Sep 30, 2008
Sep 29, 2008
Sep 24, 2008
Proper Form for Crunches
Proper starting form is lying face up on the floor with knees bent. The movement begins by curling the shoulders towards the pelvis, with hands placed behind or beside the neck, or crossed over the chest. Using the hands to exert force on the neck can cause injury, so common practice is to avoid placing the hands behind the head itself.
The hands can however, form a shelf to support the weight of the head, so that the neck flexor muscles can relax during the movement. So long as the neck remains in an extended position with the neck flexors relaxed, then the hands are not exerting excessive force and it will not cause injury.
Sep 23, 2008
Anabolic Steroids
Serious health risks can be produced by long-term use or excessive doses of anabolic steroids. These effects include harmful changes in cholesterol levels (increased low-density lipoprotein and decreased high-density lipoprotein), acne, high blood pressure, liver damage, and dangerous changes in the structure of the left ventricle of the heart.
Sep 22, 2008
Vitamin C vs. Hypertension
Vitamin C can fight hypertension, according to Italian research. In the research, ascorbic acid was administered intravenously.
Sep 19, 2008
Sep 17, 2008
Subcutaneous fat
Subcutaneous fat is found just beneath the skin as opposed to visceral fat which is found in the peritoneal cavity. Subcutaneous fat can be measured using body fat calipers giving a rough estimate of total body adiposity.
Wikipedia
Sep 15, 2008
Sep 11, 2008
Water Intake
The latest dietary reference intake report by the United States National Research Council in general recommended (including food sources): 2.7 liters of water total for women and 3.7 liters for men.
Wikipedia
Sep 9, 2008
Sep 6, 2008
Sleep
The National Sleep Foundation in the United States maintains that eight to nine hours of sleep for adult humans is optimal and that sufficient sleep benefits alertness, memory and problem solving, and overall health, as well as reducing the risk of accidents.
A widely publicized 2003 study performed at the University of Pennsylvania School of Medicine demonstrated that cognitive performance declines with fewer than eight hours of sleep.
Sep 4, 2008
Sep 2, 2008
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