Want better biceps? Let’s talk science, not just curls. 🧬🔥 Your biceps are made of two heads (short + long), and research shows they respond best to: 📌 Mechanical tension Controlled reps increase muscle fiber recruitment — especially during the eccentric (lowering) phase. 📌 Varied grip + elbow position Changing your grip (supinated, neutral, wide, narrow) shifts which head of the biceps works harder. Variety = better hypertrophy. 📌 Full range of motion Studies show train