Dumbbell One Arm Prone Curl
- Músculo objetivo
- —
- Equipamiento
- Dumbbell
- Parte del cuerpo
- Upper Arms
- Tipo
- Strength
The dumbbell one arm prone curl is a strict single-arm biceps exercise for the upper arms, performed face-down on an incline bench. Lying chest-down braces your torso so you can't swing the weight or use body english, isolating the working biceps through a full, controlled range. It's a clean accessory for building the biceps and evening out side-to-side strength.
Cómo hacer el Dumbbell One Arm Prone Curl
- 1Set an incline bench to roughly 45° and lie face-down (prone) on it with your chest supported and your feet stable on the floor.
- 2Hold a dumbbell in one hand with a supinated (palm-up) grip and let that arm hang straight down toward the floor, fully extended.
- 3Brace your torso against the pad and point your upper arm down, keeping it still for the whole set.
- 4Curl the dumbbell up by bending your elbow, bringing the weight toward your shoulder while your upper arm stays fixed.
- 5Squeeze your biceps at the top, holding briefly without letting your elbow drift forward.
- 6Lower the dumbbell slowly under control until your arm is fully extended again.
- 7Complete all reps on one arm, then switch the dumbbell to the other hand and repeat.
- 8Set the dumbbell down with control once both arms are done.
Consejos de técnica
- Keep your chest pressed into the pad so your torso stays still and the biceps does all the work.
- Move only at the elbow — a fixed upper arm is what makes this curl strict and isolated.
- Control the lowering phase for 2–3 seconds; the prone position makes the lowering especially effective for building the biceps.
- Start lighter than you would on a standing curl, since the supported position removes any help from momentum.
- Keep your wrist firm and stacked rather than letting it bend back, so the load stays on the biceps.
Errores comunes
- Swinging the dumbbell or rocking your torso off the pad, which defeats the strict, support-isolated purpose of the prone position.
- Letting the upper arm drift forward as you curl, which shortens the range and takes tension off the biceps.
- Dropping the dumbbell quickly on the way down, wasting the lowering phase where much of the muscle-building stimulus comes from.
- Using too much weight so you can't fully straighten the arm at the bottom, cutting the range of motion short.
- Bending the wrist back under load instead of keeping it stacked, which strains the wrist and bleeds tension off the biceps.
Preguntas frecuentes
What muscles does the dumbbell one arm prone curl work?
It works the biceps of the upper arm. Curling one arm at a time while lying face-down isolates the biceps and keeps steady tension on it through the full range.
Why curl lying face-down instead of standing?
Lying prone braces your torso against the bench so you can't swing the weight or lean back. That removes momentum and forces the biceps to lift the dumbbell on its own, making it stricter than a standing curl.
What incline angle should the bench be set to?
Around 45° works well for most people. It lets the working arm hang straight down with a full stretch while keeping your chest comfortably supported; adjust slightly so your arm hangs freely.
How many sets and reps should I do?
For building the biceps, 3–4 sets of 8–12 reps per arm is a solid range. Because momentum is removed, use a weight you can control through a full range without swinging.
Is the dumbbell one arm prone curl good for beginners?
Yes. The chest-supported position makes it hard to cheat, so it's a useful way to learn strict curl form. Working one arm at a time also helps even out left-to-right strength differences.
