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https://www.readbyqxmd.com/read/28207403/predictive-walking-age-health-analyzer
#1
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/28202383/a-randomized-controlled-trial-of-screening-risk-modification-and-physical-therapy-to-prevent-falls-among-the-elderly-recently-discharged-from-the-emergency-department-to-the-community-the-steps-to-avoid-falls-in-the-elderly-study
#2
David B Matchar, Pamela W Duncan, Christopher T C Lien, Marcus Eng Hock Ong, Mina Lee, Fei Gao, Rita Sim, Kirsten Eom
OBJECTIVE: To evaluate the effectiveness of a multifactorial, tailored program of physical therapy to reduce the occurrence of falls among a heterogeneous group of high-risk elderly Singaporeans recently discharged from the Emergency Department (ED). DESIGN: Randomized controlled trial. SETTING: Communities in Central and East regions in Singapore. PARTICIPANTS: 354 adults aged at least 65 years who were seen at ED for a fall or fall-related injuries and discharged home...
February 12, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28202037/tailored-multifactorial-intervention-to-improve-dizziness-symptoms-and-quality-of-life-balance-and-gait-in-dizziness-sufferers-aged-over-50%C3%A2-years-protocol-for-a-randomised-controlled-trial
#3
Jasmine C Menant, Americo A Migliaccio, Cameron Hicks, Joanne Lo, Daniela Meinrath, Mayna Ratanapongleka, Jessica Turner, Daina L Sturnieks, Kim Delbaere, Nickolai Titov, Catherine McVeigh, Jacqueline C T Close, Stephen R Lord
BACKGROUND: Dizziness is a frequently reported symptom in older people that can markedly impair quality of life. This manuscript presents the protocol for a randomised controlled trial, which has the main objective of determining the impact of comprehensive assessment followed by a tailored multifaceted intervention in reducing dizziness episodes and symptoms, improving associated impairments to balance and gait and enhancing quality of life in older people with self-reported significant dizziness...
February 15, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28197085/anodal-transcranial-direct-current-stimulation-does-not-facilitate-dynamic-balance-task-learning-in-healthy-old-adults
#4
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/28195986/functional-bracing-after-anterior-cruciate-ligament-reconstruction-a-systematic-review
#5
Walter R Lowe, Ryan J Warth, Elizabeth P Davis, Lane Bailey
INTRODUCTION: The purpose of this study was to evaluate the current literature on the use of functional knee braces after anterior cruciate ligament (ACL) reconstruction with respect to clinical and in vivo biomechanical data. METHODS: A systematic search of both the PubMed and Embase databases was performed to identify all studies that reported clinical and/or in vivo biomechanical results of functional bracing versus nonbracing after ACL reconstruction. Extracted data included study design, surgical reconstruction techniques, postoperative rehabilitation protocols, objective outcomes, and subjective outcomes scores...
March 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28195978/lack-of-influence-of-muscular-performance-parameters-on-spatio-temporal-adaptations-with-increased-running-velocity
#6
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
https://www.readbyqxmd.com/read/28188956/the-neural-substrate-of-gait-and-executive-function-relationship-in-elderly-women-a-pet-study
#7
Ryota Sakurai, Kenji Ishii, Masashi Yasunaga, Rumi Takeuchi, Yoh Murayama, Naoko Sakuma, Muneyuki Sakata, Keiichi Oda, Kenji Ishibashi, Kiichi Ishiwata, Yoshinori Fujiwara, Manuel Montero-Odasso
AIM: Understanding the relationship between age-related gait impairment, such as slow gait, and executive functioning in seniors may help identify individuals at higher risk of mobility decline, falls, and progression to dementia at earlier stages. We aim to identify brain regions concomitantly associated with poor gait and executive functioning in a cohort of well-functioning elderly women. METHODS: In total, 149 well-functioning women aged 70.1 ± 6.2 years underwent FDG-PET to evaluate regional cerebral metabolic rates of glucose normalized in reference to cerebellar glucose metabolic value (normalized-rCMRglc) in 16 brain areas...
February 11, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28188253/frailty-physical-activity-and-mobility-in-patients-with-cardiac-implantable-electrical-devices
#8
Daniel B Kramer, Timothy Tsai, Poorna Natarajan, Elise Tewksbury, Susan L Mitchell, Thomas G Travison
BACKGROUND: This study aimed to demonstrate the feasibility of measuring frailty in patients with cardiac implantable electrical devices while validating the physiologic significance of device-detected physical activity by evaluating its association with frailty and mobility. METHODS AND RESULTS: Outpatients with cardiac implantable electrical devices compatible with physical activity analysis with at least 7 days of data were eligible. Office testing included frailty status (Study of Osteoporotic Fractures instrument), gait speed (m/s), mobility according to the Timed Up and Go (TUG) test (seconds), and daily physical activity (h/d) as measured by cardiac implantable electrical device...
