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https://www.readbyqxmd.com/read/28433867/validity-and-repeatability-of-inertial-measurement-units-for-measuring-gait-parameters
#1
Edward P Washabaugh, Tarun Kalyanaraman, Peter G Adamczyk, Edward S Claflin, Chandramouli Krishnan
Inertial measurement units (IMUs) are small wearable sensors that have tremendous potential to be applied to clinical gait analysis. They allow objective evaluation of gait and movement disorders outside the clinic and research laboratory, and permit evaluation on large numbers of steps. However, repeatability and validity data of these systems are sparse for gait metrics. The purpose of this study was to determine the validity and between-day repeatability of spatiotemporal metrics (gait speed, stance percent, swing percent, gait cycle time, stride length, cadence, and step duration) as measured with the APDM Opal IMUs and Mobility Lab system...
April 12, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28432883/sagittal-plane-joint-kinetics-during-stair-ascent-in-patients-with-peripheral-arterial-disease-and-intermittent-claudication
#2
Stephanie L King, Natalie Vanicek, Thomas D O'Brien
Stair negotiation poses a substantial physical demand on the musculoskeletal system and this challenging task can place individuals at risk of falls. Peripheral arterial disease (PAD) can cause intermittent claudication (IC) pain in the calf and results in altered gait mechanics during level walking. However, whether those with PAD-IC adopt alternate strategies to climb stairs is unknown. Twelve participants with PAD-IC (six bilateral and six unilateral) and 10 healthy controls were recruited and instructed to ascend a five-step staircase whilst 3D kinematic data of the lower-limbs were recorded synchronously with kinetic data from force plates embedded into the staircase on steps two and three...
March 28, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28431912/osteosarcopenic-obesity-prevalence-and-relation-with-frailty-and-physical-performance-in-middle-aged-and-older-women
#3
Claudia Szlejf, Lorena Parra-Rodríguez, Oscar Rosas-Carrasco
OBJECTIVES: The aims of this study were to determine the prevalence of osteosarcopenic obesity (OSO) and to investigate its association with frailty and physical performance in Mexican community-dwelling middle-aged and older women. DESIGN: Cross-sectional analysis of a prospective cohort. SETTING: The FraDySMex study, a 2-round evaluation of community-dwelling adults from 2 municipalities in Mexico City. PARTICIPANTS: Participants were 434 women aged 50 years or older, living in the designated area in Mexico City...
April 18, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28430704/functional-effects-of-treadmill-based-gait-training-at-faster-speeds-in-stroke-survivors-a-prospective-single-group-study
#4
Roghayeh Mohammadi, Navid Ershad, Marziyeh Rezayinejad, Elham Fatemi, Chetan P Phadke
To examine the functional effects of walking retraining at faster than self-selected speed (SSS). Ten individuals with chronic stroke participated in a 4-week training over a treadmill at walking speeds 40% faster than SSS, three times per week, 30 min/session. Outcome measures assessed before, after, and 2 months after the end of intervention were the Timed Up and Go, the 6-Minute Walk, the 10-Meter Walk test, the Modified Ashworth Scale, SSS, and fastest comfortable speed. After 4 weeks of training, all outcome measures showed clinically meaningful and statistically significant improvements (P<0...
April 20, 2017: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/28427925/effect-of-home-and-community-based-physical-activity-interventions-on-physical-function-among-cancer-survivors-a-systematic-review-and-meta-analysis
#5
REVIEW
Maria C Swartz, Zakkoyya H Lewis, Elizabeth J Lyons, Kristofer Jennings, Addie Middleton, Rachel R Deer, Demi Arnold, Kaitlin Dresser, Kenneth J Ottenbacher, James S Goodwin
OBJECTIVE: We reviewed randomized trials to examine the effect of home and community-based physical activity interventions on physical functioning among cancer survivors based on the most prevalent physical function measures. DATA SOURCES: Five electronic databases-Medline Ovid, Pubmed, CINAHL, Web of Science, and PsychINFO-were searched from inception to March 2016 for relevant articles. STUDY SELECTION: Search terms included: community-based interventions, physical functioning, and cancer survivors...
