Bullish (Video) Seated Preacher Curls: 40% & 100% Biceps Workout. Posted: March 1, 2025 | Last updated: March 19, 2025. More for You ...

Concentration curls: This variation is performed seated, holding a dumbbell in one hand. The upper body leans forward slightly, with the elbow placed on the inside of the same side knee, arm straight.