Pec Deck Fly primarily works the chest. It is categorized as a pull movement and uses Machine.
- Primary muscles
- chest
- Equipment
- Machine
- Movement pattern
- pull
- Catalog difficulty
- 2 of 5
How to do Pec Deck Fly
- Adjust seat so elbows align with handles
- Slight bend in elbows — hug the arc
- Control the return — don’t let weights slam
Common mistakes
- Shoulders shrugged — keep shoulder blades settled
Muscles worked
The primary catalog target is chest. Exercise feel varies with setup, range of motion, and individual anatomy.
Related exercises and substitutions
A useful substitute should preserve the job this movement has in the session—not merely train a nearby body part. Explore the related Movviva guides below, then compare pattern, target muscles, available equipment, and difficulty.
Incline Push-Up · Push-Up · Dumbbell Bench Press · Machine Chest Press · Band Chest Press · Cable / Machine Chest Fly
Put Pec Deck Fly into a plan that adapts.
Movviva builds strength, mobility, and conditioning around your goal, schedule, equipment, and completed training—then gives you the next workout with guided targets and smart swaps.