I have been weighing in daily with a Weight Gurus scale that reads body fat and muscle percentage. After 4 month hiatus off the bike, I have built up my FTP from about 210 in January to 265 as of a month ago. I’ve also lost 14 lbs in the process. However, in January I weighed 203 and had a muscle reading of 41.7% - which I believe indicates 84.65 lbs of muscle. Today I weighed in at 189 with a muscle reading of 43.1% - or 81.46 lbs of muscle. Body fat percentage is down from 18.6% to 16%.
Before I chuck this scale, I thought I’d check if this is even possible? Can you lose both muscle and fat while building FTP? I am not doing any calorie counting or restrictive eating. I follow each workout with a recovery shake, eat pretty carb-centered and don’t skimp on the protein. My rides are 120 minutes or less. I just don’t see how this scale could be telling me the truth.
PS. I’m in my second month of using TrainerRoad and I love it.