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Results 551 - 600 of 679
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Amigó N N Unitat de Bioquímica, Facultat de Medicina, Universitat de Barcelona, - - 1998
To study the effect of some weeks of rest on three groups of adolescent soccer players, who had undergone systematic training for eleven months. Retrospective and comparative investigation; duration 4-8 weeks. young amateur players from a Spanish football club were examined at the beginning and at the end of the ...
Christmass M A - - 1998
The aim of this study was to determine exercise intensity and metabolic response during singles tennis play. Techniques for assessment of exercise intensity were studied on-court and in the laboratory. The on-court study required eight State-level tennis players to complete a competitive singles tennis match. During the laboratory study, a ...
Blannin A K - - 1998
The quality and quantity of saliva may be important in defending against pathogens transmitted via the buccal cavity. The aim of the present study was to examine the effect of cycling to exhaustion at moderate and high intensity on various salivary parameters and the time course of recovery. Eighteen male ...
Parlitz D - - 1998
Playing a musical instrument requires complex sensorimotor programming of hand and finger movements. During musical training motor programs are optimized to achieve highest accuracy with a minimum of effort. In the lack of handy measurement tools these rational assumptions of piano theorists did not undergo an experimental evaluation up to ...
Schmid A - - 1998
Spinal cord injury leads to a pronounced reduction of cardiovascular, pulmonary, and metabolic ability. Physical activity, up to and including high-performance sports, has obtained importance in the course of rehabilitation and the postclinical phase. Thirteen elite female wheelchair basketball players from the German National Basketball Team and 10 female sedentary ...
Kirkendall D T - - 1998
Soccer can be played under a wide range of environmental conditions. Traditionally, fluid replacement is limited during the game, but in reality, there are numerous opportunities for fluid ingestion during a match. Many of the recommendations on fluid replenishment have been directed at continuous exercise, and application of those suggestions ...
Viitasalo J T - - 1998
In many sports vertical jumping is important. This study compared neuromuscular functioning of the lower extremity muscles together with some kinetic and kinematic parameters before and during ground contact in drop jumps from two heights [0.4 m (DJ40) and 0.8 m (DJ80)] in 7 highly trained triple-jumpers and 11 physically ...
Adams S R - - 1998
Numerous studies have demonstrated how the performance physiology of fish may change when they are acclimated to designated laboratory temperatures, but few researchers have examined naturally occurring seasonal effects on several physiological parameters associated with swimming performance. Using field-acclimatized smallmouth buffalo (Ictiobus bubalus) collected each season, we report significant seasonal ...
Leuppi J D - - 1998
The prevalence of asthma was studied in a ice hockey team compared with both a floor ball team and the Swiss population. Lung function, bronchial hyperresponsiveness to methacholine, asthma symptoms and exercise-induced asthma were measured in a cross-sectional prospective study. A positive response to the methacholine bronchial provocation test was ...
Filaire E - - 1998
In a group of 20 elite female handball or volleyball players, an evaluation was made of the response to a 4-month training period of cortisol, androstenedione and dehydroepiandrosterone in the saliva. At the beginning of the training programme (W1) and at the 7th (W7) and 16th weeks (W16), hormone concentrations ...
Wisløff U - - 1998
PURPOSE: The major purpose of the present study was to examine whether there exists a relationship between preseasonal physiological tests and performance results in the soccer league. Further, it investigated maximal oxygen uptake and maximal strength in proportion to body mass for soccer players. A secondary aim was to establish ...
Grindstaff P D - - 1997
In a double-blind and randomized manner, 18 male and female junior competitive swimmers supplemented their diets with 21 g.day-1 of creatine monohydrate (Cr) or a maltodextrin placebo (P) for 9 days during training. Prior to and following supplementation, subjects performed three 100-m freestyle sprint swims (long course) with 60 s ...
Ferrauti A - - 1997
OBJECTIVE: To investigate the short term effects of tennis training on lipid metabolism and to find out if a typical tennis training programme has positive longitudinal effects on cardiovascular risk factors in recreational players. METHODS: The experimental design consisted of an exercise study and a subsequent longitudinal study. In the ...
Fowler N E - - 1997
The aim of this study was to compare the changes in stature following the performance of plyometric exercises using drop-jumps and a pendulum swing. Eight male participants aged 21.7 +/- 1.8 years with experience of plyometric training gave their informed consent to act as participants. Participants undertook two exercise regimens ...
Lindekaer A L - - 1997
BACKGROUND: To evaluate treatment of ventricular fibrillation (VF) occurring during anaesthesia and the use of a full-scale simulator, 80 anaesthetists in teams of two were attending a training session in the simulator Sophus. METHODS: The sessions were recorded on videotape and reviewed with the anaesthetists afterwards. Time of treatment and ...
McMorris T - - 1997
Two experiments were carried out to examine the effect of moderate and maximal exercise on the cognitive performance of experienced soccer players. Experiment 1 examined the speed and visual search in familiar (game) and unfamiliar (non-game) contexts. Participants had to detect, as quickly as possible, the presence or absence of ...
