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Purser Jama L - - 2003
BACKGROUND: Current theory about how an older adult's leg strength influences walking speed is based primarily on nonlinear patterns of association observed in cross-sectional data. Compared with adults with normal or high levels of leg muscle strength, weak older adults are thought to have a greater capacity for functional change ...
Lin-Chan Suh-Jen - - 2003
OBJECTIVES: To determine the effect of 3 prosthetic mass conditions on selected physiologic responses during multiple speed treadmill walking in persons with transtibial amputation. DESIGN: A repeated-measures design for 3 prosthetic mass conditions and 5 walking speeds. SETTING: University research laboratory. PARTICIPANTS: Eight ambulatory men with unilateral traumatic transtibial amputation. ...
Kelly Joanna O - - 2003
OBJECTIVES: To evaluate the cardiorespiratory fitness of subacute stroke patients and to determine whether reduced fitness is associated with gait performance. DESIGN: Descriptive, cross-sectional study. SETTING: Rehabilitation hospital. PARTICIPANTS: Seventeen patients in an inpatient rehabilitation unit who had mild to moderate gait impairments after a recent (< or =7wk) stroke. ...
Brooks Dina - - 2003
In this study, we examined the effects of music on the dyspnea and anxiety experienced by people with chronic obstructive pulmonary disease (COPD) when they are walking. A crossover design was used. Patients walked for 10 minutes without music and for 10 minutes while listening to music. The order of ...
Iwashita Soh - - 2003
PURPOSE: We tested the suitability of triaxial accelerometry to evaluate walking efficiency in older subjects. METHODS: First, we verified the accuracy to estimate the oxygen consumption rate (.VO2, mL.min-1) from the total impulse (Itotal, N.min-1), the square root of summed accelerations of each direction, during graded walking on a flat ...
Kawashima N - - 2003
Comparative study of the effectiveness of walking exercise with a newly developed gait orthosis, the weight-bearing control (WBC) orthosis, for thoracic level of paraplegic patients. To test its feasibility as a rehabilitation alternative for paraplegic patients, the energy consumption and cost during walking with WBC were calculated and compared with ...
Kao James C - - 2003
The HKB model (H. Haken, J. A. S. Kelso, & H. Bunz, 1985) of coordination has been predominantly applied to upper extremity stationary movements. It predicts increased variability of relative phase before a transition and a decrease after a transition. The authors of the present study extended the intralimb lower ...
Alon Gad - - 2003
The majority of stroke survivors continue to suffer residual functional deficits due to weakness and inadequate motor control of their paretic muscles. Non-invasive functional electrical stimulation has been limited to stimulation of only 1-2 muscle groups. The purpose of this study was to test if the use of a multi-segment ...
Coronado Marcos - - 2003
PURPOSE: Activity monitoring is considered a highly relevant outcome measure of respiratory rehabilitation. This study aimed to assess the usefulness of a new accelerometric method for characterization of walking activity during a 3-week inpatient rehabilitation program. METHODS: After individual calibration of the accelerometer at different walking speeds, whole-day physical activity ...
Schaafsma Joanna D - - 2003
OBJECTIVES: Patients with Parkinson's disease (PD) have an increased risk of falling that has yet to be fully explained. To better understand the gait disturbance in PD and the factors that contribute to falls, we quantitatively evaluated: (1) the relationship between gait variability (a marker of fall risk in other ...
Hwang Ing-Shiou - - 2003
This study quantified the performance variability and effect of rail support on the ankle joint for normal and hemiparetic subjects during treadmill walking. Muscle activities of the anterior tibialis (TA) and medial gastrocnemius (MG) from six hemiparetic patients and 14 healthy subjects were assessed with EMG linear envelope and variance ...
Terblanche Elmarie - - 2003
Although the metabolic transition speed for forward exercise has already been determined, the walk-run transition speed for backward exercise has not been investigated before. The aim of this study was to determine the speed at which it becomes metabolically more efficient to run backwards than to walk backwards. Eighteen healthy ...
Ardigò L P - - 2003
On level ground, cycling is more economical than running, which in turn is more economical than walking in the high speed range. This paper investigates whether this ranking still holds when moving on a gradient, where the three modes are expected to be mainly facing the same burden, i.e. to ...
