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Results 701 - 750 of 917
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Mahon A D - - 1995
The purpose of this study was to examine the rating of perceived exertion (RPE) at maximal exercise in children performing three different graded exercise tests on a treadmill. Eighteen children with a mean +/- SD age of 10.3 +/- 1.4 years volunteered for this study. Each subject performed three different ...
Lombard D N - - 1995
This study assessed the effects of frequency of prompting (phone calls once a week versus once every 3 weeks) and structure of prompting (high versus low structure) in 135 participants (132 women and 3 men) in a walking program designed to meet the American College of Sports Medicine's cardiovascular exercise ...
Blumberg-Feldman H - - 1995
During the first two postnatal weeks, Wagner's gerbil (Gerbillus dasyurus) pups employed stepping sequences considered to be more basic than in the later stages of development and displayed alternate stepping of the legs in each girdle. In the third postnatal week, the adult mode of locomotion, the bound, became prominent ...
Qureshi I A - - 1995
BACKGROUND: Previous studies have shown a reduction in intraocular pressure (IOP) from many means of exertion, ranging from walking to exhausting exercise in both normal and glaucoma subjects. The variability in their results may be due to several variables that can affect IOP significantly. PURPOSE: To investigate the effects of ...
Ishikawa K - - 1995
A comparative study on gait analysis comprising 11 patients with vestibular neuronitis and 10 patients with large acoustic neuroma was undertaken by the use of foot switches and electromyography. Central disorders in the neuroma group were evidenced by neurotological examinations. Fourteen healthy adults served as controls. Variables employed for the ...
Jørgensen H S - - 1995
Time course and degree of the recovery of walking function after stroke and the influence of initial lower extremity (LE) paresis were studied prospectively in a community-based population of 804 consecutive acute stroke patients. Walking function and degree of LE paresis were assessed weekly using the Barthel index and the ...
Fitts S S - - 1995
The ability to exercise among 20 people with chronic renal failure was assessed on three tests by measuring the distance walked in 6 min, heart rate change from pre-exercise to postexercise and perceived exertion. Test 1 was conducted to minimize practice effects. Ten participants received exercise coaching for 3 mo ...
Stefanyshyn D J - - 1994
The purpose of this pilot investigation was to develop a method to test the influence of specific prosthetic features in preventing trans-tibial amputees from walking like able-bodied subjects. An able-bodied subject was fitted with a patellar-tendon-bearing orthosis incorporating several features of an amputee's prosthesis. Kinetic, kinematic and metabolic data were ...
van Alphen J - - 1994
Entrainment of the breathing rhythm to that of the rhythm of limb movement during exercise has been shown to decrease oxygen consumption for cycling at a moderate workload. This study examined the effect of entrainment on oxygen consumption during treadmill walking at two workloads. For each workload, 8 subjects performed ...
Veldhuizen J W - - 1994
Effects of application of a hinged cast-brace on thigh muscle strength and physical performance tests were studied in eight healthy volunteers. The cast-brace was applied to one leg for four weeks. The subjects were free to move around. The extra loading by the cast-brace was determined in a progressive uphill ...
Keilty S E - - 1994
BACKGROUND: In patients with chronic obstructive pulmonary disease exercise tolerance is commonly limited by breathlessness. These patients have an increased ventilatory load at rest which is exacerbated during exercise. The purpose of this study was to investigate the effect of supporting ventilation by non-invasive inspiratory pressure support (IPS) during submaximal ...
Jones T F - - 1994
OBJECTIVE: To quantify the cost-benefit relationship of walking to prevent coronary heart disease. DESIGN: Cost-benefit analysis. PARTICIPANTS: Hypothetical cohorts of sedentary men and women aged 35 to 74 years. MAIN OUTCOME MEASURES: Decision-analysis simulation was used to evaluate the cost-benefit relationship of walking, varying level of benefit from exercise, frequency ...
