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Personal Trainer & Health Fitness News

Personal Trainer & Health Fitness News

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Displaying 1 - 8 of 97
Docosahexaenoic Acid (DHA) Supplementation and Muscle Damage
Date:  Nov 19 2014

A recent study conducted by the Department of Human Nutrition at Virginia Polytechnic Institute and State University, examined the effects of supplemental docosahexaenoic acid (DHA) on inflammation, soreness and other markers of muscle damage following eccentric exercise. Forty-one untrained men consumed either 2 g of DHA or a placebo each day, for a total of 28 days, prior to engaging in a bout of aggressive eccentric work focusing on the elbow flexors (biceps). The biceps were used because delayed-onset muscle soreness (DOMS) and muscle damage tends to be greatest when performing eccentric work with smaller muscle groups.

Liver Injuries Caused by Herbal Supplements
Date:  Nov 11 2014

According to new research, herbal supplements may be more likely than medications to lead to death or liver transplantation. The study published in Hepatology, a journal of the American Association for the Study of Liver Disease, showed that liver injuries caused by herbals and non-bodybuilding dietary supplements increased from 7% to 20% over a ten-year period (among a large U.S. subject group). Liver injuries caused by non-bodybuilding supplements were the most severe; occurring more often among middle-aged women and more frequently resulting in death (or liver transplantation) than bodybuilding supplements or conventional medications. It is estimated that nearly 50% of adult Americans consume herbal and dietary supplements, with prior reports suggesting that use is on the rise.

Processed Meat and Heart Health
Date:  Nov 4 2014

Processed foods are usually not associated with positive nutritional benefits. This is especially true when it comes to processed red meats, as they have also been repeatedly shown to increase the risk for major diseases and obesity. According to a new study published in Circulation: Heart Failure (2014), an American Heart Association (AHA) journal, men who eat only moderate amounts of processed red meat may have an increased risk of incidence of heart failure and death from heart failure.

Understanding Heat Acclimation
Date:  Oct 27 2014

Training in the heat is very stressful for all physiological systems of the body. Exercise creates an internal accumulation of mechanical heat energy (core temperature); exposure to additional heat from the environment makes thermoregulation increasingly difficult. Fortunately, the body has the ability to adapt to the stress of environmental heat during training with repeated exposure.

Blueberries for Immune Function and Hypertension
Date:  Oct 20 2014

Berries contain various bioactive compounds and polyphenols which are believed to reduce the risk for certain types of cancers as well as hypertension. A recent study was conducted using twenty-five sedentary subjects, who ingested either a blueberry powder supplement (equal to 250 g of berries) or a placebo, each day for a total of six weeks.

Fighting a Cold
Date:  Oct 13 2014

Fighting a cold can be a miserable experience. Some suffering individuals will try anything to recover faster, which can actually prolong the cold. Due to the fact that the common cold is initiated by a viral infection, over-the-counter medications usually only end up treating the symptoms - rather than eliminating the cause.

Calories Cut from Grocery Stores
Date:  Oct 8 2014

In 2007, many grocery stores experienced a slight makeover which involved stocking the shelves with healthier food choices. Food corporations such as General Mills, PepsiCo, Nestle, and Kraft Foods Group Inc. altered their ingredients and portion sizes in an attempt to reduce the average amount of calories consumed by Americans per day.

Optimal Rest Intervals between Agonist/Antagonist Exercises
Date:  Oct 6 2014

Evidence suggests that exercising an antagonist muscle (in relation to a given joint or movement) acutely enhances subsequent performance for the agonist musculature. This is seen when one performs pushing and pulling actions in a back-to-back fashion - such as combining a bench press with a dumbbell bent-over row.

Displaying 1 - 8 of 97
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