@instituteofhumananatomy: 💪 The six-pack muscle has a real name — and most people actually have eight blocks, not six. The rectus abdominis (literally "straight muscle of the abdomen") runs vertically down the front of your core. Down the middle sits the linea alba — a white line of connective tissue that divides it into right and left halves. Those individual "blocks" you see? They're created by tendinous intersections — bands of connective tissue that segment the muscle. And here's what most people don't know: the majority of us have eight segments, not six. It's just that the bottom two are hidden beneath a layer of adipose tissue — which is why they're the last to show up and the hardest to uncover. 🔬 The six-pack was always there. It's just a body fat story. 😅 Follow for more anatomical awesomeness! #tiktoklearningcampaign #anatomy #humananatomy #rectusabdominis #sixpack #coretraining #abs #abdominals #lineaalba #fitness #exercisescience #physiology #anatomyandphysiology #bodycomposition #medschool #learnontiktok