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Back Problems; How Big is Your Belly?

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The lowest part of your spine (your sacrum, to be exact) is connected between your two pelvic bones in the back. Because of this connection, the spine is brought along when the pelvis moves forward, back, up or down, or as it rotates. Obesity, particularly carrying a large amount of weight in your midsection, may pull your pelvis forward. This increases the curve in your back and contributes to lordosis, an exaggerated low back curve. Tightened back muscles and back strain may result, and you may experience pain, stiffness, tension, or difficulty moving the affected area. The act of sitting only makes this situation worse, as it contracts the hip muscles that bring the pelvis forward. By breaking up your workday with desk stretches, you can decrease or prevent back pain; this also helps address the tendency to be sedentary, which promotes weight gain. Another, more direct way to counter the effects of a large belly on the health of your back is to foster ...

Good News About Interval Training

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The latest research on high-intensity training continues to provide support to the idea that just one high-intensity interval session per week can improve fitness faster and more effectively than going at a slow, steady pace at each workout. The Take-Away We know interval training is a good way to boost fitness, but this study helps remind us that even just one high-quality, high-intensity session per week can result in big fitness gains. The all-out efforts tax the cardiovascular system in a way that allows it to improve its ability to take in and distribute oxygen to the working muscles in a more efficient and effective way. This is one of the principles of conditioning and is fundamental to improving sports performance. Thirty-second intervals are one of the simplest ways to take advantage of the science of fitness. There are many training programs you can follow, including Tabata, fartlek, and others, but adding a few 30-second, all-out efforts i...