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Gait speed

Yang Sun Park, Ji-Won Kim, Yuri Kwon, Moon-Seok Kwon
Background: Incidence of falling in the older-elderly is higher than that of the younger-elderly. In addition, falls occur more in elderly women than in elderly men. However, it is unclear whether age and sex-specific differences exist in gait characteristics of the elderly. Therefore, the aim of this study was to investigate age- and sex-related differences in gait characteristics of the Korean elderly people. Methods: A total of 75 younger-elderly subjects (age of 65-74 yr; 21 men and 54 women) and 59 older-elderly subjects (age of 75-90 yr; 15 men and 44 women) participated in this study in 2014...
May 2018: Iranian Journal of Public Health
Chun Kwang Tan, Hideki Kadone, Hiroki Watanabe, Aiki Marushima, Masashi Yamazaki, Yoshiyuki Sankai, Kenji Suzuki
Gait disturbance is commonly associated with stroke, which is a serious neurological disease. With current technology, various exoskeletons have been developed to provide therapy, leading to many studies evaluating the use of such exoskeletons as an intervention tool. Although these studies report improvements in patients who had undergone robotic intervention, they are usually reported with clinical assessment, which are unable to characterize how muscle activations change in patients after robotic intervention...
2018: Frontiers in Neuroscience
Hee-Won Jung, Il-Young Jang, Chang Ki Lee, Sang Soo Yu, Jae Kyoon Hwang, Chawoong Jeon, Young Soo Lee, Eunju Lee
Purpose: We aimed to describe the age- and sex-specific distributions of gait speed and to evaluate associations with longitudinal outcomes in Korean rural community-dwelling older adults. Patients and methods: A total of 1,348 people (mean age: 76 years, 55% women) in the population-based, prospective cohort of Aging Study of Pyeongchang Rural Area (ASPRA) between October 2014 and June 2017. All participants underwent a comprehensive geriatric assessment, including 4-m usual gait speed, and were followed annually...
2018: Clinical Interventions in Aging
Anthony M Pagano, Anthony M Carnahan, Charles T Robbins, Megan A Owen, Tammy Batson, Nate Wagner, Amy Cutting, Nicole Nicassio-Hiskey, Amy Hash, Terrie M Williams
Ursids are the largest mammals to retain a plantigrade posture. This primitive posture has been proposed to result in reduced locomotor speed and economy relative to digitigrade and unguligrade species, particularly at high speeds. Previous energetics research on polar bears ( Ursus maritimus ) found locomotor costs were more than double predictions for similarly sized quadrupedal mammals, which could be a result of their plantigrade posture or due to adaptations to their Arctic marine existence. To evaluate whether polar bears are representative of terrestrial ursids or distinctly uneconomical walkers, this study measured the mass-specific metabolism, overall dynamic body acceleration, and gait kinematics of polar bears and grizzly bears ( Ursus arctos ) trained to rest and walk on a treadmill...
June 19, 2018: Journal of Experimental Biology
Sander van Hoeve, Michael Houben, Jan P A M Verbruggen, Paul Willems, Kenneth Meijer, Martijn Poeze
Ankle fractures are among the most common lower limb fractures. Associations between postoperative radiographic results and clinical outcome have been found, but less is known about the relevant ankle biomechanics. This study analysed ankle kinematics, radiographic findings and patient-reported outcome measures (PROM) in patients treated for ankle fractures. The hypothesis was that patients after ankle fracture surgery had less flexion/extension in the ankle compared to healthy subjects and that fracture severity had significant influence on kinematics and patient satisfaction...
June 19, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
Nancye May Peel, Linson John Alapatt, Lee Vanessa Jones, Ruth Eleanor Hubbard
Background: Gait speed and cognitive performance tend to decline with age. A better understanding of the dynamics of the association between gait speed and cognitive status may identify preclinical markers and improve diagnostic assessments. The objective was to quantify the association between gait speed and cognitive status in later life. Methods: A systematic search was undertaken of relevant databases for original articles published prior to June 2017, measuring the association between gait speed and cognition cross-sectionally or longitudinally among the community-dwelling population...
June 18, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
Jonathan B Dingwell, Nicole K Bohnsack-McLagan, Joseph P Cusumano
As humans walk or run, external (environmental) and internal (physiological) disturbances induce variability. How humans regulate this variability from stride-to-stride can be critical to maintaining balance. One cannot infer what is "controlled" based on analyses of variability alone. Assessing control requires quantifying how deviations are corrected across consecutive movements. Here, we assessed walking and running, each at two speeds. We hypothesized differences in speed would drive changes in variability, while adopting different gaits would drive changes in how people regulated stepping...