Legg S J - - 2003
Subjective perceptual methods have provided useful information in the laboratory about small differences in backpack design when physiological and biomechanical comparisons are ineffective, but have never been used in the field. This study therefore evaluated, in a controlled field trial with 10 male participants, the suitability of quantitative and qualitative ...
Marconi Claudio - - 2003
The energy cost of walking (at 3.2 km x h(-1)) per unit distance (J x kg(-1) x m(-1)) at gradients of 0%, +7%, and +12% and during a progressive test (2% increase in gradient every 2 min), as well as the overall (aerobic plus anaerobic) net cumulative energy consumption and ...
Franceschini Marco - - 2003
OBJECTIVE: To assess the effect of an ankle-foot orthosis on the gait and energy parameters of walking in chronic hemiparetic subjects. DESIGN: With/without group comparison. SETTING: Consecutive patients recruited from the gait analysis laboratory of our rehabilitation department. SUBJECTS: A group of nine chronic hemiparetic patients, with the same gait ...
Ethier Christian C Department of Anatomy and Physiology, Centre de Recherche Université Laval-Robert Giffard, Québec, G1J 2G3, - - 2003
In a recent paper it was claimed that in the majority (9/15) of subjects studied the soleus H-reflex increases progressively during the swing phase of walking. This pattern was at odds with our numerous observations made since 1986, as was the very large proportion of subjects reported to exhibit this ...
Zhang Jian-Guo - - 2003
The relationships among walk steps, exercise habits and peak oxygen consumption (VO2peak), ventilatory threshold (VT) and leg extension power (LEP) were examined in 709 apparently healthy Japanese subjects (male 372, female 337) aged 30-69 years. Walk steps were evaluated using a pedometer. VO2peak and VT were assessed by a cycle ...
Chin Takaaki - - 2003
OBJECTIVE: To make a comparative study of energy expenditure and walking speeds between able-bodied people and young Intelligent Prosthesis (IP) users and to demonstrate the effect of IP on the walking ability of young amputees. DESIGN: The test subjects were eight young traumatic transfemoral amputees. Fourteen able-bodied persons served as ...
Moloney E D - - 2003
The shuttle walk test (SWT) is a validated, incremental walking test for chronic obstructive pulmonary disease, but not for idiopathic pulmonary fibrosis (IPF). The measurement of maximal oxygen consumption (VO2 max) is considered to be the gold standard measurement of functional capacity. This study examines the relationship between IPF patients' ...
Minetti Alberto E - - 2003
A novel apparatus, composed by a controllable treadmill, a computer, and an ultrasonic range finder, is here proposed to help investigation of many aspects of spontaneous locomotion. The acceleration or deceleration of the subject, detected by the sensor and processed by the computer, is used to accelerate or decelerate the ...
Eiser N - - 2003
In COPD, several walking tests have been proposed to measure exercise tolerance but their relative merits are uncertain. We studied 57 moderate-to-severe, stable COPD patients (mean FEV1 35 +/- 12% predicted). Within a 2-month period, we compared reliability (inter-subject variability) and repeatability (intra-subject variability) of the most widely used 6-min ...
Nolan Lee - - 2003
Gait initiation from toe-standing is common in patients with upper motor neurone (UMN) pathology as well as in able-bodied subjects during certain dance and athletic situations. It is unclear whether balance problems in patients who toe-walk are due to the underlying pathology, or due to initiating gait from toe-standing. The ...
Fujishima Kazutaka - - 2003
The purpose of this study was to clarify the characteristics of the physiological response that occurs while walking in water and on land at an exercise intensity based on the rating of perceived exertion (RPE) in elderly men. Nine elderly men ranging from 66-70 years of age participated in this ...
Han Tai Ryoon - - 2003
OBJECTIVE: To evaluate the gait patterns of lower limb amputee patients walking with and without shoes and to identify differences in barefoot gait patterns when using different prosthetic feet. DESIGN: Optoelectronic three-dimensional motion analysis of gait was performed on six transtibial amputees using a solid ankle cushion heel foot and ...
