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Results 401 - 450 of 623
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Reed J - - 1998
BACKGROUND: This study examined the effects of aerobic fitness and exercise history on self-reported affect during and after acute aerobic exercise and quite reading. METHODS: Active and sedentary participants (N = 41) reported their psychological affect during two separate conditions in a counterbalanced design: (1) exercise on a cycle ergometer ...
Grant S - - 1998
The aim of this study was to compare the exercise intensity and rating of perceived exertion (RPE) of a high-impact (HIP) and a low-impact (LIP) university aerobic dance session. Ten women [mean (SD) age 22.9 (2.6) years] took part in the study. An incremental treadmill test was performed by each ...
Arcelin R - - 1998
The aim of the present study was to examine the effects of an exercise of moderate intensity (60% of maximal aerobic power) on specific information-processing mechanisms. 22 students completed 3 10-min. exercise bouts on a bicycle ergometer. Concomitantly, participants performed six manual-choice-reaction tasks manipulating task variables (Signal Intensity, Stimulus-Response Compatibility, ...
Ewart C K - - 1998
OBJECTIVES: This study evaluated the effects of aerobic exercise physical education on blood pressure in high-risk, predominantly African-American, adolescent girls. METHODS: Ninth-grade girls (n = 99) with blood pressure above the 67th percentile were randomized to 1 semester of aerobic exercise classes or standard physical education classes. RESULT: The study ...
Suskin N - - 1998
PURPOSE: To examine the relationship between clinical workload and aerobic fitness. METHODS: Twenty healthy intern and resident volunteers were studied in a cross over manner to compare their aerobic fitness after a 1 month "easy" clinical rotation (ECR) to that after a 1 month "hard" clinical rotation (HCR). The ECR ...
Shimamoto H - - 1998
The purpose of this study was to test the hypothesis that a low impact aerobic dance is a useful exercise mode for weight loss in obese middle-aged women. Sixty Japanese women, aged 50.9 +/- 6.7 years (initial %fat = 35.2 +/- 5.3%), participated in our 3-month weight-loss program consisting of ...
Neder J A - - 1998
In the evaluation of exercise intolerance of patients with respiratory diseases the American Medical Association (AMA) and the American Thoracic Society (ATS) have proposed similar classification for rating aerobic impairment using maximum oxygen uptake (VO2max) normalized for total body weight (ml min-1 kg-1). However, subjects with the same VO2max weight-corrected ...
Taivassalo T - - 1998
We studied the physiologic adaptation of patients with mitochondrial myopathies to aerobic training. Ten patients underwent individually supervised, moderate-intensity aerobic training on a treadmill for 8 weeks. Biochemical and functional measures improved with training. Estimated aerobic capacity increased by 30%. Blood lactate concentrations at rest and after exercise decreased by ...
Tsorbatzoudis H - - 1998
To investigate the effect of physical exertion on simple reaction time and continuous attention of sport participants, an experiment was conducted with 46 male university students and 12 male cyclists. The subjects were assigned to three experimental and two control groups. The subjects of the experimental groups were asked to ...
Shah A R - - 1998
We examined aerobic and anaerobic exercise performance in 17 subjects with cystic fibrosis (CF) (age 25+/-10 [SD] yr; 47% females; FEV1 62+/-21% pred) and 17 age- and sex-matched control subjects (age 25+/-8 [SD] yr; 41% females; FEV1 112+/-15% pred) in relation to pulmonary function and nutritional status. Aerobic capacity was ...
Deschenes M R - - 1998
Previous studies investigating the impact of circadian rhythms on physiological variables during exercise have yielded conflicting results. The purpose of the present investigation was to examine maximal aerobic exercise performance, as well as the physiological and psychophysiological responses to exercise, at four different intervals (0800 hours, 1200 hours, 1600 hours, ...
Stringer W W - - 1998
PURPOSE: Thirty four HIV+ patients participated in a 6-wk aerobic exercise training program to determine whether exercise improved aerobic fitness, immune indices, and quality of life. METHODS: Subjects were assigned to three groups: control (no regular aerobic exercise), moderate exercise, and heavy exercise training. At study entry and exit (in ...