June 15, 2018: Journal of Biomechanics
Daijiro Abe, Yoshiyuki Fukuoka, Takafumi Maeda, Masahiro Horiuchi
BACKGROUND: Energy cost of transport per unit distance (CoT) against speed shows U-shaped fashion in walking and linear fashion in running, indicating that there exists a specific walking speed minimizing the CoT, being defined as economical speed (ES). Another specific gait speed is the intersection speed between both fashions, being called energetically optimal transition speed (EOTS). We measured the ES, EOTS, and muscle activities during walking and running at the EOTS under hyperoxia (40% fraction of inspired oxygen) on the level and uphill gradients (+ 5%)...
June 19, 2018: Journal of Physiological Anthropology
Ling-Fung Yeung, Corinna Ockenfeld, Man-Kit Pang, Hon-Wah Wai, Oi-Yan Soo, Sheung-Wai Li, Kai-Yu Tong
BACKGROUND: Robot-assisted ankle-foot-orthosis (AFO) can provide immediate powered ankle assistance in post-stroke gait training. Our research team has developed a novel lightweight portable robot-assisted AFO which is capable of detecting walking intentions using sensor feedback of wearer's gait pattern. This study aims to investigate the therapeutic effects of robot-assisted gait training with ankle dorsiflexion assistance. METHODS: This was a double-blinded randomized controlled trial...
June 19, 2018: Journal of Neuroengineering and Rehabilitation
Val Mikos, Shih-Cheng Yen, Arthur Tay, Chun-Huat Heng, Chloe Lau Ha Chung, Sylvia Hui Xin Liew, Dawn May Leng Tan, Wing Lok Au
BACKGROUND: Deviation in gait performance from normative data of healthy cohorts is used to quantify gait ability. However, normative data is influenced by anthropometry and such differences among subjects impede accurate assessment. De-correlation of anthropometry from gait parameters and mobility measures is therefore desirable. METHODS: 87 (42 male) healthy subjects varying form 21 to 84 years of age were assessed on gait parameters (cadence, ankle velocity, stride time, stride length) and mobility measures (the 3-meter/7-meter Timed Up-and-Go, 10-meter Walk Test)...
2018: PloS One
Roberta Castilhos Detanico Bohrer, Gleber Pereira, Joice Katiane Mendes Beck, Angélica Lodovico, André Rodacki
The purpose of this study was to investigate the effects of multicomponent training program, designed to improve the torque around the ankle joint performing high-speed movement execution, on healthy older adults. Participants were balanced by torque around the ankle joint and randomly allocated to either exercise (n=12, 69.7±4.8 years, 74.6±16.8 kg, 1.63±0.10 m) or control group (n=14, 70.86±6.48 years; 73.5±13.4 kg, 1.56±0.05 m). The exercise group performed a multicomponent training of resistance, agility and coordination exercises, focusing on the plantar flexor muscles during 12 weeks (3 days per week)...
June 18, 2018: Rejuvenation Research
Liye Zou, Chaoyi Wang, Zuguo Tian, Huiru Wang, Yankai Shu
The purpose of the present study was to examine the effect of Yang-style Tai chi (TC) on gait parameters and musculoskeletal flexibility in healthy Chinese female adults. Sixty-six female adults aged >65 years were randomly assigned to either an experimental group (67.9 ± 3.2 years of age) receiving three 90-min simplified 24-form TC sessions for eight weeks, or a control group (67.4 ± 2.9 years of age) who maintained their daily lifestyles. All study participants were instructed to perform a selected pace walking for recording gait parameters (stride length, gait speed, swing cycle time, stance phase, and double support times) at both baseline and after the experiment...
July 17, 2017: Sports
Paolo Caravaggi, Giada Lullini, Lisa Berti, Sandro Giannini, Alberto Leardini
BACKGROUND: Flexible flatfoot (FFF) is a common alteration of the foot diagnosed in the pediatric population causing pain and decreased quality of life. Surgical treatment via arthroereisis of the subtalar joint can be recommended when non-invasive options do not result in sufficient pain relief. While clinical outcome of subtalar joint arthroereisis is generally positive, no functional evaluation has thus far been reported following surgery. RESEARCH QUESTION: The aim of this study was to assess the effects of two arthroereisis implants for the correction of bilateral FFF on foot and lower limb biomechanics during gait...
