Butterfly (Pec Deck) demonstration

Butterfly (Pec Deck)

Learn how to do the Butterfly (Pec Deck) with proper form, setup, and execution.

This leverage machine movement primarily targets chest, including upper chest, lower chest.

How to Perform Butterfly (Pec Deck)

  1. 1

    Add the appropriate amount of weight and sit on the pec deck machine with your back flat against the pad.

  2. 2

    Place your forearms against the pads and grab the handles.

  3. 3

    Retract your shoulder blades, engage your abs, and take a breath.

  4. 4

    Bring both arms together in front of your chest, squeezing your chest at the top and exhale.

  5. 5

    Slowly open your arms back to the starting position and breathe in.

  6. 6

    Repeat for the desired number of repetitions.

Training Guidelines

The targets below are general guidelines. Adjust volume and intensity based on your experience, recovery, and goals. If you track effort, aim for most working sets around RPE 7–9.

GoalSetsRepsRest
Strength3-54-62-3 min
Muscle Growth3-48-1260-90 sec
Endurance2-315-2030-60 sec
Beginner2-310-1560-90 sec

Want to pair movements efficiently? Try grouping them as supersets.

Frequently Asked Questions