Hoffman J R - - 1997
METHODS: There were 14 male soldiers who participated in this study examining the relationship of leg strength and power on landing performance. Subjects were separated into two groups. The first group (E, n = 7) were parachute training instructors and highly experienced in parachute jumping. The second group of subjects ...
Burke L M - - 1997
Team sports require players to perform multiple work bouts at near maximal effort, punctuated with intervals of low intensity exercise or rest for the duration of a game. Such activity patterns are associated with a significant loss of body water which has a negative impact on physical and mental performance, ...
Bosco C - - 1997
The study was designed to investigate the effect of creatine monohydrate ingestion (20 g daily for 5 days) on performance in 45 s maximal continuous jumping and in all-out treadmill running at 20 km x h(-1), (inclination 5 degrees, duration approximately 60s). The participants were qualified sprinters and jumpers. The ...
Jensen J - - 1997
Eight female handball players from the Norwegian national team were tested for maximal oxygen uptake, maximal isometric strength and maximal running velocity on four occasions during a year. The first test (T1) was made at the beginning of the preparation for a new season, the second (T2) in the middle ...
Burke L M - - 1997
Sweat losses during team sports are influenced by the intermittent nature of the work rates (high-intensity exercise interspersed with low-level activity and both formal and informal rest periods), and a high level of inter- and intra-individual variability in workloads. Since many team sports have evolved in countries with cool climates, ...
Bosco C - - 1997
The mechanical behaviour of skeletal muscle is influenced by internal factors (e.g. re-use of elastic energy) and/or external conditions (e.g. floor compliance, shoe structure etc.). These factors have an effect on muscular work economy-this was investigated in the present study. Eight subjects were tested during three different series of jumps. ...
Reilly T - - 1997
Soccer entails intermittent exercise with bouts of short, intense activity punctuating longer periods of low-level, moderate-intensity exercise. High levels of blood lactate may sometimes be observed during a match but the active recovery periods at submaximal exercise levels allow for its removal on a continual basis. While anaerobic efforts are ...
Willíams C A - - 1997
Muscle strength data for sports which have varying demands on the trunk musculature are needed. The purpose of this study was to measure the trunk strength of three different sports groups of male varsity athletes and a recreationally active but nontrained group. Forty-six athletes (soccer: N = 16, Canadian football: ...
Locke S - - 1997
Squash is a moderate to high intensity sport which demands specific fitness. Squash at any level places a high demand on the aerobic system for energy delivery during play and recovery. In addition, the sport requires bursts of intense, anaerobic physical activity involving the lactic anaerobic energy system. Players must ...
Parks P S - - 1997
The purpose of this study was to investigate and compare body image concerns, attitudes toward eating/weight control, and reasons for exercising between two groups of adolescent male athletes--football players (N = 44) and cross-country runners (N = 30). Subjects responded to surveys covering eating attitudes, weight concerns, physical traits, perceived ...
Patla A E - - 1996
A patient (D.F.) who developed visual form agnosia following carbon monoxide-induced anoxia was assessed on three tests designed to measure her sensitivity to obstacle height in a locomotor task. Although her verbal estimates of the height of the obstacles were correlated with their actual height, the slope of the line ...
Zwaan J - - 1996
The use of paint balls, increasingly popular for war games and survival games, has recently been introduced for certain military training exercises. We treated two soldiers who had severe permanent ocular damage after being hit by these balls. Both removed their goggles after their vision was obscured with paint from ...
Larsson B B Team Danmark Test Center, Rigshopitalet, University of Copenhagen, - - 1996
In order to evaluate the physiological profile of elite competitive sailors, and to determine if sailors revealed any seasonal variation in their exercise capacity over a 9 month period, results from female sailors (n = 6), and male sailors ("hikers" n = 8 and "non-hikers" n = 7) were compared ...
Nelson D L - - 1996
Occupationally embedded exercise is a central idea in the profession of occupational therapy. This experiment compared the effect of an occupationally embedded exercise involving a simple dice game with a rote exercise in persons with stroke with pronator spasticity. Both exercise conditions involved bilaterally assisted supination, consistent with the neurodevelopmental ...
Rico-Sanz J - - 1996
The purpose of this study was to test the effect of increased fluid intake on temperature regulation and performance in elite soccer players. Eight players of the Puerto Rico National Team were studied under field conditions at a Wet Bulb Globe Temperature (WBGT) heat stress index of 25.3 +/- 0.5 ...
Kugler J - - 1996
Salivary immunoglobulin A (IgA) secreted by salivary glands is the predominant humoral factor of the local immune system in the oral cavity. Epidemiological studies emphasize the importance of salivary IgA in the protection from infections and caries. This study investigated how excavation of caries lesions affects total salivary IgA concentration. ...
Filaire E - - 1996
The aim of this study was to observe the influence of physical exercise and training on saliva cortisol concentrations in women. Three groups of adult women were studied: one group of sedentary controls (n = 7) and two groups of sportswomen who competed in either handball (n = 14) or ...
