Dumbbell Fly exercise animation (Hombre)

Dumbbell Fly

Músculo objetivo
Pectoralis Major Clavicular Head, Pectoralis Major Sternal Head
Músculos sinergistas
Biceps Brachii, Deltoid Anterior
Equipamiento
Dumbbell
Parte del cuerpo
Chest
Tipo
Strength

The dumbbell fly is a chest isolation exercise that targets the pectoralis major (both the clavicular and sternal heads), with the front deltoids and biceps assisting to control the movement. Performed lying on a flat bench, it stretches and squeezes the chest through a wide arc, making it a useful accessory for building pec size and the mind-muscle connection that pressing alone can miss.

Cómo hacer el Dumbbell Fly

  1. 1Lie flat on the bench with a dumbbell in each hand, feet planted on the floor and shoulder blades pulled down and together.
  2. 2Press the dumbbells up so they sit over your chest with your palms facing each other and your arms extended.
  3. 3Set a soft bend in your elbows and keep that same angle locked for the entire set.
  4. 4Lower the dumbbells out to the sides in a wide arc, leading with your elbows until you feel a stretch across your chest.
  5. 5Stop when your upper arms are roughly level with the bench, keeping your shoulder blades retracted.
  6. 6Reverse the arc and squeeze your chest to bring the dumbbells back together over your chest.
  7. 7Pause briefly at the top with the dumbbells nearly touching, then repeat for your target reps.
  8. 8Finish the set and lower the dumbbells to your thighs or the floor under control.

Consejos de técnica

  • Move through a wide arc rather than a straight push — think of hugging a tree to keep tension on the chest.
  • Keep your shoulder blades retracted and chest up throughout to protect the shoulder joint and isolate the pecs.
  • Use lighter weight than you would for a press; the long lever makes the fly far more demanding on the chest and shoulders.
  • Control the lowering phase and pause in the stretched position to maximize chest engagement.

Errores comunes

  • Bending the elbows more as you lower, which turns the fly into a press and shifts work off the chest.
  • Going too heavy, which forces you to shorten the range and risks overstretching the shoulder at the bottom.
  • Letting the dumbbells drop too far below the bench, which puts excessive strain on the shoulder joint.
  • Losing the shoulder-blade retraction and rounding the shoulders forward, which reduces chest tension and stresses the joint.

Preguntas frecuentes

What muscles does the dumbbell fly work?

It primarily works the chest (pectoralis major, both the clavicular and sternal heads), with the front deltoids and biceps assisting to stabilize and control the arc.

Dumbbell fly vs dumbbell press — what's the difference?

The press bends and extends the elbows to push weight, recruiting the triceps and front delts heavily. The fly keeps the elbows fixed at a soft angle and moves only at the shoulder, isolating the chest through a wide stretch-and-squeeze arc.

How heavy should I go on the dumbbell fly?

Lighter than your press. The straight-arm lever makes the chest work much harder, so most lifters use moderate weight for higher reps to keep good form and avoid overstretching the shoulder.

Is the dumbbell fly good for beginners?

Yes, as an accessory once you can control light dumbbells. Beginners should focus on a soft, fixed elbow bend and a controlled range before adding weight to protect the shoulders.

Ejercicios relacionados