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How Do Preservice Teachers Understand Effective Teaching in Physical Education?

How Do Preservice Teachers Understand Effective Teaching in Physical Education?

  • 6/25/2014 5:41:00 AM
  • View Count 1872
Jiling Liu, M. EdEffective teaching (ET) in physical education (PE) happens when students have positive changes in thinking, behavior, and emotion. These changes can result in more positive attitudes toward learning motor skills, more active participation in PE classes, and/or improvement in PE grades. Research shows that what teachers understand affects how they teach. In order to teach effectively, teachers should fully understand what ET means and what constitutes ET. For this reason, physica...
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Prospective molecular and genetic strategy is close to conquering muscular dystrophy

  • 6/25/2014 4:36:00 AM
  • View Count 1109
Yang Lee, M.S.Duchenne muscular dystrophy (DMD) is the most prevalent and severe type of muscular dystrophy, affecting 1 in every 3500 newborn boys, according to the National Human Genome Research Institute. DMD causes progressive muscle weakness, cardiomyopathy, and respiratory failure. Patients are diagnosed when they are toddlers, become wheelchair-dependent in their early teens, and die usually before in their 30s. It has been more than 20 years since scientists identified the protein encode...
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Exploring the Conflicting Gender Roles in Marketing Professional Female Athletes

Exploring the Conflicting Gender Roles in Marketing Professional Female Athletes

  • 6/25/2014 3:26:00 AM
  • View Count 1967
Jami Lobpries, Ph.DTwo months removed from the 2012 Olympic Games, the majority of the fame, spotlight, and national attention for the female Olympic athletes subsided. In fact, the majority of these women often do not have viable professional leagues to return to post-Olympics. Gender disparities continue to exist in the sports world, particularly in media exposure and financial dollars for endorsements or sponsorships. Professional female athletes are a brand, as are their male counterparts, b...
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Powering Skeletal Muscle Growth

Powering Skeletal Muscle Growth

  • 6/25/2014 3:16:00 AM
  • View Count 1253
Jacqueline I. Perticone, B.S.Loss of muscle mass with advancing age, disease or lifestyle has a profound influence on healthcare and society. Our laboratory uses hindlimb suspension in rodents to better understand loss of muscle mass occurring with disuse in an effort to design specific interventions that may be suitable to maintain muscle health and function in a number of populations. It is well-known that loss of muscle mass with reduced activity results from a slowdown in the muscle’s ...
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Blood Pressure Medication to Prevent Muscle Loss?

Blood Pressure Medication to Prevent Muscle Loss?

  • 6/24/2014 8:52:00 AM
  • View Count 1126
Jeffrey Hord, B.S.Our bodies attempt to maintain a constant internal environment but achieving this consistency can be made much more difficult when we alter our external environment, such as going from walking upright to being bedridden for five days in the hospital. This change in the external environment alters the load on skeletal muscle fibers and will result in an altered internal environment. Increased levels of oxidative stress in the muscle eventually lead to muscle loss. In a rodent mo...
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Does Bone Remain Impaired Following Recovery after Reduced Energy Availability?

Does Bone Remain Impaired Following Recovery after Reduced Energy Availability?

  • 6/24/2014 8:37:00 AM
  • View Count 1394
Kaleigh Camp, M.S.What is “reduced energy availability”? “Energy availability” refers to the post-exercise energy that can be used for metabolic processes (energy intake minus exercise energy expenditure). Reduced energy availability can actually approach deficit due to a low caloric intake, a vigorous exercise regimen, or both.  The condition is often but not necessarily associated with eating disorders, with inherently higher risk for female athletes. The relations...
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Is Exercise Beneficial for the Elderly Heart?

  • 6/24/2014 6:07:00 AM
  • View Count 1336
Yang Lee, M.S.It has been reported that heart failure is the one of the leading cause of hospitalization for patients especially in the over-65 years aged population. Huge amounts of evidence indicate that impairment of myocardial structure and function through aging contribute to the development of heart failure. Age-related cardiac impairment is associated with left ventricular hypertrophy (increased cardiac cell size) and fibrosis (deposition of collagen) which induce diastolic dysfunction an...
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Using Chains May Improve Your Strength and Conditioning

Using Chains May Improve Your Strength and Conditioning

  • 6/20/2014 3:49:00 AM
  • View Count 1456
Majid Koozehchian, M.S.In recent years, strength training with unconventional objects has become popular (1). One unconventional method that has gained recognition by elite athletes is adding chains to the end of conventional barbells. There are many claims that this type of training can improve strength and power above those achieved by traditional free weights (2). In addition, chain-loaded resistance training is also believed to reduce joint stress resistance training during exercises such as...
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Is Exercise Always Beneficial? Is It Beneficial for Everyone?

Is Exercise Always Beneficial? Is It Beneficial for Everyone?

  • 6/20/2014 3:23:00 AM
  • View Count 1591
Seung Kim, M.S.Do you exercise regularly? If so, what benefits do you expect from exercise? Ever wonder whether you’re exercising in appropriate ways? Except for few people who are addicted to exercise, the main reason most people spend time and money for exercise is to maintain/improve their health. In general, the benefits of exercise include health-related risk factor reduction, anti-aging effects, prevention/improvement of disease, etc.However, there are things to carefully consider re...
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Exercise Genes Not Jeans: Is exercise capacity predetermined?

Exercise Genes Not Jeans: Is exercise capacity predetermined?

  • 6/20/2014 2:02:00 AM
  • View Count 1249
Josh Avila, M.S.People like to place the blame on their genes for their lack of Herculean strength or Olympic endurance. But is this really fair? Do our genes actually have an effect on our ability to exercise?Improvements in cardio-respiratory fitness made by increasing levels of physical activity have been shown to reduce the level of all-cause mortality regardless of baseline fitness levels. Research has shown that both initial exercise capacity and the response to exercise training are highl...
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