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https://www.readbyqxmd.com/read/28212078/demographic-analysis-from-biometric-data-achievements-challenges-and-new-frontiers
#1
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/28211827/association-between-gait-variability-falls-and-mobility-in-people-with-multiple-sclerosis-a-specific-observation-on-the-edss-4-0-4-5-level
#2
Alon Kalron
BACKGROUND: We previously demonstrated that gait variability increases throughout the disease process in people with multiple sclerosis (PwMS). While gait variability tends to remain steady in the lower levels of disability, a significant increase occurs once patients reach the moderate neurological level. OBJECTIVE: To examine the relationship between variability of major spatio-temporal parameters of gait and falls, in PwMS with an expanded disability status scale score of 4...
February 13, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28211822/robot-assisted-end-effector-based-gait-training-in-chronic-stroke-patients-a%C3%A2-multicentric-uncontrolled-observational-retrospective-clinical-study
#3
Stefano Mazzoleni, Antonella Focacci, Marco Franceschini, Andreas Waldner, Chiara Spagnuolo, Elena Battini, Donatella Bonaiuti
BACKGROUND: Until now studies report inconclusive results as regards the effectiveness of exclusive use of robot-assisted training and clinical indications in stroke patients. OBJECTIVE: To evaluate if the only robot-assisted end-effector-based gait training can be feasible in chronic stroke subjects in terms of gait recovery. METHODS: Five rehabilitation centers participated and one hundred chronic post-stroke patients were recruited. Patients underwent a robot-assisted end-effector-based gait training as only rehabilitation treatment...
February 15, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28211821/progressive-intervention-strategy-for-the-gait-of-sub-acute-stroke-patient-using-the-international-classification-of-functioning-disability-and-health-tool
#4
Tae-Woo Kang, Heon-Seok Cynn
BACKGROUND: The International Classification of Functioning, Disability, and Health (ICF) provides models for functions and disabilities. The ICF is presented as a frame that enables organizing physical therapists' clinical practice for application. OBJECTIVE: The purpose of the present study was to describe processes through which stroke patients are assessed and treated based on the ICF model. METHODS: The patient was a 65-year-old female diagnosed with right cerebral artery infarction with left hemiparesis...
February 15, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28211509/climbing-favours-the-tripod-gait-over-alternative-faster-insect-gaits
#5
Pavan Ramdya, Robin Thandiackal, Raphael Cherney, Thibault Asselborn, Richard Benton, Auke Jan Ijspeert, Dario Floreano
To escape danger or catch prey, running vertebrates rely on dynamic gaits with minimal ground contact. By contrast, most insects use a tripod gait that maintains at least three legs on the ground at any given time. One prevailing hypothesis for this difference in fast locomotor strategies is that tripod locomotion allows insects to rapidly navigate three-dimensional terrain. To test this, we computationally discovered fast locomotor gaits for a model based on Drosophila melanogaster. Indeed, the tripod gait emerges to the exclusion of many other possible gaits when optimizing fast upward climbing with leg adhesion...
February 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28210640/muscle-weakness-a-misleading-presentation-in-children-with-distinctive-syndromic-entities-clinical-case-reports
#6
Ali Al Kaissi, Sergey Ryabykh, Polina Ochirova, Vladimir Kenis, Jochen G Hofstätter, Franz Grill, Rudolf Ganger, Susanne Gerit Kircher
Marked ligamentous hyperlaxity and muscle weakness/wasting associated with awkward gait are the main deficits confused with the diagnosis of myopathy. Seven children (6 boys and 1 girl with an average age of 8 years) were referred to our department because of diverse forms of skeletal abnormalities. No definitive diagnosis was made, and all underwent a series of sophisticated investigations in other institutes in favor of myopathy. We applied our methodology through the clinical and radiographic phenotypes followed by targeted genotypic confirmation...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28210057/a-comparison-of-the-balance-and-gait-function-between-children-with-down-syndrome-and-typically-developing-children
#7
Hee-Kyoung Jung, EunJung Chung, Byoung-Hee Lee
[Purpose] The purpose of this study was to compare the balance and gait functions of children with Down syndrome and typically developing children according to age. [Subjects and Methods] The subjects were 16 children with Down syndrome and 20 children with typical development. The one leg standing test, Romberg's test (open eyes/closed eyes), sharpened Romberg's (open eyes/closed eyes), functional reaching test and GAITRite were used for this study in order to measure the children's balance and gait function...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28210050/a-study-of-the-relationships-of-changes-in-pain-and-gait-after-tourniquet-induced-ischemia-reperfusion-in-rats
#8
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/28210049/the-immediate-effect-of-neuromuscular-joint-facilitation-on-the-rotation-of-the-tibia-during-walking
#9
Desheng Li, Qiuchen Huang, Ming Huo, Yukinobu Hiiragi, Hitoshi Maruyama
[Purpose] The aim of this study was to investigate the change in tibial rotation during walking among young adults after neuromuscular joint facilitation therapy. [Subjects and Methods] The subjects were twelve healthy young people (6 males, 6 females). A neuromuscular joint facilitation intervention and nonintervention were performed. The interventions were performed one after the other, separated by a 1-week interval. The order of the interventions was completely randomized. The rotation of the tibia during walking was evaluated before and after treatment...
