Weight loss also wasn't a goal for me in this experiment, so I can't say how that ended up changing for me (if at all). But I did notice a pretty big difference in how I felt. I was more aware of my body, in a good way — even when I wasn't in a Pilates class, I felt much more in control of my movements than I had before. By the end of the month, my legs felt firm, my core felt strong, and, when my mom visited one weekend, right before the fourth week of my Pilates training, she told me that my posture looked "much better than usual."
Usually the body uses glucose (a form of sugar) from carbohydrates (found in foods like sugar, bread or pasta) for its energy source. Chemicals called ketones are made when the body uses fat for energy (this is called ‘ketosis’). With the ketogenic diet, the body mostly uses ketones instead of glucose for its energy source. Research has shown that a particular fatty acid, decanoic acid, may be involved in the way the diet works. 
Because cycling is primarily a lower body sport, riders can lose muscle volume in their upper body. The solution? Year-round resistance training. This doesn’t mean you have to spend hours in the weight room—as little as 20 minutes twice a week during the cycling season and 30 minutes two or three times a week during the winter will maintain and even increase your upper-body muscle mass.
×