June 11, 2018: Gait & Posture
Zahraa M Abdulhasan, Andy J Scally, John G Buckley
BACKGROUND: Walking down ramps is a demanding task for transfemoral-amputees and terminating gait on ramps is even more challenging because of the requirement to maintain a stable limb so that it can do the necessary negative mechanical work on the centre-of-mass in order to arrest (dissipate) forward/downward velocity. We determined how the use of a microprocessor-controlled limb system (simultaneous control over hydraulic resistances at ankle and knee) affected the negative mechanical work done by each limb when transfemoral-amputees terminated gait during ramp descent...
May 30, 2018: Clinical Biomechanics
Oren Tirosh, Guy Orland, Alon Eliakim, Dan Nemet, Nili Steinberg
OBJECTIVES: To determine the between-visit reliability of an accelerometer as a measure of lower-extremity impact acceleration at a variety of gait speeds in children. DESIGN: Absolute reliability assessment. METHODS: Ten children with no known gait pathology attended two testing sessions, three weeks apart. A tri-axial accelerometer was fixed to the child's distal tibia to measure peak positive acceleration responses while walking and running on the treadmill at three different speeds (comfortable walking, threshold walking, and jogging)...
June 5, 2018: Journal of Science and Medicine in Sport
Thierry Deltombe, Maxime Gilliaux, François Peret, Mie Leeuwerck, Delphine Wautier, Philippe Hanson, Thierry Gustin
BACKGROUND: Neuro-orthopaedic surgery is recognized as an effective treatment to improve walking capacity in case of spastic equinovarus foot. However, the effect of surgery on the 3 domains of the International Classification of Functioning, Disability and Health (ICF) has never been studied. AIM: To assess the efficacy of the neuro-orthopaedic surgery for spastic equinovarus foot after stroke based on a goal-centered approach and on the 3 domains of the International Classification of Functioning, Disability and Health (ICF)...
June 14, 2018: European Journal of Physical and Rehabilitation Medicine
Juan José Calvo Aguirrey, Josu Alustiza Navarro, Joana Uranga Zaldúa, Cristina Sarasqueta Eizaguirre, Olga Bueno Yáñez
INTRODUCTION: Physical and psychological functional conditions are key factors in the elderly population. Many evaluation tools are available, but they cannot be applied to the whole geriatric population. The use Alusti Test is presented. This test consists of 2versions, which enable it to encompass this wide and complex population spectrum. MATERIALS AND METHODS: A prospective study with the institutionalised, hospitalised, and community population, was conducted between September and December 2016...
June 11, 2018: Revista Española de Geriatría y Gerontología
Gregory J Jenkins, Chady H Hakim, N Nora Yang, Gang Yao, Dongsheng Duan
BACKGROUND AND OBJECTIVE: Gait analysis is valuable for studying neuromuscular and skeletal diseases. Wearable motion sensors or inertial measurement units (IMUs) have become common for human gait analysis. Canines are important large animal models for translational research of human diseases. Our objective is to develop a method for accurate and reliable determination of the timing of each stride in dogs using a wearable IMU. METHODS: We built a wireless IMU sensor using off-the-shelf components...
2018: PloS One
Jennifer L Moore, Kirsten Potter, Kathleen Blankshain, Sandra L Kaplan, Linda C OʼDwyer, Jane E Sullivan
BACKGROUND: Use of outcome measures (OMs) in adult neurologic physical therapy is essential for monitoring changes in a patient's status over time, quantifying observations and patient-reported function, enhancing communication, and increasing the efficiency of patient care. OMs also provide a mechanism to compare patient and organizational outcomes, examine intervention effectiveness, and generate new knowledge. This clinical practice guideline (CPG) examined the literature related to OMs of balance, gait, transfers, and patient-stated goals to identify a core set of OMs for use across adults with neurologic conditions and practice settings...
June 12, 2018: Journal of Neurologic Physical Therapy: JNPT
Laura Mori, Valeria Prada, Alessio Signori, Davide Pareyson, Giuseppe Piscosquito, Luca Padua, Costanza Pazzaglia, Gian M Fabrizi, Alessandro Picelli, Angelo Schenone
BACKGROUND: The outcome measures (OMs) in clinical trials for Charcot Marie Tooth disease (CMT) still represent an issue. A recent study highlighted that three additional clinical OMs, the 10 meters walk test (10MWT), 9 hole-peg test, and foot dorsal flexion dynamometry, further improve discrimination between severely and mildly affected patients. Another study recently assess the validity and reliability of the 6 Minutes Walking test (6MWT). AIM: To identify the most useful scales in the clinical evaluation of CMT1A patients...
June 11, 2018: European Journal of Physical and Rehabilitation Medicine
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