Iron Streak- Main muscle
- Biceps
- Also works
- Forearms
- Equipment
- Dumbbells, other weight machines or Dumbbells, bench
How to do it
- Sit at the preacher bench with the back of your arm flat on the pad, dumbbell in hand.
- Curl the weight up toward your shoulder.
- Lower slowly until your arm is almost straight.
Common mistakes
- Lifting your shoulder or elbow off the pad.
- Dropping the weight fast at the bottom.
Know what to lift next
Iron Streak puts lifts like the Single-Arm Dumbbell Preacher Curl into a weekly plan built around your goal, schedule and equipment. Every set shows the weight and reps to aim for, and your streak keeps score.