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https://www.readbyqxmd.com/read/28528005/attentional-load-of-walking-in-children-aged-7-12-and-in-adults
#1
Guillaume Chauvel, Estelle Palluel, Arthur Brandao, Guillaume Barbieri, Vincent Nougier, Isabelle Olivier
The amount of attentional resources necessary to walk in children, and how they evolve during childhood remains unclear. This study examined children's gait parameters in different dual-task conditions. 53 children, divided into two age groups (7-9 and 10-12 years old), and 18 adults walked on a mat in three different cognitive conditions: watching a video (video condition), listening its soundtrack (audio condition), and without any additional task (control condition). Questions were asked at the end of the video and audio conditions to make sure that participants were paying attention to the stimuli...
May 6, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28527231/nordic-walking-improves-trunk-stability-and%C3%A2-gait-spatial-temporal-characteristics-in%C3%A2-people-with-parkinson-disease
#2
Marie-Anne Gougeon, Lei Zhou, Julie Nantel
BACKGROUND: This study aimed to assess the effect of walking with Nordic walking (NW) poles on postural stability and gait spatial-temporal characteristics in individuals with PD and to determine the cognitive load associated operating the poles. METHODS: Twelve individuals with PD (age: 61.6±11.7) were asked to perform four 90 s walking trials; with/without poles and with/without verbal fluency task (category fluency) after a 6-week independent NW training. We assessed gait spatial-temporal characteristics, and trunk postural stability using the APDM accelerometry system...
May 13, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28509763/achilles-tendon-load-is-progressively-increased-with-reductions-in-walking-speed
#3
Torsten Brauner, Philippe Pourcelot, Nathalie Crevier-Denoix, Thomas Horstmann, Scott C Wearing
INTRODUCTION: Achilles tendon rehabilitation protocols commonly recommend a gradual increase in walking speed to progressively intensify tendon loading. This study used transmission-mode ultrasound to evaluate the influence of walking speed on loading of the human Achilles tendon in vivo. METHODS: Axial transmission speed of ultrasound was measured in the right Achilles tendon of 33 adults (mean ± SD; age, 29 ± 3 years; height, 1.725 ± 0.069 m; weight, 71.4 ± 19...
May 15, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28507630/relationship-between-gait-parameters-and-postural-stability-in-early-and-late-parkinson-s-disease-and-visual-feedback-based-balance-training-effects
#4
Mohieldin M Ahmed, Douaa M Mosalem, Aziz K Alfeeli, Ayyoub B Baqer, Doaa Youssry Soliman
BACKGROUND: Gait disorders or postural instability has been done before. However, lack of reviews has addressed the relation between gait and postural stability in Parkinson's disease (PD). AIM: The aim was to evaluate the relation between gait parameters and postural stability in early and late stages of PD. MATERIALS AND METHODS: The forty-one idiopathic PD patients were divided into two groups into a group (A) considered as early PD and group (B) considered as late ambulant PD...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28507629/changes-in-kinetic-parameters-of-gait-in-patients-with-supratentorial-unilateral-stroke-in-chronic-period
#5
Danche Vasileva, Nikolai Izov, Ivan Maznev, Daniela Lubenova, Marija Mihova, Velo Markovski, Carmen Nistor Cseppento
AIM: The aim of the study is to evaluate the changes of the kinetic parameters of gait in patients with supratentorial unilateral stroke in the chronic period (SUSChP). MATERIAL AND METHODS: The study was conducted with 67 patients with SUSChP (56 patients included in the experimental group - 32 men and 24 women, with duration of disease 7.8 ± 2.0 months, and 11 patients in the control group - 9 men and 2 women, with duration of disease 7.3 ± 1.5 months). To evaluate the changes in the gait were followed cadence of 6 m and 10 m and the speed of movement which are the most informative kinetic parameters...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28507164/reliability-of-low-power-cycling-efficiency-in-energy-expenditure-phenotyping-of-inactive-men-and-women
#6
Elie-Jacques Fares, Laurie Isacco, Cathriona R Monnard, Jennifer L Miles-Chan, Jean-Pierre Montani, Yves Schutz, Abdul G Dulloo
Standardized approaches to assess human energy expenditure (EE) are well defined at rest and at moderate to high-intensity exercise, but not at light intensity physical activities energetically comparable with those of daily life (i.e., 1.5-4 times the resting EE, i.e., 1.5-4 METs). Our aim was to validate a graded exercise test for assessing the energy cost of low-intensity dynamic work in physically inactive humans, that is, those who habitually do not meet the guidelines for moderate-to-vigorous aerobic physical activity levels...