Ibegbuna Veronica - - 2003
Venous hemodynamics evaluated during walking better reflect changes that occur under active physiologic conditions than do conventional static modes of exercise such as tip-toe exercise, knee bending, or dorsiflexion. We prospectively studied the efficacy of air-plethysmography (APG) in monitoring venous hemodynamics during ambulation, and with this method we determined the ...
Van Vaerenbergh Jozef - - 2003
The advanced stage of Parkinson's disease (PD) is characterised by complex movement disturbances including freezing. Because freezing is resistant to drug therapy, there has recently been renewed interest in non-pharmacological treatment programmes. In this study the effect of rotational stimulation on freezing was investigated. Eight patients with idiopathic PD and ...
Hutton William C - - 2003
BACKGROUND: Nutrition to the cells in the disc is partly dependent on fluid flowing out during the day and flowing in during bed rest. In spaceflight there are little or no such diurnal changes, since the gravitational load is essentially zero. HYPOTHESIS: The questions we asked were: 1) How much ...
LaFiandra M - - 2003
To determine the effects of load carriage and walking speed on stride parameters and the coordination of trunk movements, 12 subjects walked on a treadmill at a range of walking speeds (0.6-1.6 m s(-1)) with and without a backpack containing 40% of their body mass. It was hypothesized that compared ...
Agarwal Sanjeev - - 2003
OBJECTIVE: To assess the safety and effectiveness of long-term use of functional electrical stimulation (FES) for exercise, standing, and walking in individuals with paraplegia, using percutaneous intramuscular wire electrodes. DESIGN: Case study with more than 17 years of follow-up. SETTING: Institutional rehabilitation practice. STUDY PARTICIPANTS: Two long-term (17 years) volunteer ...
da Cunha-Filho Inácio Teixeira IT Physical Therapy Department, UNIBH Minas Grerais, - - 2003
This study assessed the reliability of gait performance with concurrent measures of oxygen consumption (VO2) in stroke survivors (SS). Nine male SS (60.00 +/- 15.08 yr) had a recent history of stroke (44.56 +/- 51.35 days since the stroke) and were receiving rehabilitation. Four had a right cerebrovascular accident (CVA), ...
Gottschall Jinger S - - 2003
We reasoned that with an optimal aiding horizontal force, the reduction in metabolic rate would reflect the cost of generating propulsive forces during normal walking. Furthermore, the reductions in ankle extensor electromyographic (EMG) activity would indicate the propulsive muscle actions. We applied horizontal forces at the waist, ranging from 15% ...
Yiğiter K - - 2002
Reports in the rehabilitation literature suggest that patients with trans-femoral amputation ambulate well after suitable prosthetic treatment. The effects of exercise protocols on function, however, have not been documented in this population. This study was conducted to compare the outcome of traditional and proprioceptive neuromuscular facilitation (PNF) techniques on weight ...
Gill Jason M R - - 2002
In this study, we examined the effects of 1 and 2 h of brisk walking on post-prandial metabolism. Eleven pre-menopausal women participated in three oral fat tolerance tests with different pre-conditions: control (no exercise), 1 h walk (1 h of walking at 50% maximal oxygen uptake, VO2max, on the day ...
Quell Kristen J - - 2002
Walking is the most common aerobic training modality utilized in cardiac rehabilitation programs. However, it remains unclear whether or not brisk walking is of a sufficient intensity to improve aerobic fitness in this population. In this study, we investigated whether men and women with coronary artery disease can achieve an ...
Ward S - - 2002
We tested the hypotheses that the relationship between heart rate (fH) and the rate of oxygen consumption ((O(2))) differs between walking and flying in geese and that fH and (O(2)) have a U-shaped relationship with flight speed. We trained barnacle geese Branta leucopsis (mean mass 2.1 kg) and bar-headed geese ...
Wang Allan W - - 2002
OBJECTIVE: Patients with endstage hip arthritis have poor ambulatory function. The aim of this study was to determine if perioperative exercise programs are well tolerated by these elderly patients and if a customized program can achieve an earlier recovery of normal ambulatory function after total hip arthroplasty. DESIGN: Twenty-eight subjects ...
