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Direction-of-travel diagram for the elbow flexion pattern. Photography for the Hammer Curl is not shot yet.
StrengthIn review

Hammer Curl

A bilateral dumbbell curl performed with the palms facing each other.

This page is a working draft. A coach has not reviewed it, so read it as a starting point, not as checked instruction.

Pattern
Elbow flexion
Modality
Strength
Difficulty
Beginner
Mechanic
Unknown
Force
Unknown
Laterality
Bilateral
Impact
Low
Trains where
Gym, Home
At home
Yes

How to do it

Set up

  1. Stand tall or sit upright with a dumbbell in each hand.
  2. Face your palms toward each other and keep the elbows close to the torso.

Do the rep

  1. Curl both dumbbells upward without turning the wrists.
  2. Lower the weights until the arms are straight.

What counts as a rep

A rep counts when both dumbbells reach the top with palms inward and the elbows return to straight.

One rep starts with both elbows extended, completes the curl with palms facing inward, and ends with both elbows extended again.

Breathing

Exhale as you curl; inhale as the dumbbells lower.

Cues

  • Keep palms facing in.
  • Keep elbows still.
  • Lower with control.

Common mistakes

  • Wrists rotate

    What you seeThe palms turn upward during the curl.

    FixKeep the thumbs pointing forward throughout the rep.

    A neutral grip distinguishes the hammer curl from a supinated curl.

  • Torso swings

    What you seeThe hips or shoulders move to lift the weights.

    FixReduce the load and keep the trunk still.

    A still torso keeps the load at the elbows.

Stop the set if

  • Stop if you feel sharp pain.
  • Stop if you must swing the torso or rotate the wrists to lift the dumbbells.
  • End the set when you cannot meet the stated range under control.

General educational content, not individual coaching or medical advice.

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