February 10, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28186914/design-and-validation-of-a-biofeedback-device-to-improve-heel-to-toe-gait-in-seniors
#9
Abhishek Vadnerkar, Sabrina Figueiredo, Nancy Mayo, Robert Kearney
A feature of healthy human walking gait is a clearly defined heel-strike at initial contact, known as heel-to-toe gait. However, a common consequence of ageing is the deterioration of this heel first gait towards a flat foot, or 'shuffling' gait. This leads to a shortened stride length, slowed gait speed, and an increased fall risk. Shuffling gait is normally treated by physiotherapy, however, therapist time is limited and training is restricted to a clinical environment. Gait rehabilitation could be expedited with the use of a device that distinguishes between heel-to-toe and shuffling gait and gives feedback to the user...
February 7, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28184193/altered-functional-performance-in-patients-with-fibromyalgia
#10
Isis da Silva Costa, Antoni Gamundí, José G Vivas Miranda, Lucas G Souza França, Charles Novaes De Santana, Pedro Montoya
Fibromyalgia is a common chronic pain condition that exerts a considerable impact on patients' daily activities and quality of life. Objectives: The main objective of the present study was to evaluate kinematic parameters of gait, functional performance, and balance in women with fibromyalgia syndrome. Methods: The study included 26 female patients with fibromyalgia (49.2 ± 8.0 years) according to the criteria of the American College of Rheumatology, as well as 16 pain-free women (43.5 ± 8.5 years). Gait and balance parameters were extracted from video recordings of participants performing several motor tasks...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28182895/validity-test-retest-reliability-sensitivity-to-change-and-feasibility-of-motor-cognitive-dual-task-assessments-in-patients-with-dementia
#11
Nele C Lemke, Stefanie Wiloth, Christian Werner, Klaus Hauer
OBJECTIVE: To investigate validity, test-retest reliability, sensitivity to change, and feasibility of dual task (DT) assessments in patients with dementia. DESIGN: Validation study. SETTING: Post ward-rehabilitation. PARTICIPANTS: Geriatric patients (n=105) with dementia (age 82.7±5.9, MMSE score 21.9). MAIN OUTCOME MEASURES: Psychometric quality of DT performance of different DT-tests. Analyses were performed for motor and cognitive performance, and relative DT costs (DTCs)...
January 30, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28171844/reliability-of-functional-and-predictive-methods-to-estimate-the-hip-joint-centre-in-human-motion-analysis-in-healthy-adults
#12
Hans Kainz, Martin Hajek, Luca Modenese, David J Saxby, David G Lloyd, Christopher P Carty
In human motion analysis predictive or functional methods are used to estimate the location of the hip joint centre (HJC). It has been shown that the Harrington regression equations (HRE) and geometric sphere fit (GSF) method are the most accurate predictive and functional methods, respectively. To date, the comparative reliability of both approaches has not been assessed. The aims of this study were to (1) compare the reliability of the HRE and the GSF methods, (2) analyse the impact of the number of thigh markers used in the GSF method on the reliability, (3) evaluate how alterations to the movements that comprise the functional trials impact HJC estimations using the GSF method, and (4) assess the influence of the initial guess in the GSF method on the HJC estimation...
January 31, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28168051/effects-of-a-twelve-week-weight-reduction-exercise-programme-on-selected-spatiotemporal-gait-parameters-of-obese-individuals
#13
Joseph A Jegede, Babatunde O A Adegoke, Oladapo M Olagbegi
Objectives. This study was carried out to investigate the effects of twelve-week weight reduction exercises on selected spatiotemporal gait parameters of obese individuals and compare with their normal weight counterparts. Methods. Sixty participants (30 obese and 30 of normal weight) started but only 58 participants (obese = 30, normal weight = 28) completed the quasi-experimental study. Only obese group had 12 weeks of weight reduction exercise training but both groups had their walking speed (WS), cadence (CD), step length (SL), step width (SW), and stride length (SDL) measured at baseline and at the end of weeks 4, 8, and 12 of the study...
2017: Journal of Obesity
https://www.readbyqxmd.com/read/28160752/motor-preparation-rather-than-decision-making-differentiates-parkinson-s-disease-patients-with-and-without-freezing-of-gait
#14
John S Butler, Conor Fearon, Isabelle Killane, Saskia M Waechter, Richard B Reilly, Timothy Lynch
OBJECTIVE: Freezing of gait (FOG) is a brief, episodic phenomenon affecting over half of people with Parkinson's disease (PD) and leads to significant morbidity. The pathophysiology of FOG remains poorly understood but is associated with deficits in cognitive function and motor preparation. METHOD: We studied 20 people with PD (10 with FOG, 10 without FOG) and performed a timed response target detection task while electroencephalographic data were acquired. We analysed the data to detect and examine cortical markers of cognitive decision making (P3b or centroparietal positivity, CPP) and motor readiness potential...
