Breakdown and Benefits🔥 1. Isometric Hold (One Arm at 90 Degrees): When you hold one arm at 90 degrees, you’re engaging the bicep isometrically. This helps build endurance and strength in that muscle because you’re basically forcing it to stay contracted without movement. 2. Alternating Reps: While one arm is holding, the other arm is doing the actual curling motion. This helps you focus on each arm individually, which can lead to better muscle balance and control. 3. Dual Reps Together: Finish