Gailey R S - - 1994
The purpose of this investigation was two-fold: 1) to compare the metabolic cost (VO2), heart rate (HR), and self-selected speed of ambulation of trans-tibial amputees (TTAs) with those of non-amputee subjects; and 2) to determine whether a correlation exists between either stump length or prosthesis mass and the energy cost ...
Scheffler P - - 1994
In a randomized open study, the combination of either prostaglandin E1 (PGE1) or pentoxifylline with controlled vascular training was compared with vascular training alone in patients with peripheral arterial occlusive disease in stage IIb. Forty-four patients were randomly assigned to treatment either of intensive vascular training alone (n = 15) ...
Rochester J R - - 1994
A number of problems are associated with investigation of the pathophysiology of peripheral vascular disease (PVD) in humans and unilateral ligation of the common iliac artery in the rat has been extensively used as an experimental model of PVD. However, techniques so far applied to monitor the effects of PVD ...
Nugent J A - - 1994
To supplement a motor relearning approach to rehabilitation for patients following cerebrovascular accident (CVA), a weight-bearing exercise was used that was designed specifically to strengthen the leg extensor muscles to simulate the output required in the single support phase of walking. For patients who were initially able to stand on ...
Ciuffetti G - - 1994
The effects of three months therapy with Pentoxifylline (800 mg three times daily) and physical training were compared in two age- and sex-matched groups of Stage II PAOD patients. Before therapy and after 12 and 13 weeks each patient underwent a standard treadmill test. The maximum walking time, TcPO2 half ...
Michaud T J - - 1994
The intent of this investigation was to determine the intensity of cardiovascular exercise produced by walking while swinging hand-held towels and its potential as a training method. Sixteen healthy college students were the volunteer subjects in this experiment. Each subject performed five randomly ordered trials in which they walked with: ...
Johanson M A - - 1994
BACKGROUND AND PURPOSE: The purpose of this study was to determine the effects of different orthotic posting methods on controlling abnormal foot pronation during ambulation. SUBJECTS: Twenty-two individuals with forefoot varus deformities of at least 8 degrees (13 women, aged 21-40 years, and 9 men, aged 20-50 years) participated in ...
Hawes M R - - 1994
The kinanthropometric aspects of comfort of fit of sport shoes has not been subjected to any great scrutiny. It is suggested that comfort of fit is largely determined by the match of foot shape to shoe shape and consequently there is a need for normative data that describe foot shape, ...
Bernstein M L - - 1994
The purpose of this study was to determine the correlation between different intervals in the 12-min walk test, to determine which of the intervals best correlated with maximal oxygen intake (VO2max) and maximal CO2 expelled (VCO2max) and to determine the degree of correlation between changes in the VO2max and changes ...
Minetti A E - - 1994
The hypothesis that Pygmies may differ from Caucasians in some aspects of the mechanics of locomotion was tested. A total of 13 Pygmies and 7 Caucasians were asked to walk and run on a treadmill at 4-12 km.h-1. Simultaneous metabolic measurements and three-dimensional motion analysis were performed allowing the energy ...
Flynn T W - - 1994
Backward running has long been used in sports conditioning programs and has recently been incorporated into rehabilitative settings as a method of increasing quadriceps strength while decreasing the joint compressive forces about the knee. Although backward locomotion has been studied kinetically, the metabolic cost of backward walking and/or running has ...
Haymes E M - - 1993
The purpose of this study was to examine the accuracy of the Caltrac personal activity computer during walking and running. Ten women and 10 men walked at speeds of 2-5 mph and ran at speeds of 4-8 mph on a horizontal treadmill. Two Caltrac monitors were attached over opposite hips: ...
Prince F - - 1993
Prosthetic feet having new keel configurations were specially designed to store deformation energy during early and midstance and release it at push-off. These prosthetic components display longitudinal symmetry favoring good energy storage/release capability in the sagittal plane. The need for inverters/everters either as independent components or within the foot structure ...