December 28, 2016: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28144820/a-preclinical-numerical-assessment-of-a-polyetheretherketone-femoral-component-in-total-knee-arthroplasty-during-gait
#15
Lennert de Ruiter, Dennis Janssen, Adam Briscoe, Nico Verdonschot
BACKGROUND: Conventional total knee replacement designs show high success rates but in the long term, the stiff metal components may affect bone quality of the distal femur. In this study we introduce an all-polymer total knee replacement device containing a PEEK femoral component on an UHMWPE tibial implant and study its mechanical integrity, fixation, and stress shielding of the periprosthetic femur. METHODS: The implant was analysed in finite element simulations of level gait, adopted from the ISO 14243-1 standard...
December 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28144406/fatigue-effect-on-linear-center-of-pressure-measures-during-gait-in-people-with-flat-feet
#16
Mohammad Ali Sanjari, Sahar Boozari, Ali Ashraf Jamshidi, Mohammad Reza Nikmaram
BACKGROUND: Flat foot, as one of the common foot deformities can affect gait biomechanics and risk of lower extremity injury. Fatigue, as a high load task, can also change biomechanical parameters of locomotion. Studying normal and flat footed individuals under high load tasks such as fatigue can elucidate their differences more easily. OBJECTIVES: In this study, center of pressure (CoP) changes were studied between individuals with flat and normal feet after fatigue...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28134332/impact-of-small-vessel-disease-in-the-brain-on-gait-and-balance
#17
Daniela Pinter, Stuart J Ritchie, Fergus Doubal, Thomas Gattringer, Zoe Morris, Mark E Bastin, Maria Del C Valdés Hernández, Natalie A Royle, Janie Corley, Susana Muñoz Maniega, Alison Pattie, David A Dickie, Julie Staals, Alan J Gow, John M Starr, Ian J Deary, Christian Enzinger, Franz Fazekas, Joanna Wardlaw
Gait and balance impairment is highly prevalent in older people. We aimed to assess whether and how single markers of small vessel disease (SVD) or a combination thereof explain gait and balance function in the elderly. We analysed 678 community-dwelling healthy subjects from the Lothian Birth Cohort 1936 at the age of 71-74 years who had undergone comprehensive risk factor assessment, gait and balance assessment as well as brain MRI. We investigated the impact of individual SVD markers (white matter hyperintensity - WMH, microbleeds, lacunes, enlarged perivascular spaces, brain atrophy) as seen on structural brain MRI and of a global SVD score on the patients' performance...
January 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28131701/relationship-between-pedometer-based-physical-activity-and-physical-function-in-patients-with-osteoarthritis-of-the-knee-a-cross-sectional-study
#18
Hirotaka Iijima, Naoto Fukutani, Takuya Isho, Yuko Yamamoto, Masakazu Hiraoka, Kazuyuki Miyanobu, Masashi Jinnouchi, Eishi Kaneda, Tomoki Aoyama, Hiroshi Kuroki, Shuichi Matsuda
OBJECTIVE: To examine the association between pedometer-based ambulatory physical activity (PA) and physical function in patients with knee osteoarthritis (OA). DESIGN: Cross-sectional observational study. SETTING: Institutional practice. PARTICIPANTS: Participants in orthopaedic clinics (n = 207; age, 56-90 years; 71.5% female) diagnosed with radiographic knee OA (Kellgren/Lawrence [K/L] grade ≥1). INTERVENTIONS: Not applicable...
January 25, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28129741/life-space-and-movement-behavior-in-nursing-home-residents-results-of-a-new-sensor-based-assessment-and-associated-factors
#19
Carl-Philipp Jansen, Mona Diegelmann, Eva-Luisa Schnabel, Hans-Werner Wahl, Klaus Hauer
BACKGROUND: Studies on life-space (LS) and its determinants have previously been limited to community-dwelling subjects but are lacking in institutionalized older persons. The purpose of this study was to provide an advanced descriptive analysis of LS in nursing home residents and to identify associated factors based on an established theoretical framework, using an objective, sensor-based assessment with a high spatiotemporal resolution. METHODS: Cross-sectional study in two nursing homes in Heidelberg, Germany (n = 65; mean age: 82...
January 28, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28125298/a-systematic-review-of-study-results-reported-for-the-evaluation-of-robotic-rollators-from-the-perspective-of-users
#20
Christian Werner, Phoebe Ullrich, Milad Geravand, Angelika Peer, Jürgen M Bauer, Klaus Hauer
PURPOSE: To evaluate the effectiveness and perception of robotic rollators (RRs) from the perspective of users. METHODS: Studies identified in a previous systematic review published on 2016 on the methodology of studies evaluating RRs by the user perspective were re-screened for eligibility based on the following inclusion criteria: evaluation of the human-robot interaction from the user perspective, use of standardized outcome measurements, and quantitative presentation of study results...
January 26, 2017: Disability and Rehabilitation. Assistive Technology
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