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PubMed2002

Food-dependent, exercise-induced anaphylaxis: first case report in Thailand.

A forty-year-old military personnel presented with generalized urticaria, syncope, shortness of breath and headache associated with jogging after ingestion of a taro-filled bun and a red bean-filled bun. Skin prick test was positive for bread, taro and wheat but negative for red bean and preservative. Exercise challenge tests were performed. Exercise alone failed to induce any allergic reaction but exercise following ingestion of a taro-filled bun and a red bean-filled bun induced generalized urticaria. Since the patients stopped taking these types of food, the urticaria has not returned. This is the first case report of food-dependent, exercise-induced anaphylaxis in Thailand.

Adult↗
PubMed2002

Sudden death due to recreational exercise in physicians.

In a period from 1982-2002 we noticed five dead among Croatian male physicians aged 34 to 67, during or after recreational physical exercise: swimming, soccer, tennis and jogging. Three of them who were autopsied, have been non-smokers and without previous symptoms. In all coronary heart disease was found. The left descending anterior artery was stenotic in one and occluded in two, with myocardial scars in one. An acute myocardial infarction was found in none of them, and in two-left ventricular hypertrophy 15 and 18 mm. We could not find a recent medical record in those physicians including a clinical finding and other findings. Two physicians who were not been autopsied, had possible an alcohol cardiomyopathy. Both of them were smokers. In Croatia about 7% of the whole population are engaged in recreational physical exercise. In a period of twenty years (1982-2002) we noticed 43 sudden and unexpected deaths during or immediately after physical exercise: it reached 43/6,300,000 sudden death in Croatia in twenty years or 2.15/315,000 yearly among persons engaged in physical exercise. In Croatia there are 4,957 male physicians-specialists, and a rate of sudden cardiac death during or immediately after physical exercise in this group reached 5/99,140 in 20 years or 1/19,828 every four years. A medical check up before recreational physical exercise is essential including a clinical examination, a serum concentration of risk factors and other risk factors, an electrocardiogram at rest, a stress test and echocardiography in clinical indication, as are medical controls over persons taking exercise. This study shows that medical evaluation is important because of the underlying problems such as sudden death during exercise. In non-trained persons and in the elderly a physical exercise should be recommended of a gradually intensity, which could not exceed 6 METs.

Adult↗
PubMed2002

The Cooper River Bridge Run Study of low back pain in runners and walkers.

Investigations dedicated to examining relationships between low back pain (LBP) and factors specific to running and walking are limited. Current literature suggests runners and walkers may have a lower relative risk for significant LBP. The purpose of this study was to investigate the incidence, prevalence, and possible risk factors for LBP among a group of runners and walkers. A survey was administered to participants who registered for either a 10-kilometer run or 4-mile recreational walk. A total of 539 responses were received. Previous history of LBP was reported by 74% of respondents overall. Prevalence of LBP at the time of survey completion was 13.6%. Low back pain was experienced more frequently by obese runners and by those who reported certain patterns of shoe wear. Regular participation in aerobics correlated with a reduced lifetime risk for LBP. We believe these findings warrant further investigation. This knowledge may benefit not only athletes in training, but other fitness enthusiasts, including casual runners and walkers and those who jog or walk to rehabilitate low back injuries.

Adolescent↗
PubMed1976

Congenital aneurysm of the sinus of Valsalva protruding into the left ventricle. Review of diagnosis and treatment of the unruptured aneurysm.

During a routine physical examination, a 34-year-old man, in apparent good health, had an electrocardiogram which revealed left axis deviation. Cardiac evaluation disclosed mild aortic regurgitation and left anterior fascicular block. Nine months later, the patient was admitted to the critical care unit after he had experienced cardiac arrest while jogging. Angiograms demonstrated a large unruptured aneurysm in the right coronary sinus of Valsalva protuding into the left ventricle. Echocardiographic manifestations also suggested also suggested a sinus of Valsalva aneurysm. The defect was repaired through an aortic approach. The aneurysmal sac was emptied and the neck sutured securely. Twenty-two months postoperatively, the patient continues to be asymptomatic. We anticipate that this will decrease the threat of recurrent arrhythmias..

Adult↗
PubMed2003

[Physical urticarias].

