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Now install the latest driver downloaded earlier. Hi Without the actual crash dump files it is not possible to find the actual root cause.
Edited by Anshad Edavana, 02 May 2014 - 03:17 AM. However considering that NETw5s64.sys is the driver file for Intel wireless adapter, we should start with updating that.
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DATA SYNTHESIS: Search queries returned 88,393 studies based on the aforementioned keywords; 4,561 studies were selected by crossing chosen keywords. After applying inclusion criteria, four studies were selected from 182 eligible titles. Most studies found that aerobic and resistance training improves body composition, lipid profile and metabolic and inflammatory status of obese children and adolescents; however, the magnitude of these effects is associated with the type, intensity and duration of practice. Method A literature review was performed, focusing on studies that reported the effects of exercise on several metabolic variables involved in childhood obesity. The databases used for this review were PubMed/MEDLINE and Web of Science.
The descriptors applied were: Obesity, Children Obesity, Childhood Obesity, Exercise and Physical Activity. The electronic search was based on studies published from April 2010 to December 2013. Therefore, we aimed to focus on the most current findings in the literature on the subject. Inclusion criteria were randomized controlled studies involving the pediatric population around 12 years old, published in English, which associated the effects of physical exercise on metabolic variables associated with childhood obesity. Haile gerima sankofa download yahoo. Initially, after a wide selection, the articles were systematically read, analyzed and listed, aiming to confront the variables of interest in the study with the literature findings. Shows the design of the study selection. Physical exercise, metabolic rate and lipid profile The results of this review demonstrate the effect of systematic and targeted physical exercise on metabolic variables associated with childhood obesity., - The evidence associates the practice of exercises to body composition improvement, promoting physiological potentials that involve positive changes regarding the promotion of health and physical fitness.
The main physiological and metabolic effects resulting from both acute and chronic exercise, in general, are: increase in skeletal muscle mass, strength and proprioception gain, decrease in fat stores, increase in caloric expenditure, increased metabolic rate at rest, increased tolerance to glucose use as energy substrate, improved insulin sensitivity, decreased inflammatory state, among others., The increase in energy expenditure secondary to physical exercise occurs by stimulating the metabolic reactions and the enhancement of energy substrate use by active muscles. This occurs both acutely and by physiological adaptations that stimulate metabolism throughout the day. Leisure activities of moderate intensity and practiced for fun for 12 weeks were effective in attenuating dyslipidemia and hemodynamic factors associated with the worsening of the health status of obese children, with a mean body mass index (BMI) of 40 kg/m². A study carried out by Escalante et al reported that physical exercise can reduce low-density lipoproteins (LDL) by 35% and triglycerides by 40%, and increase high-density lipoproteins (HDL) in up to 25%. Therefore, exercise is considered by many authors as the main tool to attenuate the damage associated with childhood obesity., Makni et al evaluated the correlation between the 6-minute walk test and the use of fat as an energy substrate (FatMax) in 131 obese children (12.4±0.4 years).
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The study showed that the distance traveled during the test correlated significantly with the maximum heart rate achieved at the end of the walk, with this correlation being positive for boys (r=0.88) and girls (r=0.81). Thus, the researchers demonstrated that the field test is capable of quantifying the lipolytic rate of the obese child, i.e., how much the child is able to metabolize fat as an energy substrate, which makes the walk test a good clinical tool to estimate caloric expenditure. In the absence of an ergospirometer, this simple field test could be used to estimate VO 2max and stratify aerobic physical training loads in obese young individuals. 20 It is noteworthy, therefore, the beneficial role of exercise in regulating the lipid profile of obese children and as an attenuator of risk factors associated with metabolic syndrome, a pathological condition that involves, in addition to the dyslipidemic and obesogenic characteristics, the presence of hypertension, insulin resistance and altered fasting glucose.,.
Physical exercise and inflammatory status It is known that one of the characteristics of obesity is triggering a systemic inflammatory process caused by a regulatory hormonal dysfunction arising mainly from increased release of proinflammatory cytokines in the bloodstream, even during physical exercise. However, studies demonstrate that regular physical exercise is associated with the reduction of the systemic inflammatory state observed in childhood obesity. Lai et al evaluated, in 88 Chinese children, the association of the polymorphism of the recently discovered adipokine vistatin on metabolic variables. The researchers investigated the association of vistatin and the effect of an aerobic training program (20-40% of heart rate reserve), performed four times a week for four weeks. There was a marked decrease in triacylglycerol levels and insulin sensitivity in children that had the polymorphism of this pro-inflammatory adipokine. Rosa et al reported a 92% reduction in the levels of the proinflammatory adipokine interleukin-6 and oxidative metabolites of myeloperoxidase in 47 obese children undergoing intermittent training with cycling sprints at 80% VO 2max. Plonka et al evaluated the association between serum leptin and physical activity level in 59 obese schoolchildren.