May 2017: Physiological Reports
https://www.readbyqxmd.com/read/28502541/prolonged-stance-phase-during-walking-in-intermittent-claudication
#7
Lindy N M Gommans, Annemieke T Smid, Marc R M Scheltinga, Ernst Cancrinus, Frans A M Brooijmans, Kenneth Meijer, Joep A W Teijink
BACKGROUND: Patients with intermittent claudication (IC) tend to walk slower and consume approximately 40% more oxygen during walking compared with healthy individuals. An unfavorable locomotion pattern has been suggested to explain this metabolic inefficiency. However, detailed knowledge of gait parameters in IC is lacking. METHODS: In a cross-sectional study, the gait pattern of newly diagnosed IC patients was compared with that of healthy controls. Spatiotemporal gait parameters such as step length and duration of stance phase were obtained by a photoelectric technique (OptoGait; Microgate, Bolzano, Italy)...
May 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28502346/kinematics-and-function-of-total-ankle-replacements-versus-normal-ankles
#8
REVIEW
Justin M Kane, Scott Coleman, James W Brodsky
End-stage ankle arthritis produces severe functional disability, quantifiable by gait abnormalities. In all categories of gait parameters, total ankle arthroplasty (TAA) satistically significantly improves function, compared to patients' preoperative function. There are increases in step length, cadence and velocity; in sagittal plane motion of the ankle, as well has hip and knee motion, and in ankle power and moment. These functional gait improvements correspond to clinical improvements of pain relief and satisfaction...
June 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/28493819/the-choice-of-freely-preferred-cadence-by-trained-nonprofessional-cyclists-may-not-be-characterized-by-mechanical-efficiency
#9
Yitzhak Weinstein, Ron Mor-Unikowski, Shachar Nice, Shraga Hocherman, Omri Inbar
BACKGROUND: Most cycling studies involve professional cyclists. Because training may affect riding style, it is of interest to determine the physiological basis for the personal choice of cycling cadence in nonprofessional cyclists. METHODS: Eleven nonprofessional (5.2±1.7-year-riding experience) male road cyclists, aged 35.0±11.0 years, underwent four separate laboratory test sessions. The first two sessions included habituation, anthropometry, V˙O2max,$\dot V{{\text{O}}_{\text{2}}}{\text{max}},$ and lactate threshold (LaTH) measurements...
May 11, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28482203/transition-from-shod-to-barefoot-alters-dynamic-stability-during-running
#10
Antonis Ekizos, Alessandro Santuz, Adamantios Arampatzis
INTRODUCTION: Barefoot running recently received increased attention, with controversial results regarding its effects on injury risk and performance. Numerous studies examined the kinetic and kinematic changes between the shod and the barefoot condition. Intrinsic parameters such as the local dynamic stability could provide new insight regarding neuromuscular control when immediately transitioning from one running condition to the other. We investigated the local dynamic stability during the change from shod to barefoot running...
April 27, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28479051/asymmetry-in-gait-pattern-following-bicondylar-tibial-plateau-fractures-a-prospective-one-year-cohort-study
#11
Rasmus Elsoe, Peter Larsen
INTRODUCTION: Despite the high number of studies evaluating outcomes following tibial plateau fractures, the literature lacks studies including the objective assessment of gait pattern. The purpose of the present study was to evaluate asymmetry in gait patterns at 12 months after frame removal following ring fixation of a tibial plateau fracture. PATIENTS AND METHODS: The study design was a prospective cohort study. The primary outcome measurement was the gait patterns 12 months after frame removal measured with a pressure-sensitive mat...
April 27, 2017: Injury
https://www.readbyqxmd.com/read/28464831/principal-component-analysis-for-ataxic-gait-using-a-triaxial-accelerometer
#12
Akira Matsushima, Kunihiro Yoshida, Hirokazu Genno, Shu-Ichi Ikeda
BACKGROUND: It is quite difficult to evaluate ataxic gait quantitatively in clinical practice. The aim of this study was to analyze the characteristics of ataxic gait using a triaxial accelerometer and to develop a novel biomarker of integrated gate parameters for ataxic gait. METHODS: Sixty-one patients with spinocerebellar ataxia (SCA) or multiple system atrophy with predominant cerebellar ataxia (MSA-C) and 57 healthy control subjects were enrolled. The subjects were instructed to walk 10 m for a total of 12 times on a flat floor at their usual walking speed with a triaxial accelerometer attached to their back...
May 2, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28460405/validity-and-reliability-of-the-garmin-vector-power-meter-in-laboratory-and-field-cycling
#13
Alfred Nimmerichter, Lukas Schnitzer, Bernhard Prinz, Dieter Simon, Klaus Wirth
To assess the validity and reliability of the Garmin Vector against the SRM power meter, 6 cyclists completed 3 continuous trials at power outputs from 100-300 W at 50-90 rev·min(-1) and a 5-min time trial in laboratory and field conditions. In field conditions only, a 30-s sprint was performed. Data were compared with paired samples t-tests, with the 95% limits of agreement (LoA) and the typical error. Reliability was calculated as the coefficient of variation (CV). There was no significant difference between the devices in power output in laboratory (p=0...
