How much body fat do you need to have abdominal muscles?
Many people mistakenly believe that as long as their body fat percentage is low enough, they can have obvious abdominal muscles. In fact, body fat rate is only one factor, and muscle mass, genes, eating habits, etc. are all closely related. If you want to have ideal abdominal muscles, in addition to controlling your body fat rate, it is more important to exercise your abdominal muscles through regular exercise in order to show perfect lines.