Campbell Kristin L - - 2002
PURPOSE: To investigate the use of Tritrac accelerometers to measure energy expenditure (EE) of various activities for women in the field setting, as compared with portable indirect calorimetry. METHODS: Twenty women (age 20-29) performed a choreographed routine of six activities (walking, jogging, stair climbing, walking on an incline, stationary cycling, ...
Murtagh Elaine M - - 2002
BACKGROUND: Brisk walking has been identified as an activity suited to meet American College of Sport Medicine/Centers for Disease Control and Prevention recommendations for moderate intensity exercise (55-69% HR(max), 40-59% VO(2)R). However, little is known about whether recreational walkers self-select a pace which elicits this intensity and how they interpret ...
Takahashi T - - 2002
It has been reported that a small decrease in the strain in the superficial digital flexor tendon (SDFT) occurs if the toe is raised during walking. Although walking on a slope appears similar to raising the toe, it is unclear whether uphill exercise decreases the strain in the SDFT. Because ...
Li Li - - 2002
The purpose of the study was to examine the vertical ground reaction force component when approaching the gait transition point from either a walk-to-run or run-to-walk perspective. The vertical ground reaction forces (VGRF) of five steps before gait transitions for both walk-to-run and run-to-walk were collected on a motor driven ...
Church Timothy S - - 2002
This study compared the physiological responses (oxygen consumption and energy expenditure) of Nordic Walking to regular walking under field-testing conditions. Eleven women (M age = 27.1 years, SD = 6.4) and 11 men (M age = 33.8 years, SD = 9.0) walked 1,600 m with and without walking poles on ...
Tseh Wayland - - 2002
The primary focus of this investigation was to determine whether differences exist between the preferred transition speed (PTS) and the energetically optimal transition speed (EOTS) in a group of adolescents. Ten 11-, ten 13-, and ten 15-year-olds completed four testing sessions. Following 30 min of accommodation to treadmill walking and ...
Yokoyama Yumiko - - 2002
To assess the validity of accelerometry in measuring daily physical activity, the energy consumption calculated by accelerometry, with respiratory gas analysis as a reference, was evaluated in 45 non-athletes during various exercise tests. Subjects were required to (1) walk on a treadmill ergometer at various speeds, (2) walk on a ...
Solway Sherra - - 2002
STUDY OBJECTIVES: This study was conducted to examine the short-term effects of using a rollator on functional exercise capacity among individuals with COPD and to characterize which individuals benefit most from its use. DESIGN: Repeated-measures randomized crossover design using the 6-min walk test (6MWT) as the primary outcome measure. SETTING: ...
McCrory Jean L - - 2002
BACKGROUND: When an astronaut walks or runs on a treadmill in microgravity, a subject load device (SLD) is used to return him or her back to the treadmill belt. The gravity replacement load (GRL) in the SLD is transferred, via a harness, to the pelvis and/or the shoulders. This research ...
Muir G D - - 2002
We have previously demonstrated that, even though chicks are very precocial and can locomote within hours of hatching, they require a period of time to develop a mature stable walk. As an example, 1- to 2-day-old animals move with disproportionately small stride lengths compared with 10- to 14-day-old animals. The ...
Chow Daniel H K - - 2002
Ten subjects performed a horizontal pulling task with sudden release for three randomly allocated loads of 20, 40, and 60 N to examine the effect of sudden release load on centre of pressure (COP) motion and the response strategy with respect to load, and also to determine critical loads at ...
Monger Claire - - 2002
OBJECTIVE: To investigate the feasibility and efficacy of a task-specific home-based exercise protocol for improving sit-to-stand (STS), with additional exercises to strengthen lower limb extensor muscles in patients with chronic stroke. DESIGN: A pre-test, post-test design was used. SUBJECTS: Six subjects at least one year post stroke and discharged from ...
Mauritz K-H - - 2002
Restoration of gait is a major goal in neurological rehabilitation. Before starting therapy, a comprehensive assessment is necessary to evaluate the deficits and remaining functions. A wide variety of therapeutic procedures are available and have to be adapted to the individual situation - different concepts of physiotherapy stress different features ...
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