April 17, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28427700/effects-of-functional-electrical-stimulation-on-gait-in-people-with-multiple-sclerosis-a-systematic-review
#6
REVIEW
Shmuel Springer, Sam Khamis
BACKGROUND: Functional electrical stimulation (FES) is commonly used to ameliorate gait deficits in patients with multiple sclerosis (PwMS). This review critically evaluates the literature describing the orthotic and therapeutic effects of FES on gait in PwMS. METHODS: The PubMed, CINAHL, and ProQuest databases were searched. Included were studies that evaluated therapeutic and/or orthotic effects of FES in PwMS with at least one outcome measure related to gait...
April 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28427422/differences-in-muscle-activity-and-temporal-step-parameters-between-lokomat-guided-walking-and-treadmill-walking-in-post-stroke-hemiparetic-patients-and-healthy-walkers
#7
Klaske van Kammen, Anne M Boonstra, Lucas H V van der Woude, Heleen A Reinders-Messelink, Rob den Otter
BACKGROUND: The Lokomat is a robotic exoskeleton that can be used to train gait function in hemiparetic stroke. To purposefully employ the Lokomat for training, it is important to understand (1) how Lokomat guided walking affects muscle activity following stroke and how these effects differ between patients and healthy walkers, (2) how abnormalities in the muscle activity of patients are modulated through Lokomat guided gait, and (3) how temporal step characteristics of patients were modulated during Lokomat guided walking...
April 20, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28424026/walking-ability-following-hybrid-assistive-limb-treatment-for-a-patient-with-chronic-myelopathy-after-surgery-for-cervical-ossification-of-the-posterior-longitudinal-ligament
#8
Shigeki Kubota, Tetsuya Abe, Hideki Kadone, Kengo Fujii, Yukiyo Shimizu, Aiki Marushima, Tomoyuki Ueno, Hiroaki Kawamoto, Yasushi Hada, Akira Matsumura, Yoshiyuki Sankai, Masashi Yamazaki
CONTEXT: The hybrid assistive limb (HAL) (the wearable robot) can assist kinesis during voluntary control of hip and knee joint motion by detecting the wearer's bioelectric signals on the surface of their skin. The purpose of this study was to report on walking ability following the wearable robot treatment in a patient with chronic myelopathy after surgery for cervical ossification of the posterior longitudinal ligament (OPLL). FINDINGS: The patient was a 66-year-old woman with cervical OPLL who was able to ambulate independently with the aid of bilateral crutches...
April 20, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28422306/development-of-a-novel-frailty-index-to-predict-mortality-in-patients-with-end-stage-liver-disease
#9
Jennifer C Lai, Kenneth E Covinsky, Jennifer L Dodge, W John Boscardin, Dorry L Segev, John P Roberts, Sandy Feng
BACKGROUND: Cirrhosis is characterized by muscle wasting, malnutrition, and functional decline that confer excess mortality not well quantified by the MELDNa score. We aimed to develop a frailty index to capture these extrahepatic complications of cirrhosis and enhance mortality prediction in cirrhotics. METHODS: Consecutive outpatients listed for LT at a single transplant center without MELD exceptions were assessed with candidate frailty measures. Best subset selection analyses with Cox regression identified subsets of frailty measures that predicted waitlist mortality (=death or delisting due to sickness)...
April 19, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28420385/frontotemporal-dementia-as-a-comorbidity-to-idiopathic-normal-pressure-hydrocephalus-inph-a-short-review-of-literature-and-an-unusual-case
#10
V E Korhonen, E Solje, N M Suhonen, T Rauramaa, R Vanninen, A M Remes, V Leinonen
Behavioural variant frontotemporal dementia (bvFTD) and idiopathic normal pressure hydrocephalus (iNPH) are neurodegenerative diseases that can present with similar symptoms. These include decline in executive functions, psychomotor slowness, and behavioural and personality changes. Ventricular enlargement is a key radiological finding in iNPH that may also be present in bvFTD caused by the C9ORF72 expansion mutation. Due to this, bvFTD has been hypothesized as a potential comorbidity to iNPH but bvFTD patients have never been identified in studies focusing in clinical comorbidities with iNPH...
