Curl Martillo Con Mancuernas

bíceps brazos superiores mancuerna

Aprende cómo hacer el Curl Martillo Con Mancuernas con la forma y técnica correcta. Este ejercicio de mancuerna trabaja principalmente tu Bíceps, con énfasis secundario en Antebrazos.

Demostración del ejercicio Curl Martillo Con Mancuernas mostrando la forma correcta

Cómo Hacer el Curl Martillo Con Mancuernas

Sigue estos pasos para realizar el Curl Martillo Con Mancuernas con la forma correcta:

1De pie con la espalda recta y una mancuerna en cada mano, las palmas mirando hacia el torso.
2Mantén los codos cerca del torso y rota las palmas hacia adelante.
3Esta será tu posición inicial.
4Manteniendo los brazos superiores estacionarios, exhala y sube los pesos contrayendo los bíceps.
5Continúa subiendo hasta que los bíceps estén completamente contraídos y las mancuernas estén a la altura de los hombros.
6Mantén la contracción un momento apretando los bíceps.
7Inhala y baja lentamente las mancuernas a la posición inicial.
8Repite el número de repeticiones recomendado.

Músculos Trabajados en Curl Martillo Con Mancuernas

Principal

bíceps

Secundario

antebrazos

Detalles del Ejercicio

Equipo: mancuerna
Parte del Cuerpo: brazos superiores
Categoría: Principal

Músculos y Anatomía

The neutral grip (palms facing each other) of the hammer curl shifts the emphasis away from the biceps brachii and onto the brachialis and brachioradialis. The brachialis is a flat muscle that sits underneath the biceps and, when developed, pushes the biceps up — creating more visible arm size even when the biceps itself isn't growing. The brachioradialis runs from the forearm up to the lateral elbow and is a major contributor to elbow flexion in the neutral-grip position. This makes the hammer curl uniquely effective for building thick, well-rounded arms from every angle.

Consejos Pro para Mejores Resultados

1Keep the palms facing each other throughout the entire movement — don't let them rotate. The neutral grip is what switches the emphasis to the brachialis and brachioradialis, so rotating defeats the purpose.
2Start from a dead hang with arms fully extended. Partial reps at the top don't train the stretched position, which is where the brachialis gets most of its stimulus.
3You can do these alternating or simultaneously. Alternating lets you focus on each arm individually and often allows better mind-muscle connection; simultaneous keeps time under tension even across both arms.

Errores Comunes que Debes Evitar

✗ Swinging the elbows forward at the top of the rep

Corrección: Your upper arms should stay vertical and stationary. Only your forearms move. Letting the elbows swing forward turns this into a partial front raise and reduces the curl range of motion.

✗ Using momentum to swing the weight up

Corrección: If you're swinging, reduce the weight. Hammer curls are not heavy-loading movements — the brachialis and brachioradialis are smaller muscles than the biceps and don't require the same load to be maximally stimulated.

✗ Not achieving full elbow extension at the bottom

Corrección: Lower the dumbbells completely until your arms are straight. Stopping early shortchanges the brachialis — this muscle responds especially well to being trained through full ROM.

✗ Gripping the dumbbells too tightly

Corrección: An excessively tight grip causes forearm fatigue to limit your sets before your target muscles are adequately trained. Use a firm but not white-knuckle grip, and allow the forearms to recover between sets.

Cómo Programar el Curl Martillo Con Mancuernas

Series y Repeticiones

3–4 sets of 10–15 reps. Hammer curls respond well to moderate-to-high rep ranges because the brachialis and brachioradialis are predominantly slow-twitch muscle fibers. Going too heavy (under 6 reps) usually results in form breakdown and doesn't provide more stimulus.

Frecuencia

2 times per week. Hammer curls pair naturally with regular biceps curls — do them as a second curl variation after your primary curl of the day. A common pairing: barbell curls first (heavy, 6–10 reps), hammer curls second (moderate, 12–15 reps).

Dónde Colocarlo en tu Entrenamiento

Use hammer curls as a secondary exercise after your heavier compound or direct biceps work. They also work well as a superset paired with triceps pushdowns for time-efficient arm training.

Cómo Progresar

Because form degrades quickly with heavy loading on hammer curls, progression is best done by adding reps before adding weight. Once you hit the top of your rep range (15 reps) with clean form across all sets, add 2.5–5 lbs per dumbbell.

Variaciones y Alternativas

Cross-Body Hammer Curl

Instead of curling straight up, bring each dumbbell across your body toward the opposite shoulder. This variation increases brachioradialis activation and adds a slight rotational component. Alternate arms each rep.

Cable Hammer Curl

Attach a rope handle to a low cable pulley. The cable maintains constant tension through the full range of motion — unlike dumbbells, which have less tension at the bottom. Excellent for advanced trainees chasing more stimulus.

Incline Hammer Curl

Set an adjustable bench to 45–60° and perform hammer curls with arms hanging straight down. The incline position stretches the brachialis further and increases the effective range of motion, creating a stronger growth stimulus.

Ejercicios Relacionados

Preguntas Frecuentes

What muscles does the Curl Martillo Con Mancuernas work?

The Curl Martillo Con Mancuernas primarily targets your Bíceps. Secondary muscles worked include Antebrazos. This makes it an effective exercise for developing your upper arms.

What equipment do I need for the Curl Martillo Con Mancuernas?

The Curl Martillo Con Mancuernas requires mancuerna. Make sure your equipment is properly set up and you have enough space to perform the movement with full range of motion.

How do I perform the Curl Martillo Con Mancuernas with proper form?

Start by de pie con la espalda recta y una mancuerna en cada mano, las palmas mirando hacia el torso.. Mantén los codos cerca del torso y rota las palmas hacia adelante. Esta será tu posición inicial. Focus on controlled movement throughout the entire range of motion. See the full step-by-step instructions above for complete form guidance.

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