Ten percent of chronic urticarias are physical urticarias. Patients suffering from physical urticaria all have a suggestive history with specific eliciting stimuli (cold, heat, water, sun.) and wheals in the areas where the stimulus acts. The involved pathomechanisms are not well known. An unknown allergen (related to a cold or a heat injury, a polar molecule contained in the stratum corneum and soluble into water, a photoallergen) could induce a mast cell mediator release, followed by an infiltration by eosinophil then neutrophils polymorphonuclears. T-cells are not highly involved. Dermographism, the most frequent can be cured by anti-H1. In diagnosing cholinergic urticaria physical exercise has to be done by the patient (jogging, running, riding), anti-H1 are efficient. In other physical urticarias (delayed-pressure, cold, solar, heat, vibratory urticarias) as to be managed as follows: (1) to perform specific tests with respectively (weights; ice cube; UVA, UVB and visible light exposure; hot water contained in a tube; a vortex mixer); (2) to avoid eliciting stimuli; (3) to treat the associated diseases e.g. in secondary cold urticaria; (4) to try to induce a physical tolerance, a review is enclosed concerning cold, solar, heat and aquagenic urticarias; (5) to associate or not non sedative 2(nd) generation antihistamines. All the other alternative treatments are discussed but none of them has been evaluated.

Anti-Allergic Agents↗
PubMed2004

[Tomodensitometry measurements of proximal tibia and acceleration in marathon athletes].

We evaluated bone adaptation of the tibia to mechanical stresses in male marathon runners and in sedentary controls in function of the ground impact measured by accelerometry and of the bone mineral density assessed by peripheral quantitative computed tomography (QCT). Sixty-three subjects (51 runners and 12 controls) were enrolled. All had measurements of bone mineral density of the proximal tibia and of acceleration at the same site during a jogging at 9 km/hour. The results show a significant higher cortical BMD in runners with the higher value of late accelerations (at 50 ms after the contact with the ground). The late acceleration might be related to muscle contraction.

Adult↗
PubMed2004

Development and validation of a sport-specific exercise protocol for elite youth soccer players.

AIM: The aims of the current study were, firstly, to quantify the motion characteristics of professional youth soccer players and, secondly, to develop and validate a soccer-specific exercise protocol (SSEP). METHODS: The motion characteristics of 12 first team members and 12 scholars (under 19s), signed to an English Premiership club were determined via motion analysis. Motion profiles from the analysis were then used to develop a SSEP for a non-motorised treadmill. Validity of the protocol was checked with 6, healthy, male soccer players who completed the SSEP and, on a separate occasion, a soccer match. Heart rates were recorded during both trials, in addition, capillary blood and expired air samples were taken, and RPE recorded, during the SSEP. RESULTS: Youth team players covered 10274+/-609 m, compared to 9741+/-882 m by the first team players (t=1.72, p>0.05; 95% CI for the difference = -1174 m to 109 m). The trend for greater mean distance covered by youth players could be attributed to the distances covered while jogging and running. Mean heart rate response was 166+/-9 beatsxmin(-1) during match play and 166+/-12 beatsxmin(-1) during the SSEP (t=0.164, p>0.05). Mean .VO(2) during the SSEP was 70+/-3% of .VO(2max). Blood lactate concentration fell from a mean value of 5.37+/-1.15 mmol x L(-1) during the first half to 4.74+/-1.25 mmol x L(-1) during the 2(nd) half (t=2.52, p<0.05). CONCLUSION: The findings of this study suggest that the protocol developed induced a similar physiological load to soccer match play and provides the opportunity to study the physiological demands of soccer.

Adult↗
PubMed1992

Does physical exercise influence bowel transit time in healthy young men?

An examination was performed on 20 healthy men, who had a specific diet, to test the influence of moderate physical activity on bowel transit. During a 3-day pause and a 3-day phase of easy sports activity (jogging), oro-anal transit was measured with the help of radiopaque markers (Hinton method). While the subject was under exertion, the entire weight of stool rose significantly (743 vs. 600 g), whereas we found no significant influence on the oro-anal transit time (39 vs. 48 h) or on stool frequency (1.3 vs. 1.3 per day). Moderate physical activity had no effect on bowel transit time of healthy men under a constant diet. The effect of the so often recommended increase of physical activity on constipation remains to be elucidated.

Adult↗
PubMed2004

[Life-long regular physical exercise is crucial in coronary disease].