April 19, 2017: Fluids and Barriers of the CNS
https://www.readbyqxmd.com/read/28416824/-gait-analysis-at-the-early-stage-after-direct-anterior-approach-in-total-hip-arthroplasty
#11
H Y Wang, P D Kang, Y Nie, H Y Zhao, Z Y Yang, F X Pei
OBJECTIVE: To evaluate the result of operation and gait analysis at the early stage after direct anterior approach (DAA) in total hip arthroplasty (THA). METHODS: In this study, 20 patients who suffered from necrosis of femoral head or developmental dysplasia of the hip were scheduled to undergo THA. The basic information and visual analogue scale (VAS) score, Harris score before and after surgery were recorded. All of the patients finished the gait analysis before the surgery and 6 weeks and 12 weeks after the surgery, the data were compared with those of normal adult people...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28414497/dual-tasking-in-parkinson-s-disease-cognitive-consequences-while-walking
#12
Robert D Salazar, Xiaolin Ren, Terry D Ellis, Noor Toraif, Olivier J Barthelemy, Sandy Neargarder, Alice Cronin-Golomb
OBJECTIVE: Cognitive deficits are common in Parkinson's disease (PD) and exacerbate the functional limitations imposed by PD's hallmark motor symptoms, including impairments in walking. Though much research has addressed the effect of dual cognitive-locomotor tasks on walking, less is known about their effect on cognition. The purpose of this study was to investigate the relation between gait and executive function, with the hypothesis that dual tasking would exacerbate cognitive vulnerabilities in PD as well as being associated with gait disturbances...
April 17, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28413999/improving-sensitivity-to-detect-mild-cognitive-impairment-cognitive-load-dual-task-gait-speed-assessment
#13
Rebecca K MacAulay, Mark T Wagner, Dana Szeles, Nicholas J Milano
OBJECTIVES: Longitudinal research indicates that cognitive load dual-task gait assessment is predictive of cognitive decline and thus might provide a sensitive measure to screen for mild cognitive impairment (MCI). However, research among older adults being clinically evaluated for cognitive concerns, a defining feature of MCI, is lacking. The present study investigated the effect of performing a cognitive task on normal walking speed in patients presenting to a memory clinic with cognitive complaints...
April 17, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28412603/impairments-of-balance-stepping-reactions-and-gait-in-people-with-cervical-dystonia
#14
Christopher Barr, Rhiannon Barnard, Lauren Edwards, Sheila Lennon, Lynley Bradnam
BACKGROUND: Impaired balance is common in neurological disorders. Cervical dystonia is a neurological movement disorder affecting the neck. The effect of this aberrant head posture on physical function is unknown. OBJECTIVES: To compare balance, mobility, gait and stepping reactions between ten people with cervical dystonia and ten control adults. METHODS: Spatiotemporal gait parameters and walking speed were assessed using a computerised walkway...
April 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28411958/effects-of-step-length-and-step-frequency-on-lower-limb-muscle-function-in-human-gait
#15
Yoong Ping Lim, Yi-Chung Lin, Marcus G Pandy
The aim of this study was to quantify the effects of step length and step frequency on lower-limb muscle function in walking. Three-dimensional gait data were used in conjunction with musculoskeletal modeling techniques to evaluate muscle function over a range of walking speeds using prescribed combinations of step length and step frequency. The body was modeled as a 10-segment, 21-degree-of-freedom skeleton actuated by 54 muscle-tendon units. Lower-limb muscle forces were calculated using inverse dynamics and static optimization...
