What you'll gain

• Builds biceps size one arm at a time.

• Fixes side-to-side imbalances in elbow flexion.

• Trains controlled curl mechanics with isolated load.

Step-by-Step Instructions

1. 1

   Stand tall with a dumbbell in one hand at your side and the other hand resting on your hip.

2. 2

   Set your feet shoulder-width apart with knees soft and core lightly braced.

3. 3

   Start with the working arm fully extended and palm facing your thigh.

4. 4

   Curl the dumbbell up toward your shoulder, rotating your palm to face up as the elbow bends.

5. 5

   Squeeze the biceps hard at the top with the elbow tucked beside your ribs.

6. 6

   Lower the dumbbell slowly back down to full extension, then repeat for reps before switching arms.

Common Mistakes

• Swinging the torso back to throw the dumbbell up, which turns the curl into a body swing.

• Letting the elbow drift forward, which shortens the biceps stretch and turns the lift into a partial.

• Cutting the bottom range short and not fully extending the arm, which kills the stretch position.

• Rushing the lowering phase, where most of the muscle-building tension actually lives.

About This Exercise

The dumbbell standing single arm curl is the most stripped-down biceps lift in any program. Standing tall and curling one dumbbell at a time, with the palm rotating up through the rep, isolates each biceps individually so weak sides can't hide behind strong sides. It's accessible to beginners and still useful in advanced arm specialization phases. For app and program builders, this clip is a permanent fixture in any arm-day or upper-body block. It's especially useful in beginner onboarding tracks because the unilateral setup makes form easy to coach and easy to feel. Pair it with hammer curls and overhead extensions for a complete arm assortment in your library.

Looking for an exercise animation collection for your app, coaching platform, or content workflow? MoveKit gives you consistent quality across every movement so your product feels cohesive from first launch through scale.

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