Barnett S L - - 1993
Oxygen consumption during ambulation was measured in 10 normal subjects wearing ankle weights of 0.91 kg, 1.82 kg, and 2.73 kg, either on the right ankle or bilaterally. Subjects walked at self-selected speeds and oxygen consumption was measured over 1-minute intervals during steady-state walking. Oxygen consumption per unit distance and ...
Spelman C C - - 1993
This study assessed self-selected exercise intensity of habitual walkers. Twenty-nine healthy adults (22 females, 7 males; age (mean +/- SD) = 34.9 +/- 8.6 yr) performed a typical exercise walk while walking speed was measured by an unseen observer. On a subsequent occasion, the subjects walked at the same pace ...
Gailey R S - - 1993
Twenty unilateral trans-femoral amputees fitted with either the Contoured Adducted Trochanteric-Controlled Alignment Method (CAT-CAM) socket (n = 10) or the quadrilateral (QUAD) socket (n = 10), and a "non-amputee" control group (n = 10) participated in the study. Subjects meeting the following criteria were studied: healthy males between the ages ...
Winchester P K - - 1993
This study examined the energy cost of ambulation using the reciprocating gait orthosis (RGO) and the modified Isocentric RGO in paraplegic spinal cord injured subjects. In 4 subjects, the rates of O2 consumption per minute, O2 cost per metre, heart rate (HR), respiratory exchange ratio, velocity, and physiologic cost index ...
Shinton R - - 1993
OBJECTIVES: To examine the potential of lifelong patterns of increased physical activity to prevent stroke. DESIGN: Case-control study. SETTING: 11 general practices in west Birmingham. SUBJECTS: 125 men and women who had just had their first stroke and were aged 35-74 and 198 controls frequency matched for age and sex ...
Minzly J - - 1993
A six-channel lightweight, portable and computer-controlled stimulator for the functional activation of paraplegic patients is described. To enable programming of the various functions, the stimulator was designed to work in a remote-control mode hosted by an IBM PC or compatible computer, in addition to its normally used local mode. The ...
Fowler P T - - 1993
In order to measure the energy cost of immobilization of the foot and ankle during ambulation, 14 healthy male volunteers exercised while wearing various immobilization devices. Oxygen consumption, oxygen cost, cardiac output, minute ventilation, heart rate, stroke volume, stride length, and stride frequency were determined at a steady state of ...
Warren B J - - 1993
Cardiorespiratory responses to a 12wk moderate exercise training program were examined in 30 sedentary elderly women (mean age = 73.6 +/- 0.7 yr). In addition, 12 highly conditioned (HC) older women (mean age = 72.5 +/- 1.8 yr; 11.2 +/- 1.2 yr training; 1.6 +/- 0.2 hr.d-1 aerobic activity) were ...
Argue C K - - 1993
The object of this study was to determine the limb support sequence during the transitions from walk to trot and from trot to walk in dressage horses under saddle and to test the null hypothesis that the limb support sequence during the transitions is not related to the level of ...
Zahler L P - - 1993
To compare the cardiovascular and metabolic responses to different exercise modes, ten healthy, elderly men (aged 71.4 +/- 4.2 yr) walked and cycled in the low-sit position for 15 min each at 70% of peak heart rate. Fifteen minutes of recovery separated the exercise bouts. Analysis of expired air was ...
Wanta D M - - 1993
Compared with level walking or running, progressive downhill walking or running requires a decreasing energy cost to some minimum where the cost again increases with further decrements in grade. Margaria estimated this minimum occurs at a -9% grade. In this study an attempt was made to more precisely track the ...
Mak V H - - 1993
BACKGROUND: The effect of exercise induced hypoxaemia in determining submaximal exercise capacity, perceived breathlessness, and perceived exertion is not known. The purpose of this study was to investigate the relation of these variables to the results of lung function tests and the degree of hypoxaemia during submaximal exercise in patients ...
