The answer to this question depends on how you define "work." If you're simply asking whether skiing can help tone your abdominal muscles, then the answer is yes. However, if you're asking whether skiing can help you lose weight around your midsection, the answer is a bit more complicated. Skiing can certainly help burn calories and promote weight loss, but it's not necessarily the most efficient way to target abdominal fat specifically. For that, you might want to consider adding some targeted ab exercises to your routine or focusing on other forms of cardio like running or biking. At the end of the day, though, any form of exercise is going to be beneficial for your overall health – so if you enjoy skiing, there's no reason not to hit the slopes!