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https://www.readbyqxmd.com/read/28329377/time-to-refocus-assessment-of-vision-in-older-adults-contrast-sensitivity-but-not-visual-acuity-is-associated-with-gait-in-older-adults
#1
Eoin Duggan, Orna Donoghue, Rose Anne Kenny, Hilary Cronin, James Loughman, Ciarán Finucane
Background: The relationship between measures of visual function and gait related risk factors for falls is unclear. In this study, we examine the relationship between visual function (visual acuity [VA] and contrast sensitivity [CS] at multiple spatial frequencies) and quantitative spatiotemporal gait, using a large, nationally representative sample of community dwelling older adults. Methods: Participants aged 50 and over were recruited as part of The Irish Longitudinal Study on Ageing (TILDA)...
February 28, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28328565/control-of-walking-speed-in-children-with-cerebral-palsy
#2
Jon R Davids, Nina Q Cung, Suzy Chen, Mitell Sison-Williamson, Anita M Bagley
BACKGROUND: Children's ability to control the speed of gait is important for a wide range of activities. It is thought that the ability to increase the speed of gait for children with cerebral palsy (CP) is common. This study considered 3 hypotheses: (1) most ambulatory children with CP can increase gait speed, (2) the characteristics of free (self-selected) and fast walking are related to motor impairment level, and (3) the strategies used to increase gait speed are distinct among these levels...
March 21, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28324993/dynamic-knee-muscle-co-contraction-quantified-during-walking
#3
Annachiara Strazza, Alessandro Mengarelli, Valentina Agostini, Marco Knaflitz, Laura Burattini, Sandro Fioretti, Francesco Di Nardo
The purpose of the present study was the quantification of the co-activation patterns of the knee extensor and flexor muscles during walking at self-selected speed and cadence. To this aim, the Statistical Gait Analysis, a recent methodology providing a statistical characterization of gait, was performed on surface EMG signals from Vastus Lateralis (VL) and Medial Hamstrings (MH) in 14 healthy young adult subjects. Muscular co-contraction was assessed as the overlapping period between activation intervals of agonist and antagonist muscles...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28306641/a-kinematic-symmetry-index-of-gait-pattern-between-older-adults-with-and-without-low-back-pain
#4
Paul S Sung, Pamela Danial
STUDY DESIGN: Cross-sectional study. OBJECTIVE: To investigate the symmetry index for limb support patterns in right limb dominant older adults with and without low back pain (LBP). SUMMARY OF BACKGROUND DATA: The effects of bilateral asymmetry on gait performance were reported; however, there is a lack of understanding on kinematic symmetry to assess subjects with LBP. This asymmetry might be related to increased compensatory patterns to the dominant side in subjects with LBP...
March 16, 2017: Spine
https://www.readbyqxmd.com/read/28293444/association-of-gait-characteristics-and-depression-in-patients-with-parkinson-s-disease-assessed-in-goal-directed-locomotion-task
#5
Péter Kincses, Norbert Kovács, Kázmér Karádi, Ádám Feldmann, Krisztina Dorn, Zsuzsanna Aschermann, Sámuel Komoly, Tibor Szolcsányi, Árpád Csathó, János Kállai
Introduction. In the genesis of Parkinson's disease (PD) clinical phenomenology the exact nature of the association between bradykinesia and affective variables is unclear. In the present study, we analyzed the gait characteristics and level of depression in PD and healthy volunteers. Methods. Patients with PD (n = 48) and healthy controls (n = 52) were recruited for the present study. Walking speed, stride length, and cadence were compared between groups while participants completed a goal-directed locomotion task under visually controlled (VC) and visually noncontrolled conditions (VnC)...
2017: Parkinson's Disease
https://www.readbyqxmd.com/read/28293213/curved-walking-rehabilitation-with-a-rotating-treadmill-in-patients-with-parkinson-s-disease-a-proof-of-concept
#6
Marco Godi, Marica Giardini, Antonio Nardone, Anna Maria Turcato, Marco Caligari, Fabrizio Pisano, Marco Schieppati
Training subjects to step-in-place eyes open on a rotating platform while maintaining a fixed body orientation in space [podokinetic stimulation (PKS)] produces a posteffect consisting in inadvertent turning around while stepping-in-place eyes closed [podokinetic after-rotation (PKAR)]. Since the rationale for rehabilitation of curved walking in Parkinson's disease is not fully known, we tested the hypothesis that repeated PKS favors the production of curved walking in these patients, who are uneasy with turning, even when straight walking is little affected...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28289547/development-and-refinement-of-a-complex-intervention-within-cardiac-rehabilitation-services-experiences-from-the-cadence-feasibility-study
#7
Rachel Winder, Suzanne H Richards, John L Campbell, David A Richards, Chris Dickens, Manish Gandhi, Christine Wright, Katrina Turner
BACKGROUND: Patients who experience a cardiac event are at higher risk of developing depression than the general population. Despite this, cardiac rehabilitation (CR) programmes do not provide a systematic approach to psychological care for depression. The CADENCE study aimed to develop and pilot an enhanced psychological care (EPC) intervention consisting of behavioural activation (BA) and mental health care coordination. Following original research commissioning guidance, the intervention was planned to be embedded in routine care and delivered by CR nurses to patients with depression attending CR...
