Do You Have This Rare Muscle in Your Body? 🤯 It’s called the pyramidalis, and chances are… you’ve never heard of it. This tiny triangle-shaped muscle sits just above the pubic bone and helps tense the linea alba—the connective tissue down the center of your abs. The kicker? Roughly 20% of people don’t even have one! (Research shows it’s absent in about 1 in 5 bodies.) It’s a vestigial muscle, meaning it doesn’t play a major role anymore—but that doesn’t mean it’s totally useless. In cases of lo