Miles C - - 1998
In a free recall experiment, participants learned lists of words in two physiological states: at rest and while exercising aerobically on a bicycle ergometer. Recall of the words was required in either the state consistent with learning or in the alternative state. Word lists learned during aerobic exercise were recalled ...
Duey W J - - 1998
Physical inactivity, a primary risk factor for cardiovascular disease, is more prevalent within the African-American population. Unfortunately, only a few investigators have documented the effects of exercise training studies on cardiovascular fitness in this cohort. Therefore, the purpose of this study was to examine the effects of a six-week endurance ...
Tokmakova M - - 1998
Dyspnea on exertion and exercise intolerance are common problems in many conditions and diseases. Cardiopulmonary exercise testing makes possible to assess the exercise response in patients with abnormalities which are either underestimated or not detectable at rest. The method permits simultaneous assessment of circulatory and ventilatory reserves and can determine ...
Cahill B R - - 1997
The anaerobic energy system is involved in providing energy for all forms of physical activity. The relevance of this system to human performance and physical fitness throughout the age spectrum is underscored here and contrasted with the aerobic energy system. The anaerobic system responds to high-intensity training with biochemical, neural, ...
Marques-Magallanes J A - - 1997
Habitual smoking of alkaloidal cocaine (crack) has been reported to be associated with a number of cardiopulmonary complications that may not be clinically obvious but could potentially interfere with normal physiologic responses to exercise and thus impair maximum exercise performance. To evaluate the impact of regular use of cocaine on ...
Engels H J - - 1997
OBJECTIVE: To assess the effects of chronic supplementation with two different dosages of Panax ginseng C.A. Meyer on physiologic and psychological responses during graded maximal aerobic exercise. DESIGN: Randomized, double-blind, placebo-controlled trial. SUBJECTS: Thirty-six healthy men consuming an otherwise supplement-free diet who maintained their usual activity level. INTERVENTION: A standardized ...
Mulla N - - 1997
Exercise capacity and the causes of its limitation following repair of tetralogy of Fallot have been studied in heterogeneous populations. Study populations have been grouped together regardless of the type of repair and residual hemodynamic abnormalities. To better understand the factors limiting aerobic exercise capacity in patients repaired with a ...
Fielding R A - - 1997
The reproducibility of the Bruce exercise test protocol for the determination of maximal aerobic activity was evaluated in sedentary older women. Seventeen women between the ages of 51 and 68 yr performed five maximal graded exercise tests to volitional fatigue on a treadmill. VO2max (mL.kg-1.min-1) values averaged 27.5 +/- 1.1; ...
Neuberger G B - - 1997
The effects of 12 weeks of low-impact aerobic exercise on fatigue, aerobic fitness, and disease activity were examined in a quasi-experimental time series study of 25 adults with rheumatoid arthritis (RA). Measures were obtained preintervention, midtreatment (after 6 weeks of exercise), end of treatment (after 12 weeks of exercise), and ...
Rodas G - - 1997
1. The power of the aerobic metabolic pathway correlates well with successful physical performance in endurance sports events. The ability to alter the pathway through training presents well-known limitations, and consequently a good genetic endowment is essential to participate in elite sporting activities. 2. In 32 subjects (16 healthy pairs ...
Hepple R T - - 1997
Both aerobic training (AT) and resistance training (RT) may increase aerobic power (VO2peak) in the older population; however, the role of changes in the capillary supply in this response has not been evaluated. Twenty healthy men (age 65-74 yr) engaged in either 9 wk of lower body RT followed by ...
Bell G J - - 1997
This investigation examined the relationship between several different aerobic fitness test results and measurements of metabolic recovery from intermittent, high-intensity exercise in 16 male cyclists. No significant correlations were found between maximal oxygen consumption, ventilation threshold, various submaximal endurance measures and the rate of metabolic recovery, net excess postexercise oxygen ...
Broocks A - - 1997
Exercise habits and indices of aerobic fitness as measured by spiroergometric testing were examined in 38 patients with panic disorder and/or agoraphobia and 24 untrained healthy controls. Maximal oxygen consumption, maximal power output and the power output at a lactate concentration of 4 mmol/l were significantly reduced in the patient ...