2017: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/28285898/total-hip-arthroplasty-improves-pain-and-function-but-not-physical-activity
#8
Artaban J Jeldi, Angela H Deakin, David J Allen, Malcolm H Granat, Margaret Grant, Ben W Stansfield
BACKGROUND: People with hip osteoarthritis are likely to limit physical activity (PA) engagement due to pain and lack of function. Total hip arthroplasty (THA) reduces pain and improves function, potentially allowing increased PA. PA of THA patients was quantified to 12 months postoperation. The hypothesis was that postoperatively levels of PA would increase. METHODS: PA of 30 THA patients (67 ± 7 years) was objectively measured preoperatively and 3 and 12 months postoperation...
February 10, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28284144/effects-of-visual-deprivation-on-stability-among-young-and-older-adults-during-treadmill-walking
#9
Fabricio Saucedo, Feng Yang
The purposes of this study were 1) to investigate the effect of visual deprivation on stability during treadmill walking in older and young adults, and 2) to examine if such an effect differs between age groups. Under the protection of a safety harness, 10 young (23.20±2.44years) and six older adults (67.83±2.48years) participants performed two 90-s walking trials (one with eyes open or EO and the other with eyes closed or EC) at their self-selected treadmill walking speeds determined during EO walking. The step length, step width, foot landing angle, the duration of stance phase, and cadence were calculated from the foot kinematics collected for each participant...
March 6, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28269386/inertial-sensor-based-gait-analysis-discriminates-subjects-with-and-without-visual-impairment-caused-by-simulated-macular-degeneration
#10
Christoph M Kanzler, Jens Barth, Jochen Klucken, Bjoern M Eskofier
Macular degeneration is the third leading cause of blindness worldwide and the leading cause of blindness in the developing world. The analysis of gait parameters can be used to assess the influence of macular degeneration on gait. This study examines the effect of macular degeneration on gait using inertial sensor based 3D spatio-temporal gait parameters. We acquired gait data from 21 young and healthy subjects during a 40 m obstacle walk. All subjects had to perform the gait trial with and without macular degeneration simulation glasses...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268760/automated-feet-detection-for-clinical-gait-assessment
#11
Miguel M Serrano, Yu-Ping Chen, Ayanna Howard, Patricio A Vela
The paper describes a computer vision method for estimating the clinical gait metrics of walking patients in unconstrained environments. The method employs background subtraction to produce a silhouette of the subject and a randomized decision forest to detect their feet. Given the feet detections, the stride and step length, cadence, and walking speed are estimated. Validation of the system is presented through an error analysis on manually annotated videos of subjects walking in different outdoor settings...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28265136/comparison-of-forward-walking-and-backward-walking-in-stroke-hemiplegia-patients-focusing-on-the-paretic-side
#12
Misato Makino, Akiyoshi Takami, Atsushi Oda
[Purpose] To investigate the features of backward walking in stroke patients with hemiplegia by focusing on the joint movements and moments of the paretic side, walking speed, stride length, and cadence. [Subjects and Methods] Nine stroke patients performed forward walking and backward walking along a 5-m walkway. Walking speed and stride length were self-selected. Movements were measured using a three-dimensional motion analysis system and a force plate. One walking cycle of the paretic side was analyzed. [Results] Walking speed, stride length, and cadence were significantly lower in backward walking than in forward walking...
February 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28263666/balancing-for-gross-motor-ability-in-exergaming-between-youth-with-cerebral-palsy-at-gross-motor-function-classification-system-levels-ii-and-iii
#13
Alexander MacIntosh, Lauren Switzer, Hamilton Hernandez, Susan Hwang, Adrian L Jessup Schneider, Daniel Moran, T C Nicolas Graham, Darcy L Fehlings
OBJECTIVE: To test how three custom-built balancing algorithms minimize differences in game success, time above 40% heart rate reserve (HRR), and enjoyment between youth with cerebral palsy (CP) who have different gross motor function capabilities. Youth at Gross Motor Function Classification System (GMFCS) level II (unassisted walking) and level III (mobility aids needed for walking) competed in a cycling-based exercise video game that tested three balancing algorithms. MATERIALS AND METHODS: Three algorithms: a control (generic-balancing [GB]), a constant non-person specific (One-Speed-For-All [OSFA]), and a person-specific (Target-Cadence [TC]) algorithms were built...
March 6, 2017: Games for Health
https://www.readbyqxmd.com/read/28259579/association-between-daily-walking-and-antioxidant-capacity-in-patients-with-symptomatic-peripheral-artery-disease
#14
Andrew W Gardner, Polly S Montgomery, Yan D Zhao, Federico Silva-Palacios, Zoltan Ungvari, Anna Csiszar, William E Sonntag
OBJECTIVE: The primary aim of the study was to assess whether both the amount and pace of daily walking were associated with circulating antioxidant capacity in symptomatic patients with peripheral artery disease (PAD). METHODS: Community-based walking was measured in 244 men and women who were limited by symptomatic PAD during a 1-week period in which they wore an ankle-mounted step activity monitor. Patients were further characterized by circulating antioxidant capacity with the OxiSelect (Cell Biolabs Inc, San Diego, Calif) hydroxyl radical antioxidant capacity (HORAC) activity assay...