May 1, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28459298/reliability-of-power-settings-of-the-wahoo-kickr-power-trainer-after-60-hours-of-use
#14
Emma K Zadow, Cecilia M Kitic, Sam S X Wu, James W Fell
PURPOSE: The purpose of this study was to assess the reliability of power output measurements of a Wahoo KICKR Power Trainer (KICKR) on two separate occasions, separated by fourteen months of regular use (~1 h per week). METHODS: Using the KICKR to set power outputs, powers of 100-600W in increments of 50W were assessed at cadences of 80, 90 and 100rev.min(-1) which were controlled and validated by a dynamic calibration rig (CALRIG). RESULTS: A small ratio bias of 1...
May 1, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28459286/the-maximally-achievable-cycling-cadence-affects-carbohydrate-management-at-moderate-and-heavy-exercise-intensity
#15
Ralph Beneke, Tobias G J Weber, Renate M Leithäuser
Effects of different cycling cadences (RPM) on metabolic rate, blood lactate concentration (BLC), and reliance on carbohydrate (CHO) defined as the fraction of oxygen uptake used for CHO oxidation (relCHO) are highly individual. Whether this depends on the individually maximal achievable RPM obtained at minimized cycling resistance (RPMmax), is unknown. We tested the hypotheses that 1) the individual freely chosen RPM at an incremental cycle ergometer test (ILT), and 2) relCHO at given BLC levels both depend on RPMmax...
May 1, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28459099/walking-cadence-to-exercise-at-moderate-intensity-for-adults-a-systematic-review
#16
REVIEW
J Slaght, M Sénéchal, T J Hrubeniuk, A Mayo, D R Bouchard
Background. Most adults choose walking as a leisure activity. However, many do not reach the international physical activity guidelines for adults, which recommend moderate intensity aerobic activity for at least 150 minutes/week in bouts of 10 minutes. Purpose. This systematic review provides an update on the walking cadence required to reach moderate intensity in adults and older adults, identifies variables associated with reaching moderate intensity, and evaluates how walking cadence intensity should be measured, but the main purpose is to report the interventions that have been attempted to prescribe walking cadence to increase time spent at moderate intensity or other outcomes for adults and older adults...
2017: Journal of Sports Medicine (Hindawi Publishing Corporation)
https://www.readbyqxmd.com/read/28458759/effect-of-metronome-rates-on-the-quality-of-bag-mask-ventilation-during-metronome-guided-30-2-cardiopulmonary-resuscitation-a-randomized-simulation-study
#17
Ji Ung Na, Sang Kuk Han, Pil Cho Choi, Dong Hyuk Shin
BACKGROUND: Metronome guidance is a feasible and effective feedback technique to improve the quality of cardiopulmonary resuscitation (CPR). The rate of the metronome should be set between 100 to 120 ticks/minute and the speed of ventilation may have crucial effect on the quality of ventilation. We compared three different metronome rates (100, 110, 120 ticks/minute) to investigate its effect on the quality of ventilation during metronome-guided 30:2 CPR. METHODS: This is a prospective, randomized, crossover observational study using a RespiTrainer○(r)...
2017: World Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28453419/metaliteracy-in-practice-edited-by-trudi-e-jacobson-and-thomas-p-mackey
#18
Cadence Atchinson
No abstract text is available yet for this article.
April 2017: Medical Reference Services Quarterly
https://www.readbyqxmd.com/read/28445854/balance-training-in-individuals-with-parkinson-s-disease-therapist-supervised-vs-home-based-exercise-programme
#19
Elizabeth Maria Atterbury, Karen Estelle Welman
BACKGROUND: Poor locomotion and balance in Parkinson's disease (PD) often diminishes independence. Accordingly, gait is considered one of the most relevant rehabilitation outcomes, and home-based balance exercises might be a viable mode of exercise delivery for individuals with PD. However, research on PD interventions rarely indicate best practices to deliver exercises. Therefore, this study endeavoured to compare the efficacy of a home-based and therapist-supervised balance programme on gait parameters, dynamic balance, balance confidence and motivation in individuals diagnosed with PD...
April 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28441164/information-acquisition-differences-between-experienced-and-novice-time-trial-cyclists
#20
Manhal Boya, Tom Foulsham, Florentina Hettinga, David Parry, Emily Williams, Hollie Jones, Andrew Sparks, David Marchant, Paul Ellison, Craig Bridge, Lars McNaughton, Dominic Micklewright
PURPOSE: To use eye-tracking technology to directly compare information acquisition behavior of experienced and novice cyclists during a self-paced 10 mile (16.1 km) time-trial. METHOD: Two groups of novice (N=10) and experienced cyclists (N=10) performed a 10-mile self-paced time-trial (TT) on two separate occasions during which a number of feedback variables (speed, distance, power output, cadence, heart rate, and time) were projected within their view. A large RPE scale was also presented next to the projected information and participants...
April 25, 2017: Medicine and Science in Sports and Exercise
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