Pec Deck Fly vs Cobra Push-up
Which one fits your Chest workout plan?
Contents
Planfit users log Pec Deck Fly more often — 43,845 sessions vs 283. Compare Chest form, muscles worked, and when to use each.
Compare the benefits of Pec Deck Fly and Cobra Push-up and pick the one that fits your Chest workout.
Pec Deck Fly vs Cobra Push-up: 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 283 for Cobra Push-up.
What most people do isn't always what fits you. Pec Deck Fly and Cobra Push-up 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 Cobra Push-up Differ
| What differs | Pec Deck Fly | Cobra Push-up |
|---|---|---|
| Muscles worked | chest and biceps | chest, triceps, and front delts |
| Equipment | a machine | bodyweight only |
| Difficulty | 1 of 5 | 2 of 5 |
| Sessions logged by Planfit users | 43,845 sessions | 283 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 Cobra Push-up
Cobra Push-up Muscles Worked: Chest
Form
- 1. Lie face down on the floor with your hands under your shoulders.
- 2. Extend your arms and lift your upper body.
- 3. Slowly return to the original position.
Coach's Tips
- Be careful not to strain your shoulders.
For a full Cobra Push-up guide with alternatives and benefits, see the Cobra Push-up exercise guide.
Frequently Asked Questions
Which is better for Chest, Pec Deck Fly or Cobra Push-up?
Planfit users log Pec Deck Fly more often — 43,845 sessions against 283 for Cobra Push-up. 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 Cobra Push-up work the same muscles?
Not quite. Pec Deck Fly loads chest and biceps, and Cobra Push-up loads chest, triceps, and front delts.
What equipment do Pec Deck Fly and Cobra Push-up need?
Pec Deck Fly needs a machine, and Cobra Push-up needs bodyweight only.
Which is easier to start with?
Pec Deck Fly is the easier place to start. Move to Cobra Push-up once your form holds up.
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