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Walking speed

Mara A McAdams-DeMarco, Hao Ying, Israel Olorundare, Elizabeth A King, Christine Haugen, Brian Buta, Alden L Gross, Rita Kalyani, Niraj M Desai, Nabil N Dagher, Bonnie E Lonze, Robert A Montgomery, Karen Bandeen-Roche, Jeremy D Walston, Dorry L Segev
BACKGROUND: Frailty increases early hospital readmission and mortality risk among kidney transplant (KT) recipients. While frailty represents a high-risk state for this population, the correlates of frailty, the patterns of the 5 frailty components, and the risk associated with these patterns are unclear. METHODS: 663 KT recipients were enrolled in a cohort study of frailty in transplantation (12/2008-8/2015). Frailty, ADL/IADL disability, CESD depression, education, and HRQOL were measured...
October 25, 2016: Transplantation
Nataša Bizovičar, Zlatko Matjačić, Irena Stanonik, Nika Goljar
Regaining of the patient's ability to walk after stroke is an important goal of rehabilitation programmes. The ultimate goal of gait rehabilitation is to empower patients for overground walking. We have previously developed a prototype of a therapist-controlled mobile platform with compliant pelvis support mechanism that enables balance training during overground walking (device E-go). The aim of this pilot randomized controlled study was to explore the usefulness of the E-go in reducing the number of therapists needed during walking training, and to explore the effectiveness of the E-go on walking abilities in severely affected stroke patients...
October 24, 2016: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
Federica Agosta, Roberto Gatti, Elisabetta Sarasso, Maria Antonietta Volonté, Elisa Canu, Alessandro Meani, Lidia Sarro, Massimiliano Copetti, Erik Cattrysse, Eric Kerckhofs, Giancarlo Comi, Andrea Falini, Massimo Filippi
Gait disorders represent a therapeutic challenge in Parkinson's disease (PD). This study investigated the efficacy of 4-week action observation training (AOT) on disease severity, freezing of gait and motor abilities in PD, and evaluated treatment-related brain functional changes. 25 PD patients with freezing of gait were randomized into two groups: AOT (action observation combined with practicing the observed actions) and "Landscape" (same physical training combined with landscape-videos observation). At baseline and 4-week, patients underwent clinical evaluation and fMRI...
October 24, 2016: Journal of Neurology
Sarah L Mullane, Matthew P Buman, Zachary S Zeigler, Noe C Crespo, Glenn A Gaesser
OBJECTIVES: To compare acute cognitive effects following bouts of standing (STAND), cycling (CYCLE) and walking (WALK) to a sit-only (SIT) condition. DESIGN: Randomized cross-over full-factorial study. METHODS: Nine overweight (BMI=29±3kg/m(2)) adults (30±15years; 7 females, 2 males) completed four conditions (SIT, STAND, WALK and CYCLE) across a 6h period with a 7days washout period between conditions. SIT consisted of uninterrupted sitting...
October 8, 2016: Journal of Science and Medicine in Sport
R Barrois, Th Gregory, L Oudre, Th Moreau, Ch Truong, A Aram Pulini, A Vienne, Ch Labourdette, N Vayatis, S Buffat, A Yelnik, C de Waele, S Laporte, P P Vidal, D Ricard
For diagnosis and follow up, it is important to be able to quantify limp in an objective, and precise way adapted to daily clinical consultation. The purpose of this exploratory study was to determine if an inertial sensor-based method could provide simple features that correlate with the severity of lower limb osteoarthritis evaluated by the WOMAC index without the use of step detection in the signal processing. Forty-eight patients with lower limb osteoarthritis formed two severity groups separated by the median of the WOMAC index (G1, G2)...
2016: PloS One
Prabasaj Paul, Susan A Carlson, Janet E Fulton
BACKGROUND: The association between walking and environmental attributes depends on walking purpose. This study, based on a large survey of U.S. adults, examined the association between perceived neighborhood safety and built environment attributes, and walking for transportation and leisure. METHODS: Data were obtained on transportation and leisure-time walking, perceived neighborhood safety and built environment attributes, and demographic characteristics from the summer wave of the 2012 ConsumerStyles survey of 3,951 U...
