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Hammer Curl

Hammer Curl

The hammer curl is a dumbbell curl with your palms facing each other that works your biceps and brachialis, with help from your forearms.

Biceps · BrachialisDumbbellIsolationBoth sides

How to do a hammer curl

  1. Stand tall with a dumbbell in each hand at your sides, palms facing your thighs.
  2. Keep your upper arms still and curl the dumbbells up toward your shoulders, thumbs pointing up.
  3. Pause at the top without letting your elbows drift forward.
  4. Lower slowly until your arms are straight.

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Tips

  • Keep your palms facing each other for the whole rep.
  • Keep your elbows pinned to your sides.

Common mistakes

  • Turning your palms up during the curl.
  • Swinging your body to lift the weight.

Hammer Curl muscles worked

Main: Biceps, Brachialis; also: Forearms.

Hammer Curl: main biceps, brachialis; also forearmsFrontBack
MainAlso worked

Sets and reps

3 × 10–15

Alternatives

Compare: Hammer Curl vs Bicep Curl

FAQ

What does the hammer curl work that a regular curl doesn't?

The neutral grip puts more work on the brachialis and the forearm muscles, which add thickness to the arm.

Can I do hammer curls one arm at a time?

Yes. Alternate arms or finish one side first; the form is the same.