Coronary heart disease, i.e. angina pectoris or myocardial infarction, is one of our most common diseases. Age, gender and heredity, as well as smoking, hypertension, physical inactivity, diabetes, overweight and stress are risk factors for the disease. Regular physical activity and exercise training positively influences several of these risk factors at the same time. The prescription for physical activity and training is life long and should include fitness as well as strength and endurance training. It is of great importance that the first period of rehabilitation, after an acute event, is carried out under supervision, preferably by a specialised physiotherapist. When the condition is stabilised, in most of the cases after 2-3 months, the training may be continued outside the hospital. Suitable activities are daily walks, jogging, cycling, swimming, aerobics, dance, ballgames etc depending on interest and physical condition.

Coronary Disease↗
PubMedDate not supplied

[Effects of exercise on anxiety, depression and mood].

This article reviews the studies on the effects of physical activity on the emotional states--anxiety, depression and mood. The meta-analyses of correlational and experimental studies reveal positive effects of exercise, in healthy people and in clinical populations (also in patients with emotional disorders) regardless of gender and age. The benefits are significant especially in subjects with an elevated level of anxiety and depression because of more room for possible change. The most improvements are caused by rhythmic, aerobic exercises, using of large muscle groups (jogging, swimming, cycling, walking), of moderate and low intensity. They should be conducted for 15 to 30 minutes and performed a minimum of three times a week in programs of 10-weeks or longer. The results confirm the acute effect of exercise i.e. the reductions in anxiety and depression after single sessions of exercise. The changes in anxiety, depression and mood states after exercise are explained most frequently by the endorphin and monoamine hypotheses. Exercise may also increase body temperature, blood circulation in the brain and impact on hypothalamic-pituitary-adrenal axis and physiological reactivity to stress. The possible psychological mechanisms include improvement of self-efficacy, distraction and cognitive dissonance.

Affect↗
PubMed2000

Exercise-related injuries among women: strategies for prevention from civilian and military studies.

SCOPE OF THE PROBLEM: The numerous health benefits of physical activity have been well documented, resulting in public health support of regular physical activity and exercise. Although beneficial, exercise also has corresponding risks, including musculoskeletal injuries. The incidence and risk factors for exercise-related injury have been poorly assessed in women. Many civilian exercise activities (e.g., jogging, walking, and erobics) have corollaries in military physical training; injury incidence and risk factors associated with military physical training have been more thoroughly studied. ETIOLOGIC FACTORS: Injury risks increase as the amount of training increases (increased xposure). The same exercise parameters that can be modified to enhance physical fitness (i.e., frequency, duration, and intensity) also influence the risk for injury in a dose-response manner. Higher levels of current physical fitness (aerobic fitness) protect the participant against future injury. A history of previous injury is a risk factor for future injury. Smoking cigarettes has been associated with increased risk for exercise-related injury. Studies conducted in military populations suggest that the most important risk factor for injuries among persons engaged in vigorous weight-bearing aerobic physical activity might be low aerobic fitness rather than female sex. RECOMMENDATIONS FOR PREVENTION: Because of the limited scientific research regarding women engaging in exercise, general recommendations are provided. Women starting exercise programs should be realistic about their goals and start slowly at frequency, duration, and intensity levels commensurate with their current physical fitness condition. Women should be informed about the early indicators of potential injury. Women who have sustained an injury should take precautions to prevent reinjury (e.g., ensuring appropriate recovery and rehabilitation). RESEARCH AGENDA: In general, a combination of factors affects the risk for exercise-related injury in women. How these factors act singly and in combination to influence injury risk is not well understood. Additional research regarding exercise-related injury in women is needed to answer many of the remaining epidemiologic questions and to help develop exercise programs that improve health while reducing the risk for injury. CONCLUSION: Exercise is an important component in improving and maintaining health; however, injury is also an accompanying risk. A review of key military and civilian research studies regarding exercise-related injuries provides some clues to reducing these injuries in women. Greater adherence to exercise guidelines can help decrease these risks.

Athletic Injuries↗
PubMed2004

Perceptions of the intensity of specific physical activities in Bangalore, South India: implications for exercise prescription.