October 24, 2016: Journal of Physical Activity & Health
Shanyuanye Guan, Hans A Gray, Anthony G Schache, Julian Feller, Richard de Steiger, Marcus G Pandy
No data are available to describe six-degree-of-freedom (6-DOF) knee-joint kinematics for one complete cycle of overground walking subsequent to total knee arthroplasty (TKA). The aims of this study were firstly, to measure 6-DOF knee-joint kinematics and condylar motion for overground walking following TKA; and secondly, to determine whether such data differed between overground and treadmill gait when participants walked at the same speed during both tasks. A unique mobile biplane X-ray imaging system enabled accurate measurement of 6-DOF TKA knee kinematics during overground walking by simultaneously tracking and imaging the joint...
October 22, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
Walter Pirker, Regina Katzenschlager
Human gait depends on a complex interplay of major parts of the nervous, musculoskeletal and cardiorespiratory systems. The individual gait pattern is influenced by age, personality, mood and sociocultural factors. The preferred walking speed in older adults is a sensitive marker of general health and survival. Safe walking requires intact cognition and executive control. Gait disorders lead to a loss of personal freedom, falls and injuries and result in a marked reduction in the quality of life. Acute onset of a gait disorder may indicate a cerebrovascular or other acute lesion in the nervous system but also systemic diseases or adverse effects of medication, in particular polypharmacy including sedatives...
October 21, 2016: Wiener Klinische Wochenschrift
Sijie Tan, Cheng Chen, Mingyang Sui, Lunan Xue, Jianxiong Wang
OBJECTIVES: To explore the effects of exercise training on body composition, cardiovascular function, and physical fitness in 5-year-old obese and lean children. METHODS: 42 obese and 62 lean children were randomly allocated into exercise and control groups separately. Body composition, cardiovascular function, and physical fitness were measured at baseline and the end of the intervention. The exercise groups participated in 10 weeks of supervised moderate intensity exercise training (at 50% of heart rate reserve), 50 training sessions in total...
October 21, 2016: Pediatric Exercise Science
Kênia K Menezes, Christina D Faria, Aline S Scianni, Patrick R Avelino, Iza I Faria-Fortini, Luci F Teixeira-Salmela
BACKGROUND: Similar to the findings with the upper limbs, previous dominance of the lower limbs could also interfere with measures of impairment and activity of individuals with stroke. If this occurs, rehabilitation interventions should be planned, considering previous lower limb dominance. AIM: To investigate the impact of having the dominant versus the non-dominant lower limb affected by the stroke on measures of impairment and activity. DESIGN: Cross-sectional study...
October 21, 2016: European Journal of Physical and Rehabilitation Medicine
Tsuyoshi Goto, Toshinori Sakai, Tetsuya Enishi, Nori Sato, Koji Komatsu, Koichi Sairyo, Shinsuke Katoh
Neurogenic intermittent claudication is a main symptom in lumbar spinal stenosis (LSS), and postural change is often observed during walking. This study aimed to identify the changes in posture and muscle activity in the trunk and legs during walking in patients with LSS by examining 6 patients who had undergone decompression surgery. None of them had significant paralysis. Gait analysis using Vicon motion capture system(®) with electromyographic recordings of the paravertebral muscles (PVM) and vastus lateralis muscle (VL) was performed preoperatively and 2 weeks postoperatively...
October 6, 2016: Gait & Posture
Jillian Lye, Stephanie Parkinson, Nicola Diamond, Jenny Downs, Susan Morris
The strategy used to generate power for forward propulsion in walking and running has recently been highlighted as a marker of gait maturation and elastic energy recycling. This study investigated ankle and hip power generation as a propulsion strategy (PS) during the late stance/early swing phases of walking and running in typically developing (TD) children (15: six to nine years; 17: nine to 13years) using three-dimensional gait analysis. Peak ankle power generation at push-off (peakA2), peak hip power generation in early swing (peakH3) and propulsion strategy (PS) [peakA2/(peakA2+peakH3)] were calculated to provide the relative contribution of ankle power to total propulsion...
October 17, 2016: Human Movement Science
Shaghayegh Zihajehzadeh, Edward J Park
Walking speed is widely used to study human health status. Wearable inertial measurement units (IMU) are promising tools for the ambulatory measurement of walking speed. Among wearable inertial sensors, the ones worn on the wrist, such as a watch or band, have relatively higher potential to be easily incorporated into daily lifestyle. Using the arm swing motion in walking, this paper proposes a regression model-based method for longitudinal walking speed estimation using a wrist-worn IMU. A novel kinematic variable is proposed, which finds the wrist acceleration in the principal axis (i...
