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How to do it
- Stand tall with a dumbbell in one hand at your side and the other hand resting on your hip.
- Set your feet shoulder-width apart with knees soft and core lightly braced.
- Start with the working arm fully extended and palm facing your thigh.
- Curl the dumbbell up toward your shoulder while keeping the palm facing in throughout the rep.
- Squeeze the biceps and brachialis hard at the top with the elbow tucked beside your ribs.
- Lower the dumbbell slowly back down to full extension, then repeat for reps before switching arms.
Common mistakes
- Rotating the wrist into a regular curl partway up, which turns the hammer into a standard biceps curl.
- Swinging the torso to throw the dumbbell up, which removes the work from the biceps and forearm.
- Letting the elbow drift forward, which shortens the range and reduces brachialis loading.
- Cutting the lowering phase short, which skips most of the muscle-building tension.
Muscles worked
- Primary
- Biceps
Good to know
- What muscles does the Dumbbell Standing Single Arm Hammer Curl work?
- Mainly the biceps.
- What equipment do you need for the Dumbbell Standing Single Arm Hammer Curl?
- It uses dumbbells. Without it, the Backpack Curls and the Cable Bar Curl train the same muscles the same way.
- Is the Dumbbell Standing Single Arm Hammer Curl good for beginners?
- GymVim rates it beginner.