McCulloch M U - - 1993
Research on foot orthotics is primarily restricted to their effect on the lower limb during running. Research is limited, however, on the potential of foot orthotics to control the mechanics of the foot during walking. The purpose of this study was to examine the interactive effect of foot orthotics and ...
Greig C - - 1993
OBJECTIVE: In a preliminary study in our laboratory, healthy elderly people had a higher heart rate during treadmill walking than during corridor walking at the same speed. The objective of this study was to determine whether this initial observation, (1) persisted after repeated testing, (2) was present in younger adults, ...
Woodward M I - - 1993
Exercise is often suggested as a means of reducing the effects of osteoporosis in post-menopausal women. In response to an increase in physical activity, bone mass can be increased and several studies have investigated the effectiveness of different exercises in increasing bone mass. In this study we have attempted to ...
Farley C T - - 1992
On Earth, a person uses about one-half as much energy to walk a mile as to run a mile. On another planet with lower gravity, would walking still be more economical than running? When people carry weights while they walk or run, energetic cost increases in proportion to the added ...
Holden D A - - 1992
To evaluate three types of exercise testing in prediction of death or prolonged mechanical ventilation after lung resection in high-risk patients, 16 patients underwent evaluation prior to resection. Eleven patients (group 1) had minor or no complications (arrhythmia, atelectasis, pneumonia) and five patients (group 2) died within 90 days of ...
Hovell M F - - 1992
This study was designed to identify correlates of change in walking for exercise. Respondents to a random sample mailed exercise survey were asked to complete a follow-up questionnaire 24 months after the first. Responses were obtained from 1,739 adults, reflecting an 86.6% return rate. Nonrespondents did not differ from respondents ...
Dupui P - - 1992
Five volunteers took part in -6 degrees head-down bed-rest experiments for 30 d. In the first experiment, three subjects underwent several sessions of lower-body negative-pressure (LBNP) per day, with two others serving as controls. In the second, the LBNP group of the first experiment became the control and vice versa. ...
Leach R M - - 1992
BACKGROUND: The development of portable liquid oxygen systems, capable of delivering high flow rate oxygen for long periods, justifies reassessment of the value of supplemental oxygen to aid exercise tolerance in patients with chronic respiratory insufficiency. The type of exercise test and the low oxygen flow rates previously used may ...
Henderson S A - - 1992
A prospective cohort study of a twice weekly exercise programme for six months was undertaken to determine the benefits of an exercise class for 28 elderly women following hip surgery. The effects of the exercise programme were monitored using cycle ergometry. Walking speed was measured on entry and at 3, ...
Legg S J - - 1992
Eleven healthy male volunteer soldiers (mean [SD] age 24.0 [2.8] years, stature 174.1 [5.2] cm, body weight 73.2 [10.8] kg, body fat 14.2 [5.0]% and maximal oxygen uptake 4.1 [0.4] 1 min-1) walked at 4.8 km h-1 on a motor driven treadmill for 5 min at each of three gradients ...
Donnelly J E JE Human Performance Laboratory, University of Nebraska-Kearney - - 1992
This study compared peak oxygen consumption estimated from a half mile sub-maximal walk test with oxygen consumption determined from a maximal treadmill test with 96 obese females. A half mile walk was completed as quickly as possible without running. Retests on 71 subjects were completed to determine the reliability of ...
Pinzur M S - - 1992
During a three-year period, 95 adults were treated by lower-extremity amputations for peripheral vascular insufficiency. A multidisciplinary team for presurgical evaluation determined all to be potentially independent walkers with a prosthesis. Patients were graded for level of independent walking before amputation and again at a minimum two-year follow-up examination using ...
Gardner A W - - 1992
Although claudication pain and hemodynamic responses to exercise are usually clinically assessed via graded treadmill walking, measuring these responses to other commonly performed tasks may yield a more nearly complete evaluation of peripheral vascular occlusive disease. Thus, the purpose of this study was twofold: (1) to determine the reliability of ...
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