OBJECTIVE: To assess perceptions of the intensity of specific physical activities in urban Indians and to determine whether these perceptions are dependent on age, gender, body mass index and actual physical patterns. METHOD: A self-administered questionnaire in a convenience sample of 782 adults (441 women) aged 17 to 70 years in the city of Bangalore. RESULTS: Women rated the intensity of carpentry, jogging, manual labour and walking uphill significantly higher than men. These differences persisted when they were adjusted for total daily physical activity levels and levels of discretionary exercise. In contrast, while men rated household activities such as manual washing of clothes and sweeping at higher levels than women, these differences disappeared when they were adjusted for actual levels of daily activity related to household chores. There were clear age-related changes in the perception of intensity of physical activities and these persisted even after adjustment for overall physical activity patterns. CONCLUSIONS: This study demonstrates clear age and gender-related differences in the perception of physical activities. This is important to know while motivating individuals to change physical activity patterns and assumes added importance given the recent evidence that perceived intensity of habitual activity is predictive of coronary heart disease, even at levels of activity that are below standard recommendations.

Adolescent↗
PubMed1992

Arthroplasty of the first metatarsophalangeal joint with a double-stem silicone implant. Results in patients who have degenerative joint disease failure of previous operations, or rheumatoid arthritis.

Sixty-six patients who had a total of eighty-six double-stem silicone implants in the first metatarsophalangeal joint were followed prospectively for an average of 5.8 years (range, two to fifteen years). There were two groups of patients: thirty-four patients (thirty-seven implants) who had degenerative joint disease (including those who had hallux rigidus or in whom a previous operation on a bunion had failed) and thirty-two patients (forty-nine implants) who had rheumatoid arthritis. The implants were used only if the patient was a candidate for an excisional arthroplasty or an arthrodesis; they were not used in patients who wished to maintain or adopt very active use of the foot (such as in running, jogging, and tennis) or to wear very high heels. Twenty-eight (82 per cent) of the thirty-four patients in the first group were completely satisfied and three (9 per cent) were somewhat satisfied. However, three patients (9 per cent), all of whom had had a failed bunionectomy, were dissatisfied; the ages of these three patients were less than the average age of all patients in the first group. Radiographs showed a fracture in three implants, but the patients had a good clinical result and an additional operation was not warranted. Twenty-seven (84 per cent) of the thirty-two patients in the second group were completely satisfied, four (13 per cent) were somewhat satisfied, and one (3 per cent) was dissatisfied. Radiographs showed a fracture in five implants. Four of the implants caused no symptoms, and the result was good; the fifth one was fragmented and was removed because of symptoms. Radiographs showed radiolucent areas around the implant and hypertrophic changes in many patients. There was no evidence of synovitis, such as that caused by silicone, either clinically or radiographically. We found that the double-stem silicone implant was effective in reconstructing the first metatarsophalangeal joint but emphasize our belief that it should be used only in carefully selected patients.

Adult↗
PubMed2005

Prevalence of physical activity in the United States: Behavioral Risk Factor Surveillance System, 2001.

INTRODUCTION: The health benefits of regular cardiovascular exercise are well-known. Such exercise, however, has traditionally been defined as vigorous physical activity, such as jogging, swimming, or aerobic dance. Exercise of moderate intensity also promotes health, and many U.S. adults may be experiencing the health benefits of exercise through lifestyle activities of moderate intensity, such as yard work, housework, or walking for transportation. Until recently, public health surveillance systems have not included assessments of this type of physical activity, focusing on exercise of vigorous intensity. We used an enhanced surveillance tool to describe the prevalence and amount of both moderate-intensity and vigorous-intensity physical activity among U.S. adults. METHODS: We analyzed data from the 2001 Behavioral Risk Factor Surveillance System, a state-based, random-digit-dialed telephone survey administered to U.S. adults aged 18 years and older (n = 82,834 men and 120,286 women). Physical activity behavior was assessed using questions designed to quantify the frequency of participation in moderate- or vigorous-intensity physical activities performed during leisure time or for household chores and transportation. RESULTS: Overall, 45% of adults (48% of men and 43% of women) were active at recommended levels during nonworking hours (at least 30 minutes five or more days per week in moderate-intensity activities, equivalent to brisk walking, or at least 20 minutes three or more days per week in vigorous activities, equivalent to running, heavy yard work, or aerobic dance). Less than 16% of adults (15% of men and 17% of women) reported no moderate or vigorous activity in a usual week. CONCLUSION: Integrating surveillance of lifestyle activities into national systems is possible, and doing so may provide a more accurate representation of the prevalence of recommended levels of physical activity. These results, however, suggest that the majority of U.S. adults are not active at levels associated with the promotion and maintenance of health.

