Tag: Fitness myth

Over 90% of people experience muscle movement when their body is at rest, leading to the common question: **Does muscle jiggle when not flexed?** The short answer is yes, and it's a completely natural physiological phenomenon that tells a lot about your body's composition and health.

According to research, approximately 2% of the population is genetically predisposed to developing only a two-pack, making it the rarest number of abs. This anatomical configuration is a striking example of how genetics, not just training, fundamentally determines the appearance of your abdominal muscles.