How does low body fat affect abs?

Low body fat is crucial for revealing abs, as it allows the muscle definition underneath to become visible. According to Sal Di Stefano, while the common saying is that "abs are made in the kitchen," it's more accurate to say that abs are revealed in the kitchen and made in the gym. This underscores the importance of both diet and exercise in achieving visible abs. He further explains that a well-developed muscle, such as the abs, will be more visible even at higher body fat percentages, indicating the value of strength training the abdominal muscles for better visibility 1.