Roth W T - - 1996
Heart and respiration rates were measured ambulatorily in 16 novice and 25 expert (> 380 delayed free-fall jumps) sports parachutists while making a static-line jump. Self-reported anxiety and heart rate peaked near the point of jumping in both groups rather than earlier in experts, as reported by Fenz and Epstein ...
Pink M M - - 1996
In summary, a sport-specific exercise program for golfers includes warming up, stretching, strengthening, and cardiovascular conditioning. The goals of such a program incorporated with playing the game of golf are to optimize performance and prevent injuries. The integration of each of these components represents a well-balanced fitness approach to sport ...
Onofrj M - - 1995
Expert chess players can recall meaningful chess positions with extraordinary precision in comparison with inexperienced players. We hypothesized, therefore, that their mental performance during chess deliberation could be an appropriate target for single photon emission computerized tomography (SPECT) studies. We studied cerebral activation with 1110 MBq 99mTc-Bicisate SPECT in five ...
McInnes S E - - 1995
In this study, the intensities of activity and movement patterns during men's basketball were investigated by videoing the movements and monitoring the heart rate and blood lactate responses of eight elite players during competition. The results are expressed according to 'live time', which is actual playing time, and 'total time', ...
Chin M K - - 1995
There is a scarcity of descriptive data on the performance capacity of elite badminton players, whose fitness requirements are quite specific. The purpose of this paper is to investigate the physiological response of elite badminton players in a sport-specific fitness test. Twelve Hong Kong national badminton team players performed a ...
Chin M K - - 1995
There is a scarcity of descriptive data on the physiological characteristics of elite Asian squash players. The purpose of this study was to evaluate the physiological profile and sports specific fitness of Hong Kong elite squash players. It was conducted before the selection of the Hong Kong national squash team ...
Brewer J - - 1995
Rugby League is a game of physical contact that involves low-intensity, aerobic exercise, combined with periods of intermittent, intensive anaerobic exercise. Matches consist of two halves, each of 40 minutes, separated by a 10-minute recovery period, and are contested by 2 teams of 13 players (6 forwards and 7 backs). ...
Chalk P J - - 1995
Foot volume measurements were taken on 12 feet of nine female intercollegiate volleyball players (mean age of 20 years) before and after a 2-hr rigorous practice session. No significant difference was found between foot volume before and after exercise. A slight reduction in the foot volume after exercise was noted ...
MacKean L C - - 1995
Ankle support devices are commonly used for prevention and treatment of ankle injury, but the effect of these on sport performance has not been evaluated. The purpose of this study was to evaluate the effect of different ankle support devices on four basketball-related performance tests. Eleven female basketball players underwent ...
Hanin Y - - 1995
Individual patterns of positive-negative affect (PNA) were studied in 25 Olympic level soccer players (age 17-21). Recall idiographic scaling following the methodology of the individual Zones of Optimal Functioning (IZOF) model was used to identify PNA items related to each player's effective and ineffective game performance. Individual zones for each ...
Hoffman J R - - 1995
This study examined the effect of high intensity, moderate duration (40 min) exercise and water restriction on anaerobic power, vertical jumping height, and basketball shooting performance. Ten healthy male basketball players participated in two simulated '2 on 2 full-court' basketball games. Water consumption was permitted in one game (Wa) but ...
Sesboüé B - - 1995
To evaluate the effects of exercise on colonic function, we measured total and segmental transit times in 11 male soccer players and nine male radiology student technicians. Diet was kept constant in all subjects, who maintained their normal activities. For the soccer players, normal activities included 15 h of training ...
Florida-James G - - 1995
Match-lay demands of Gaelic football and fitness profiles were assessed at club competitive level. English Gaelic football club championship players (n = 11) were assessed for anthropometry, leg strength and time to exhaustion on a treadmill run. A similar test battery was administered to a reference group of University competitive ...
Young W - - 1995
The purpose of this study was to investigate the relationship between strength measures and sprinting performance, and to determine if these relationships varied for different phases of sprint running. Twenty (11 males and 9 females) elite junior track and field athletes served as subjects. Athletes performed maximum sprints to 50 ...
Hooper S - - 1995
Tethered swimming forces (TSF), average distance achieved per stroke (D/S) during a submaximal effort swim, and time and D/S for a maximal effort swim were measured to determine changes occurring with staleness and recovery. Fourteen nationally ranked male and female swimmers were studied five times (i.e. early-, mid-, and late-season, ...
Cox M H - - 1995
Today's elite hockey players are physically bigger and have improved levels of physiological fitness when compared with their predecessors. Correspondingly, previous ice hockey studies that have become widely referenced may have little relevance to current players and the way the game is presently played. A great need exists to apply ...
Muscettola G - - 1995
A mail survey of degree of seasonal suffering was conducted in Italy using the SPAQ (Seasonal Pattern Assessment Questionnaire). Experiencing seasonal changes as a problem was reported by more than half of the 543 responders. Both mean GSS (Global Seasonality Score) and circannual profile of 'feeling worst' yielded results similar ...
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