March 1, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28255373/effect-of-rhythmic-auditory-stimulation-on-gait-kinematic-parameters-of-patients-with-multiple-sclerosis
#15
REVIEW
M Shahraki, M Sohrabi, H R Taheri Torbati, K Nikkhah, M NaeimiKia
Purpose: This study aimed to examine the effect of rhythmic auditory stimulation on gait kinematic parameters of patients with multiple sclerosis. Subjects and Methods: In this study, 18 subjects, comprising 4 males and 14 females with Multiple Sclerosis with expanded disability status scale of 3 to 6 were chosen. Subjects were selected by available and targeted sampling and were randomly divided into two experimental (n = 9) and control (n = 9) groups. Exercises were gait with rhythmic auditory stimulation by a metronome device, in addition to gait without stimulation for the experimental and control groups, respectively...
January 2017: Journal of Medicine and Life
https://www.readbyqxmd.com/read/28254157/generating-linear-regression-model-to-predict-motor-functions-by-use-of-laser-range-finder-during-tug
#16
Daiki Adachi, Shu Nishiguchi, Naoto Fukutani, Takayuki Hotta, Yuto Tashiro, Saori Morino, Hidehiko Shirooka, Yuma Nozaki, Hinako Hirata, Moe Yamaguchi, Ayanori Yorozu, Masaki Takahashi, Tomoki Aoyama
PURPOSE: The purpose of this study was to investigate which spatial and temporal parameters of the Timed Up and Go (TUG) test are associated with motor function in elderly individuals. METHODS: This study included 99 community-dwelling women aged 72.9 ± 6.3 years. Step length, step width, single support time, variability of the aforementioned parameters, gait velocity, cadence, reaction time from starting signal to first step, and minimum distance between the foot and a marker placed to 3 in front of the chair were measured using our analysis system...
February 18, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28253056/impact-of-walking-cadence-prescription-to-reach-the-global-physical-activity-recommendations-in-older-adults
#17
Jana Slaght, Martin Senechal, Danielle Bouchard
BACKGROUND: Walking cadence is a new monitoring strategy used to increase bouts of time at moderate intensity. METHODS: Inactive older adults were instructed to walk 150 minutes per week at no specified intensity during phase one. In phase two, the intervention group (N = 23) received instructions on how to reach moderate intensity, using a pedometer and an individualized walking cadence, while the control group (N = 22) did not. The main outcomes were time at moderate intensity and moderate intensity in 10-minute bouts...
March 2, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28253049/the-influence-of-a-cognitive-dual-task-on-the-gait-parameters-of-healthy-older-adults-a-systematic-review-and-meta-analysis
#18
Erin Smith, Tara Cusack, Caitriona Cunningham, Catherine Blake
This review examines the effect of a dual-task on the gait parameters of older adults with a mean gait speed of 1.0m/s or greater, and the effect of type and complexity of task. A systematic review of Web of Science, PubMed, SCOPUS, Embase and psychINFO was performed in July 2016. Twenty-three studies (twenty-eight data sets) were reviewed and pooled for meta-analysis. The effect size on seven gait parameters was measured as the raw mean difference between single and dual-task performance. Gait speed significantly reduced with the addition of a dual-task, with increasing complexity showing greater decrements...
March 2, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28240713/the-cycling-power-profile-characteristics-of-national-level-junior-triathletes
#19
Christopher J Stevens, Kyle J M Bennett, Andrew R Novak, Aden B Kittel, Ben J Dascombe
With the draft-legal rule recently introduced to junior triathlon competition, it has become difficult to assess cycling performance through race results. Therefore, this study assessed the cycling power profile characteristics of national level junior triathletes to assist with physical assessment and program design. Thirteen male (17.0 ± 1.0 yr) and eleven female (17.2 ± 1.3 yr) national level junior triathletes completed a cycling power profile that consisted of maximal intervals that lasted 6, 15, 30, 60, 240 and 600 seconds in duration...
February 23, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28227629/inertial-sensor-based-gait-analysis-discriminates-subjects-with-and-without-visual-impairment-caused-by-simulated-macular-degeneration
#20
Christoph M Kanzler, Jens Barth, Jochen Klucken, Bjoern M Eskofier, Christoph M Kanzler, Jens Barth, Jochen Klucken, Bjoern M Eskofier, Jens Barth, Jochen Klucken, Bjoern M Eskofier, Christoph M Kanzler
Macular degeneration is the third leading cause of blindness worldwide and the leading cause of blindness in the developing world. The analysis of gait parameters can be used to assess the influence of macular degeneration on gait. This study examines the effect of macular degeneration on gait using inertial sensor based 3D spatio-temporal gait parameters. We acquired gait data from 21 young and healthy subjects during a 40 m obstacle walk. All subjects had to perform the gait trial with and without macular degeneration simulation glasses...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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