The inspiration for this exercise might come from skiing, but it's also an effective way to prepare your midsection for many sports, including tennis, softball, and golf. The reason: "It trains your abs, lower back, and hips to work together to rotate your body from side to side," says Durkin. And the more powerfully you can rotate, the faster you can swing and the harder you can throw.
If you're taking on healthy fitness and eating habits with the dream of achieving a six-pack, some real talk for you: "Very few people can achieve this look, regardless of what they do," says Stephen Ball, professor of nutrition and exercise physiology at the University of Missouri. "Most women who make this their goal will fail and ultimately give up on exercise all together." Way harsh, Tai.
Eat carbs. "There's this notion that carbs are bad and that you need crazy amounts of protein to be lean and fit," says Alcantara, who disagrees, and eats just as much carbs as protein, although the ideal ratio varies based on your goals. "Whatever you eat to get the results you want has to be sustainable, otherwise you're going to end up right back where you started with the same habits that got you there."
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