Iron Streak- Main muscle
- Biceps
- Also works
- Forearms
- Equipment
- Dumbbells
How to do it
- Sit on a bench, lean forward, and brace the back of your arm against your inner thigh.
- Let the dumbbell hang with your arm straight.
- Curl it up toward your shoulder, keeping your upper arm still.
- Lower slowly all the way down.
Common mistakes
- Lifting your elbow off your thigh.
- Swinging your torso to help.
Know what to lift next
Iron Streak puts lifts like the Concentration 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.