Lindsey Vonn is one of the most well-known skiers in the world. She's competed in the Winter Olympics, winning one gold medal and two bronze medals. Now retired, Vonn is still looking amazing. She recently shared a set of photos on Instagram of a trip she took to Lake Powell. Vonn rode jet-skis and posed in a swimsuit. She captioned the post, "Doctor approved activities." How does she stay so fit? Read on to see 5 ways Lindsey Vonn stays in shape and the photos that prove they work.

In an interview with The New York Post, Vonn talked about how her training has changed since retiring from her sport. She says that she focuses more on being lean. "I used to do things that were so sport specific, so I had to be bigger," she explained. "But everyone is like, 'Oh my God, you're in the best shape of your life.' It's like — yes and no. I'm not training for my sport anymore, I am training to be lean and fit."

Vonn shares some of her wellness and health tips on Instagram. She said in one of her stories that she enjoys staying healthy. "1) Continue to take care of me," she said. "2) Maintain this clean living (foods, self care and personal growth. 3) Keep working out because it makes me happy and I feel better when I do it… and just ENJOY LIFE!"

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In an interview with Live Naturally, Vonn talked about how she learned to eat healthy. "I was pretty clueless about nutrition as a kid. Diets have changed a lot too, because back when I was a teenager people were telling me to load up on carbs. I'd tell my younger self that mac and cheese was not the best meal … Plus, I ate a ton of the sugariest-possible cereal—that's like eating solid corn syrup! I'd also get myself to eat vegetables—I'm still not the best at eating them now; I try hard, but I've tended to rely on vitamins and supplements."

When it comes to carbs, Vonn chooses ones that are low-glycemic. "I ate Paleo [no grains, legumes or added sugar, and minimal dairy] for two and a half years, but now I've added more low-glycemic carbohydrates in the morning and afternoon for more energy and more protein and vegetables in the evening," she told Live Naturally. "Some low-glycemic carbs I like to eat are quinoa, Thai rice noodles or pumpernickel bread—they don't give me as high of an insulin response."

Vonn makes sure to get enough protein, and tells Live Naturally that she needs to pick the right proteins. "I used to drink a protein shake in between my runs in GS or slalom, but I found that if you have too much protein while you're working out, it takes too much energy for your body to process it, which is energy your body then can't use for fuel. So now I'll have a pumpernickel sandwich with almond butter and apple or banana, so I get carbs, proteins and fat all together."