Girls that spent at least two hours daily in physical activity were considered active. It was concluded that among the active students, serum leptin was three times lower than among the sedentary ones, suggesting an improvement in sensitivity to leptin action in active girls. Corroborating the findings, Woo et al reported a significant reduction in serum leptin and increased adiponectin in obese Korean children between 10 and 12 years submitted to moderate-intensity aerobic training for 12 weeks. Moreover, even after cessation of training, serum concentrations of these adipokines remained unchanged for three subsequent months, during which the children did not engage in physical exercise. Physical exercise has shown to be able to decrease the systemic inflammatory state, one of the physiopathological factors of obesity. The decrease in this clinical picture leads to improved function of several systems.
In parallel, cellular signaling repair at the molecular level is able to act positively on cell communication and all cascades of biochemical reactions associated with metabolic systems and utilization of glucose, amino acids and fatty acids as an energy source. Physical exercise and cardiovascular and neural risk factors The metabolic and hormonal dysfunction triggered by childhood obesity is associated with cardiovascular risk factors by inducing systemic changes that, later in life, can cause cardiovascular injury, whose outcomes can culminate in death. Therefore, it is necessary to encourage preventive or remedial measures to attenuate such risk factors.
It has been demonstrated that regular physical exercise can promote, as early as in childhood, positive cardiovascular adaptations. Park et al evaluated the effect of an aerobic and resistance training program on endothelial function in 29 obese children for 12 weeks.
Aerobic training consisted of 30 minutes of brisk walking (approximately 60% of heart rate reserve). Resistance exercise consisted in a circuit with three exercises for the upper limbs and four for the lower limbs, with 8-12 repetitions and intensity of 60% of maximum repetitions (MR). Researchers showed a two-fold higher increase in three types of endothelial progenitor cells, that is, physical training was able to stimulate an increase in endothelial vasodilator capacity, which increases blood flow to the body and decreases the strength of ventricular ejection, decreasing cardiac overload.
The heart rate recovery time after physical exercise can be used as an important tool to measure autonomic control of the heart. Thus, the magnitude of the decrease in the number of heartbeats after performing an activity, within a short time, seems to reflect an individual's level of cardiovascular fitness. However, obese individuals have an imbalance, as early as in childhood, of this involuntary control over the heart, i.e., they require more time to decrease heart rate after physical exertion.
Laguna et al performed maximal exercise test on a cycle ergometer in 437 obese Spanish children, with a mean age of 9 years, and found a positive association between the time of heart rate recovery after exercise and cardiometabolic risk factors in this population, i.e., the longer it took for the heart rate to be restored to resting rate, the lower the efficiency of cardiac work. Corroborating these findings, Legantis et al evaluated the effect of cardiorespiratory fitness and obesity on the hemodynamic response of 24 obese children, physically active and inactive, submitted to isometric handgrip exercise at 30% MR for three minutes. Inactive obese children had higher systolic blood pressure at rest and during isometric muscle contraction, when compared to active obese children. Additionally, higher levels of muscle sympathetic nerve activity, cardiac output and oxygen consumption were observed in the inactive children. Physical inactivity promotes a decrease in the individual's mechanical efficiency in the presence of a certain exertion, that is, obesity reduces the metabolic capacity to generate work and support the energy demands of physical activity. Thus, the lower the individual's aerobic efficiency in the presence of a stimulus, the less capable the individual is to endure the intensity of a task over time. These findings demonstrate that adequate physical conditioning is a good predictor of cardiovascular health, regardless of obesity, i.e., cardiorespiratory fitness may play a protective role in the heart of the obese individuals, even during childhood.
The practice of physical exercises promotes important neural adaptations in the cardiovascular system, positively stimulating neural pathways connected to the heart muscle and endothelial smooth muscle. This has a positive effect on hemodynamic factors, such as blood pressure, heart rate and peripheral vascular resistance, which increases the strength and capacity of cardiac ejection, distribution of blood flow and thus maximizes the availability and utilization of nutrients by the skeletal muscles.