March 21, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28411741/required-friction-during-overground-walking-is-lower-among-obese-compared-to-non-obese-older-men-but-does-not-differ-with-obesity-among-women
#16
Sara L Arena, Christina R Garman, Maury A Nussbaum, Michael L Madigan
Obesity and aging have been independently associated with altered required friction during walking, but it is unclear how these factors interact to influence the likelihood of slipping. Therefore, the purpose of this study was to determine whether there are differences related to obesity and aging on required friction during overground walking. Fourteen older non-obese, 11 older obese, 20 younger non-obese, and 20 younger obese adults completed walking trials at both a self-selected and hurried speed. When walking at a hurried speed, older obese men walked at a slower gait speed and exhibited lower frictional demands compared both to older non-obese men and to younger obese men...
July 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28411349/effect-of-low-appendicular-lean-mass-grip-strength-and-gait-speed-on-the-functional-outcome-after-surgery-for-distal-radius-fractures
#17
Young Hak Roh, Jung Ho Noh, Hyun Sik Gong, Goo Hyun Baek
Patients with low appendicular lean mass plus slow gait speed or weak grip strength are at risk for poor functional recovery after surgery for distal radius fracture, even when they have similar radiologic outcomes. INTRODUCTION: Loss of skeletal muscle mass and consequent loss in muscle function associate with aging, and this condition negatively impacts the activities of daily living and increases elderly individuals' frailty to falls. Thus, patients with low appendicular lean mass would show different functional recovery compared to those without this condition after surgery for distal radius fracture (DRF)...
December 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28411094/association-of-social-frailty-with-both-cognitive-and-physical-deficits-among-older-people
#18
Kota Tsutsumimoto, Takehiko Doi, Hyuma Makizako, Ryo Hotta, Sho Nakakubo, Keitaro Makino, Takao Suzuki, Hiroyuki Shimada
OBJECTIVES: Our objective was to investigate the association between social frailty and cognitive and physical function among older adults. DESIGN: This was a cross-sectional study. SETTING: We examined community-dwelling adults in Japan. PARTICIPANTS: Participants comprised 4425 older Japanese people from the National Center for Geriatrics and Gerontology-Study of Geriatric Syndromes. MEASUREMENTS: Social frailty was defined by using responses to 5 questions (going out less frequently, rarely visiting friends, feeling unhelpful to friends or family, living alone, and not talking with someone every day)...
April 11, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28410857/measuring-participant-effort-in-a-depression-prevention-trial-who-engages-in-problem-solving-therapy
#19
Sarah T Stahl, Steven M Albert, Mary Amanda Dew, Stewart Anderson, Jordan F Karp, Ariel G Gildengers, Meryl A Butters, Charles F Reynolds
OBJECTIVE: To determine the acceptability of clinical interventions for depression prevention, identification of clinical characteristics associated with intervention engagement is needed. The purpose of this study is to describe levels and correlates of participant engagement in Problem Solving Therapy (PST) in adults 60 and older with subthreshold depression. METHODS: As part of a clinical trial to prevent depression among older adults with subthreshold depression, participants who were randomized to receive PST completed 6-8 sessions in which they learned skills to solve self-selected problems that were contributing to stress and reduced quality of life...
March 14, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28410535/spinal-kinematics-during-gait-in-healthy-individuals-across-different-age-groups
#20
Stefan Schmid, Björn Bruhin, Dominika Ignasiak, Jacqueline Romkes, William R Taylor, Stephen J Ferguson, Reinald Brunner, Silvio Lorenzetti
Most studies investigating trunk kinematics have not provided adequate quantification of spinal motion, resulting in a limited understanding of the healthy spine's biomechanical behavior during gait. This study aimed at assessing spinal motion during gait in adolescents, adults and older individuals. Fourteen adolescents (10-18years), 13 adults (19-35years) and 15 older individuals (≥65years) were included. Using a previously validated enhanced optical motion capture approach, sagittal and frontal plane spinal curvature angles and general trunk kinematics were measured during shod walking at a self-selected normal speed...
April 11, 2017: Human Movement Science
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