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How to do it
- Stand tall with a dumbbell in each hand, arms hanging, palms facing your thighs.
- Set a slight bend in both elbows so the biceps stay under tension at the bottom.
- Keep the torso still and pin both elbows to your sides.
- Curl one dumbbell toward the shoulder, keeping the palm facing in the whole way.
- Squeeze at the top, then lower that dumbbell until the arm is almost straight.
- Curl the other arm the same way and keep alternating for the set.
Common mistakes
- Swinging the torso or the dumbbell to finish the rep.
- Letting the elbows drift forward, which turns the curl into a front raise.
- Cutting the lowering phase short instead of reaching near-full elbow extension.
- Rushing the switch so neither arm gets a controlled, independent rep.
Muscles worked
Good to know
- What muscles does the Alternate Hammer Curl work?
- Mainly the biceps. It also works the forearms.
- What equipment do you need for the Alternate Hammer Curl?
- It uses dumbbells. Without it, the Backpack Curls and the Cable Bar Curl train the same muscles the same way.
- Is the Alternate Hammer Curl good for beginners?
- GymVim rates it beginner.