Dumbbell Fly

How to Perform the Dumbbell Fly

Lie flat on a bench with a dumbbell in each hand, arms extended above your chest with palms facing each other.
Plant your feet firmly on the floor and retract your shoulder blades into the bench.
Maintain a slight bend in your elbows — lock this angle and keep it fixed throughout the entire movement.
Lower the dumbbells in a wide arc out to the sides, feeling a deep stretch across your pectorals.
Stop when your upper arms are roughly parallel to the floor — do not go deeper.
Squeeze your chest to reverse the arc, bringing the dumbbells back together above your chest.
Hold the contraction briefly at the top with the dumbbells nearly touching, then repeat.

Bending and straightening the elbows (turning it into a press)

Fix your elbow angle at a slight bend and maintain it throughout. The only movement should occur at the shoulder joint.

Going too deep and overstretching the shoulder

Stop the descent when your upper arms are in line with your torso. Going deeper risks shoulder impingement.

Using dumbbells that are too heavy

Flyes are a stretch and squeeze movement, not a strength exercise. Use moderate weight with controlled form.

✓Provides a deep stretch on the pectoral fibres that pressing movements cannot replicate
✓Isolates the chest with minimal tricep involvement for targeted pec development
✓Improves chest width and the mind-muscle connection with the pectorals
✓Low loading requirement makes it effective even with limited dumbbell availability

●Imagine you are hugging a barrel — this mental cue helps maintain the correct arc throughout the movement.
●Use dumbbell flyes after your heavy pressing sets to finish off the chest with high-quality isolation work.
●Slow eccentrics (3-4 seconds on the way down) dramatically increase the effectiveness of this exercise.

Strength

3-4 sets of 6-8 reps

Hypertrophy

3-4 sets of 10-15 reps

Endurance

2-3 sets of 15-20 reps

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