Fichter J - - 1997
In incremental cardiopulmonary exercise testing, the averaging of data is usually performed to provide group mean data for statistical purposes. They are usually presented as averaged maximum values, or as averaged data at different exercise levels. However, during incremental exercise testing the change in metabolic status may vary between subjects, ...
Smith D A - - 1997
The literature is inconclusive as to the chronic effect of aerobic exercise on resting metabolic rate (RMR), and furthermore there is a scarcity of data on young women. Thirty-four young women exhibiting a wide range of aerobic fitness [maximum aerobic power (VO2max) = 32.3-64.8 ml.kg-1.min-1] were accordingly measured for RMR ...
Copeland S R - - 1996
Previous studies suggest that aerobic exercise lowers blood pressure (BP), while isometric exercise increases BP, at least transiently. The purpose of this study was to examine the hemodynamic effect of a 6-week training period of aerobic exercise or weight training. Twenty deconditioned healthy males ages 18-36, self-selected a training regimen. ...
Ades P A - - 1996
BACKGROUND: Older coronary patients suffer from a low functional capacity and high rates of disability. Supervised exercise programs improve aerobic capacity in middle-aged coronary patients by improving both cardiac output and peripheral extraction of oxygen. Physiological adaptations to aerobic conditioning, however, have not been well studied in older coronary patients. ...
Taivassalo T - - 1996
There is no generally effective therapy for mitochondrial myopathies. In this study, we measured responses to combined aerobic training and oral dichloroacetate (DCA) therapy in a 25-year-old woman with a mitochondrial myopathy caused by cytochrome oxidase deficiency. The patient trained for 14 weeks, and DCA therapy was begun after 8 ...
Ogita F - - 1996
In the present study, we determined both anaerobic capacity (the maximal accumulated oxygen deficit) and maximal oxygen uptake (VO2max) during arm stroke (A), leg kicking (K), and whole body swimming (S), and compared them. The subjects were six trained college swimmers (two male and four female), aged 20 +/- 1 ...
Adiputra N - - 1996
The maximum aerobic capacity can be used to predict the maximum working capacity. The maximum working capacity plays an important role in achieving the best performance. Therefore, physical fitness program for maintaining maximum working capacity is a must. A study on the application of Balinese dance exercise was carried out. ...
Martin L - - 1996
OBJECTIVE: To assess the utility of an exercise program, which included aerobic, flexibility and strengthening elements, in the treatment of fibromyalgia (FM). FM is a chronic musculoskeletal condition characterized by diffuse musculoskeletal pain and aching. It has been suggested that aerobic exercise is helpful in its treatment. METHODS: We studied ...
Potempa K - - 1996
The debilitating loss of function after a stroke has both primary and secondary effects on sensorimotor function. Primary effects include paresis, paralysis, spasticity, and sensory-perceptual dysfunction due to upper motor neuron damage. Secondary effects, contractures and disuse muscle atrophy, are also debilitating. This paper presents theoretical and empirical benefits of ...
Coyer J A - - 1996
Molecular and immunological techniques were used to examine N2 fixation in a ubiquitous heterotrophic marine bacterium, the facultative anaerobic Vibrio natriegens. When batch cultures were shifted from aerobic N-replete to anaerobic N-deplete conditions, transcriptional and post-translational regulation of N2 fixation was observed. Levels of nifHDK mRNA encoding the nitrogenase enzyme ...
Wright N C - - 1996
OBJECTIVE: Poor cardiorespiratory endurance is a common finding in neuromuscular disease (NMD), and the capacity of such patients to respond to aerobic training is unclear. This study was conducted to determine if a 12-week walking program results in increased aerobic capacity in slowly progressive NMD subjects, whether such a program ...
Biswas D A - - 1996
The data from the study reveals the normal cardiopulmonary responses in untrained subjects (18-19 yrs) and their aerobic power. Fifty male medical students in the given age group were selected for the study. They were subjected to moderate, predetermined, graded exercise on a bicycle ergograph and parameters like heart-rate, blood ...
McMurray R G - - 1996
This study examined the plasma glucose, free fatty acids (NEFA), lactate, triglyceride, cortisol, and insulin responses of pregnant women (22-28 wk) to a 40-min aerobic dance program and 40-min treadmill walking at similar heart rate intensities. The heart rates during exercise averaged 135 +/- 5 bt.min-1 for both trials. Immediate ...
