevention and healthy aging. Non-invasive brain stimulation techniques such as transcranial direct current stimulation (tDCS) have been shown to beneficially influence motor behavior and motor learning...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28196453/near-infrared-spectroscopy-in-gait-disorders
#19
Vera Gramigna, Giovanni Pellegrino, Antonio Cerasa, Simone Cutini, Roberta Vasta, Giuseppe Olivadese, Iolanda Martino, Aldo Quattrone
Walking is a complex motor behavior with a special relevance in clinical neurology. Many neurological diseases, such as Parkinson's disease and stroke, are characterized by gait disorders whose neurofunctional correlates are poorly investigated. Indeed, the analysis of real walking with the standard neuroimaging techniques poses strong challenges, and only a few studies on motor imagery or walking observation have been performed so far. Functional near-infrared spectroscopy (fNIRS) is becoming an important research tool to assess functional activity in neurological populations or for special tasks, such as walking, because it allows investigating brain hemodynamic activity in an ecological setting, without strong immobility constraints...
January 1, 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28195978/lack-of-influence-of-muscular-performance-parameters-on-spatio-temporal-adaptations-with-increased-running-velocity
#20
Luis E Roche-Seruendo, Felipe García-Pinillos, Joana Haicaguerre, Ana V Bataller-Cervero, Víctor M Soto-Hermoso, Pedro Á Latorre-Román
This study aimed to analyse the influence of muscular performance parameters on spatio-temporal gait characteristics during running when gradually increasing speed. 51 recreationally trained male endurance runners (age: 28 ± 8 years) voluntarily participated in this study. Subjects performed a battery of jumping tests (squat jump, countermovement jump, and 20 cm drop jump), and after that, the subjects performed an incremental running test (10 to 20 km/h) on a motorized treadmill. Spatio-temporal parameters were measured using the OptoGait system...
February 8, 2017: Journal of Strength and Conditioning Research
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