Pec Deck Fly vs Dumbbell Fly
Which one fits your Chest workout plan?
Contents
Planfit users log Pec Deck Fly more often — 43,845 sessions vs 6,111. Compare Chest form, muscles worked, and when to use each.
Compare the benefits of Pec Deck Fly and Dumbbell Fly and pick the one that fits your Chest workout.
Pec Deck Fly vs Dumbbell Fly: Which Do Planfit Users Choose?
Based on randomly selected data from 1 million completed workouts, Planfit users log Pec Deck Fly more often — 43,845 sessions compared to 6,111 for Dumbbell Fly.
What most people do isn't always what fits you. Pec Deck Fly and Dumbbell Fly differ in the muscles they work, the equipment they need, and how hard they are to learn — the comparison below covers each.
How Pec Deck Fly and Dumbbell Fly Differ
| What differs | Pec Deck Fly | Dumbbell Fly |
|---|---|---|
| Muscles worked | chest and biceps | chest, biceps, and front delts |
| Equipment | a machine | a dumbbell |
| Difficulty | 1 of 5 | 4 of 5 |
| Sessions logged by Planfit users | 43,845 sessions | 6,111 sessions |
How to Do Pec Deck Fly
Pec Deck Fly Muscles Worked: Chest
Form
- 1. With your arms slightly bent, use your chest muscles to bring your hands together.
- 2. Slowly return to the starting position.
Coach's Tips
- 1. Please use light weights as this exercise can put strain on your shoulders.
- 2. If you experience shoulder pain, please stop and substitute with another exercise.
- 3. Be careful not to fully extend your arms.
For a full Pec Deck Fly guide with alternatives and benefits, see the Pec Deck Fly exercise guide.
How to Do Dumbbell Fly
Dumbbell Fly Muscles Worked: Chest
Form
- 1. Slightly bend your arms and lower the dumbbells to chest height.
- 2. Slowly lift the dumbbells back to the starting position.
Coach's Tips
- 1. Please use light weights as this exercise can put strain on your shoulders.
- 2. If you experience shoulder pain, please stop and switch to another exercise.
- 3. Be careful not to fully extend your arms.
For a full Dumbbell Fly guide with alternatives and benefits, see the Dumbbell Fly exercise guide.
Frequently Asked Questions
Which is better for Chest, Pec Deck Fly or Dumbbell Fly?
Planfit users log Pec Deck Fly more often — 43,845 sessions against 6,111 for Dumbbell Fly. Both train Chest, so pick the one that matches the equipment you have and the muscles you want to load.
Do Pec Deck Fly and Dumbbell Fly work the same muscles?
Not quite. Pec Deck Fly loads chest and biceps, and Dumbbell Fly loads chest, biceps, and front delts.
What equipment do Pec Deck Fly and Dumbbell Fly need?
Pec Deck Fly needs a machine, and Dumbbell Fly needs a dumbbell.
Which is easier to start with?
Pec Deck Fly is the easier place to start. Move to Dumbbell Fly once your form holds up.
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