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
#10
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/28210041/underwater-treadmill-training-and-gait-ability-in-the-normal-adult
#11
Myoung-Kwon Kim, Si-A Lee
[Purpose] Our working hypothesis is that underwater treadmill training improves normal people's gait ability. [Subjects and Methods] Twenty-five healthy subjects with no orthopedic history of lower extremity were recruited. Gait training is performed using an underwater treadmill (HydroTrack(®) Underwater Treadmill System, Conray, Inc., Phoenix, AZ, USA), for twenty minutes per session, five sessions a week for four weeks. The water temperature was set at about 33 °C and the depth was fixed to reach between the subjects' xiphoid process and the navel...
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/28208604/reducing-fall-risk-with-combined-motor-and-cognitive-training-in-elderly-fallers
#14
Francesco Barban, Roberta Annicchiarico, Matteo Melideo, Alessia Federici, Maria Giovanna Lombardi, Simone Giuli, Claudia Ricci, Fulvia Adriano, Ivo Griffini, Manuel Silvestri, Massimo Chiusso, Sergio Neglia, Sergio Ariño-Blasco, Raquel Cuevas Perez, Yannis Dionyssiotis, Georgios Koumanakos, Milo Kovačeić, Nuria Montero-Fernández, Oscar Pino, Niels Boye, Ulises Cortés, Cristian Barrué, Atia Cortés, Peter Levene, Stelios Pantelopoulos, Roberto Rosso, José Antonio Serra-Rexach, Angelo Maria Sabatini, Carlo Caltagirone
BACKGROUND: Falling is a major clinical problem in elderly people, demanding effective solutions. At present, the only effective intervention is motor training of balance and strength. Executive function-based training (EFt) might be effective at preventing falls according to evidence showing a relationship between executive functions and gait abnormalities. The aim was to assess the effectiveness of a motor and a cognitive treatment developed within the EU co-funded project I-DONT-FALL...
February 10, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28208591/fusion-of-inertial-magnetic-sensor-measurements-and-map-information-for-pedestrian-tracking
#15
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/28208099/the-impact-of-walking-while-using-a-smartphone-on-pedestrians-awareness-of-roadside-events
#16
Ming-I Brandon Lin, Yu-Ping Huang
Previous studies have shown that using a cell phone to talk or text while walking changes gait kinematics and encourages risky street-crossing behaviors. However, less is known about how the motor-cognitive interference imposed by smartphone tasks affects pedestrians' situational awareness to environmental targets relevant to pedestrian safety. This study systematically investigated the influence of smartphone use on detection of and responses to a variety of roadside events in a semi-virtual walking environment...
February 13, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28207403/predictive-walking-age-health-analyzer
#17
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
#18
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
#19
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/28204796/time-discrete-vibrotactile-feedback-contributes-to-improved-gait-symmetry-in-patients-with-lower-limb-amputations-case-series
#20
Simona Crea, Benoni B Edin, Kristel Knaepen, Romain Meeusen, Nicola Vitiello
No abstract text is available yet for this article.
February 1, 2017: Physical Therapy
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