Gaiga M C - - 1995
The effects of a 9-week aerobic interval training program on anaerobic intermittent performance were investigated. Intermittent work consisted of four repeat 30-sec maximal efforts on a cycle ergometer (Wingate test) with 3-min recovery intervals. Thirteen men trained 3 days a week on the cycle ergometer, completing 3-min work-to-rest intervals and ...
Bussières L M - - 1995
BACKGROUND AND METHODS: To evaluate the physiologic basis for the suboptimal peak oxygen uptake observed after heart transplantation, we calculated the functional aerobic impairment ([(peak predicted oxygen uptake-peak observed oxygen uptake)/peak predicted oxygen uptake] x 100) and related it to donor/recipient, operative, and maximal exercise variables. Fifty-seven heart transplant recipients ...
Schaeffer S A - - 1995
The relationship between ratings of perceived exertion (RPE) and metabolic responses was examined during aerobic dance exercise with combined arm and leg movements. 16 women with previous aerobic dance instructional experience performed three consecutive trials of 8 min. each of aerobic dance exercise at a cadence of 124 and 138 ...
Darby L A - - 1995
The physiological responses to aerobic dance exercise of varied impact (high, low), step (less arm movement vs. more arm movement), and cadence (124 vs. 138 beats.min-1) were investigated. Experienced, female aerobic dancers (N = 16) performed activities that combined the levels of impact and step for 3 trials of 8-min ...
Fontaine K R - - 1995
This study investigated the effects of generalized and domain-specific expectancies on participation in 8 weeks of step aerobic-exercise classes. 154 university students and staff who registered for step aerobic classes completed measures of aerobic self-efficacy and dispositional optimism prior to attending their first class. Attendance was taken at each session ...
Hackney A C - - 1995
This study examined the effects of equal anaerobic and aerobic total work outputs on the relationship between reproductive hormones in men. Nine subjects performed three randomized trials on separate days: (1) 1 h period of rest (control), (2) 1 h continuous aerobic exercise (65% VO2 max), and (3) 1 h ...
Coyle C P - - 1995
OBJECTIVE: To test the effects of aerobic exercise on fitness and psychological health of adults with physical disabilities. DESIGN: Nonrandomized control trial with before-after testing. SETTING: Predata and postdata were collected at a clinical research center. Exercise occurred at home or at a community center. PARTICIPANTS: A volunteer sample of ...
McMurray R G - - 1995
The purpose of this study was to compare the physiologic responses to low-impact aerobics using treadmill walking as a control. Ten pregnant women between 21 and 28 weeks of gestation completed 40 minutes of low-impact aerobic dance. The maternal and fetal responses were then compared to 40 minutes of walking ...
Estivill M - - 1995
An ethnographic analysis of aerobic dance exercise culture was conducted to determine the impact of the culture on the mind-body connection. After a review of the predominant theories on the relationship between vigorous exercise and elevated mood, aerobic dance participants' experiences are reported to illustrate how cognitive experience and self-esteem ...
Palmer J A - - 1995
This experiment investigated the effects of three types of structured exercise (aerobics, bodybuilding, and circuit training) on depressive symptoms of 45 clients undergoing a 4-wk., inpatient rehabilitation program for substance abuse. Pre- and posttest measures included the Center of Epidemiological Studies--Depression, resting pulse rate, blood pressure, maximum strength on incline ...
Antonutto G - - 1995
The anaerobic threshold (AT) is a widely used tool for investigating aerobic performance characteristics in physiological of pathological conditions. The aim of the present paper is to show that, when the lactate concentration in blood [Lab] is constant in time, regardless of its absolute level, the whole body energy sources ...
Gastin P B - - 1995
Two studies were conducted to test the validity of an all-out procedure for the assessment of the maximal accumulated oxygen deficit (AOD). Subjects in study 1 (N = 9; VO2max = 57 +/- 3 ml.kg-1.min-1 [+/- SEM]) completed three supramaximal efforts on a cycle ergometer. Exhaustive exercise during an all-out ...
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