← Exercise LibraryExtended Curled
Hammer Curl
Also written as Hammer curls
What it trains
brachialis, brachioradialis
Also: biceps brachii, forearm flexors
Equipment
dumbbells
Setup
- Stand tall with a dumbbell in each hand, palms facing each other.
- Keep the elbows close to the ribs.
Execution
- 1.Curl the dumbbells up while keeping the palms facing each other throughout.
- 2.Stop when the forearms are just past vertical.
- 3.Lower under control to full extension.
Breathing
Exhale as you curl, inhale as you lower.
Form cues
- Neutral grip the whole way — no rotation.
- Elbows fixed at the sides.
- Control the lowering.
Common mistakes
- Rotating the wrists and turning it into a standard curl.
- Swinging the dumbbells up with the hips.
- Letting the elbows drift forward.