2016: PloS One
James Gardiner, Nuwan Gunarathne, David Howard, Laurence Kenney
Collecting large datasets of amputee gait data is notoriously difficult. Additionally, collecting data on less prevalent amputations or on gait activities other than level walking and running on hard surfaces is rarely attempted. However, with the wealth of user-generated content on the Internet, the scope for collecting amputee gait data from alternative sources other than traditional gait labs is intriguing. Here we investigate the potential of YouTube videos to provide gait data on amputee walking. We use an example dataset of trans-femoral amputees level walking at self-selected speeds to collect temporal gait parameters and calculate gait asymmetry...
2016: PloS One
Eric C Honert, Karl E Zelik
INTRODUCTION: Inverse dynamics joint kinetics are often used to infer contributions from underlying groups of muscle-tendon units (MTUs). However, such interpretations are confounded by multiarticular (multi-joint) musculature, which can cause inverse dynamics to over- or under-estimate net MTU power. Misestimation of MTU power could lead to incorrect scientific conclusions, or to empirical estimates that misguide musculoskeletal simulations, assistive device designs, or clinical interventions...
2016: PloS One
Nina Lefeber, Eva Swinnen, Eric Kerckhofs
PURPOSE: The integration of sufficient cardiovascular stress into robot-assisted gait (RAG) training could combine the benefits of both RAG and aerobic training. The aim was to summarize literature data on the immediate effects of RAG compared to walking without robot-assistance on metabolic-, cardiorespiratory- and fatigue-related parameters. METHODS: PubMed and Web of Science were searched for eligible articles till February 2016. Means, SDs and significance values were extracted...
October 20, 2016: Disability and Rehabilitation. Assistive Technology
Emily B Devine, Rafael Alfonso-Cristancho, N David Yanez, Todd C Edwards, Donald L Patrick, Cheryl A L Armstrong, Allison Devlin, Rebecca G Symons, Mark H Meissner, Ellen L T Derrick, Danielle C Lavallee, Larry G Kessler, David R Flum
Importance: Intermittent claudication (IC) is the most common presentation of infrainguinal peripheral artery disease. Both medical and revascularization interventions for IC aim to increase walking comfort and distance, but there is inconclusive evidence of the comparative benefit of revascularization given the possible risk of limb loss. Objective: To compare the effectiveness of a medical (walking program, smoking cessation counseling, and medications) vs revascularization (endovascular or surgical) intervention for IC in the community, focusing on outcomes of greatest importance to patients...
October 19, 2016: JAMA Surgery
Hee-Jae Kim, Ilhyoek Park, Hyo Joo Lee, On Lee
PURPOSE: Gait speed is an important objective values associated with several health-related outcomes including functional mobility in aging people. However, walking test methodologies and descriptions are not standardized considering specific aims of research. This study examine the reliability and validity of gait speed measured at various distances and paces in elderly Koreans. METHODS: Fifty-four female participants ≥70 years of age were recruited from a local retirement community...
September 2016: Journal of Exercise Nutrition & Biochemistry
HaoYuan Hsiao, Thomas M Zabielski, Jacqueline A Palmer, Jill S Higginson, Stuart A Binder-Macleod
Recent rehabilitation approaches for individuals poststroke have focused on improving walking speed because it is a reliable measurement that is associated with quality of life. Previous studies have demonstrated that propulsion, the force used to propel the body forward, determines walking speed. However, there are several different ways of measuring propulsion and no studies have identified which measurement best reflects differences in walking speed. The primary purposes of this study were to determine for individuals poststroke, which measurement of propulsion (1) is most closely related to their self-selected walking speeds and (2) best reflects changes in walking speed within a session...
October 8, 2016: Journal of Biomechanics
Yoshihiro Fukumoto, Hiroshige Tateuchi, Rui Tsukagoshi, Yusuke Okita, Haruhiko Akiyama, Kazutaka So, Yutaka Kuroda, Noriaki Ichihashi
OBJECTIVE: The aim of this study was to investigate the effects of high-velocity (HV) and low-velocity (LV) resistance training on gait kinematics and kinetics in patients with hip osteoarthritis. DESIGN: This was a single-blind, randomized controlled trial. Forty-six women with hip osteoarthritis were randomly allocated to the HV (n = 23) or LV (n = 23) training group. The participants underwent an 8-week home-based the HV or LV resistance-training program, involving the hip and knee muscles...
October 13, 2016: American Journal of Physical Medicine & Rehabilitation
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