How to do it
- Supinate as you curl — turn the palm up, which is what the biceps actually does.
- Alternate or both at once; just keep the elbows still either way.
Common mistakes
- Shrugging at the top to squeeze out one more.
In StackUp. Logged as weight and reps per set, and your heaviest working set decides whether the weight goes up next time. Get the app.
Arms
