Pec Deck Fly
Learn how to do pec deck fly with a clear setup, controlled movement, and a technique you can repeat.

How to do pec deck fly
- Sit on the machine with your back flat on the pad.
- Take hold of the handles. Tip: Your upper arms should be positioned parallel to the floor; adjust the machine accordingly. This will be your starting position.
- Push the handles together slowly as you squeeze your chest in the middle. Breathe out during this part of the motion and hold the contraction for a second.
- Return back to the starting position slowly as you inhale until your chest muscles are fully stretched.
- Repeat for the recommended amount of repetitions.

Start with a version you can control. Record the same setup and range each time. Add reps or a small load increase when you can repeat the movement without changing the technique.
Plan your next setFrequently asked questions
How do you do pec deck fly?
Sit on the machine with your back flat on the pad. Take hold of the handles. Tip: Your upper arms should be positioned parallel to the floor; adjust the machine accordingly. This will be your starting position. Push the handles together slowly as you squeeze your chest in the middle. Breathe out during this part of the motion and hold the contraction for a second.
What muscles does pec deck fly work?
Pec Deck Fly primarily trains the chest. The exact demand depends on your setup, range, and chosen load.
What is the best technique for pec deck fly?
Choose a manageable load and set your shoulder position before moving. Move through a comfortable arc with a steady torso and controlled elbows. Keep the same range each rep; avoid swinging or shrugging to move extra weight.
What can I do instead of pec deck fly?
Related options include Machine Bench Press, Smith Machine Bench Press, Smith Machine Incline Bench Press. These can have different equipment, range, and movement demands. Open the guides below to compare the setups before choosing a replacement.
Compare related movement setups
Browse the directory pages containing pec deck fly and the related movements above to compare equipment and technique choices.

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