Adult↗
PubMed2005

[Is stretching for sports performance still useful? A review of the literature].

Since 1980, according to several authors, it is accepted that increasing flexibility of a muscle-tendon unit allows a better performance and decreases sports injuries. Stretching is regularly included in warm-up and in cooling-down. However, there are contradictory findings in the literature. In contrast, since 1990, there's evidence suggesting that stretching not only does not prevent injuries, but can also decrease the level of performance. Some part of these contradictions can be explained by the various sports activities. Those requesting an increased flexibility, such as gymnastic, dancing or diving, necessitate pre-exercise stretching to optimize the level of performance. In contrary, for sports with slow stretch-shortening cycle such as jogging or cycling, there is no scientific data showing a positive effect of stretching.

Athletic Injuries↗
PubMed2005

Physiological and biomechanical responses while running with and without a stroller.

AIM: This study examined the effects of pushing a jogging stroller on biomechanical and physiological variables. The hypothesis was that running with a stroller for 30 minutes would shorten stride length and increase physiological indices of exercise. METHODS EXPERIMENTAL DESIGN: this was a repeated measures design. SETTING: participants were recruited from road races in the Dallas/Fort Worth, TX area. Graded exercise tests were performed in a laboratory setting, field tests were performed on a 400 m all-weather outdoor track. PARTICIPANTS: 5 males and 5 females were assessed. INTERVENTIONS: participants performed a graded exercise test and 2 field tests. The 1st field test involved running at 75% VO2max for 30 minutes without a stroller and the 2nd involved running at the same speed with the stroller. MEASURES: VO2, stride length, heart rate, lactate, ventilation, and RPE were evaluated. RESULTS: No differences for VO2 or stride length were evident. Heart rate (p=0.0001), lactate concentration (p=0.025), ventilation (p=0.009), and RPE (p=0.002) increased from 10 to 30 minutes while running with the stroller. Heart rate (p=0.002), lactate concentration (p=0.0001), ventilation (p=0.006), and RPE (p=0.001) were significantly higher while running with the stroller after 30 minutes compared to running without it. CONCLUSION: These results indicate that pushing a stroller affects some indices of exercise intensity while running. Gait does not change. These data do not support an association between stroller use during running and an increase risk of orthopedic injury. Further studies should examine these variables at lower intensities that are run by most recreational joggers.

Adult↗
PubMed2005

[Pregnancy and sports].

Today, mothers-to-be with an uncomplicated pregnancy are advised to practice sports on a regular basis. If they follow this advice, they put on less weight and recover more quickly from the stresses and strains of parturition, thanks to their higher level of general fitness. In addition, practicing sports helps to prevent postural damage, back pain, varices and thrombosis. The most suitable forms of sport are those of the aerobic type, such as jogging, swimming, cycling or aerobic calisthenics. However, exercises in the fitness studio and moderate strength training are also admissible provided that consideration is given to contraindications and warning signals.

Exercise↗
PubMed2006

Effects of music during exercise on RPE, heart rate and the autonomic nervous system.

AIM: The purpose of this study was to investigate the relationship between the influence of music on RPE during sub-maximal exercise and on the autonomic nervous system before and after sub-maximal exercise. METHODS: Heart rate (HR), HR variability (HRV) and rates of physical fatigue (RPE) during exercise at 60% and at 40% VO2max with and without music were measured. The exercise protocol consisted of a 30-min seated rest (control) period followed by a 30-min submaximal cycling exercise and a 35-min recovery period. Autonomic-nervous activity was measured before and after exercise. During exercise, RPE was recorded every 3 min and HR was recorded for every minute. RESULTS: Although RPE did not differ during exercise at 60% VO2max, this value was lower during exercise at 40% VO2max in the presence, than in the absence of a favorite piece music (P < 0.05). HR, HFA and LFA/HFA of HRV significantly differed with exercise intensity in the absence (P < 0.05), but not in the presence of music. CONCLUSIONS: These findings suggested that music evokes a ''distraction effect'' during low intensity exercise, but might not influence the autonomic nervous system. Therefore, when jogging or walking at comparatively low exercise intensity, listening to a favorite piece of music might decrease the influence of stress caused by fatigue, thus increasing the ''comfort'' level of performing the exercise.

Adult↗