Institute of Human Anatomy on Instagram: "Why You Can't See Your Muscles (Even If They're Strong!) 💪📏 Ever wonder why some people's muscles are super visible while others' aren't—even with serious strength? Let me show you the anatomy behind muscle definition! What You're Looking At 🔬 This is the left shoulder (deltoid muscle) on a cadaver in early dissection stages. Notice the layers: 1️⃣ Epidermis + Dermis – That thin outer layer you see 2️⃣ Hypodermis (subcutaneous lay