Chest Exercise · Leverage Machine

Lever Seated Fly form demonstration - targeted for Pectorals Chest workouts

Lever Seated Fly

The seated fly isolates the chest through horizontal adduction with the machine controlling the arc, which removes the stabilization demands a dumbbell fly requires. That fixed path lets you focus purely on squeezing the pecs together rather than balancing the weights through the range.

Go to the movement steps
Category
Chest
Target
Pectorals

Exercise reference published by PlanWorkouts; see our editorial standards.

How to Do the Lever Seated Fly

  1. Set the seat height and position yourself on the machine with your back against the pad.
  2. Grasp the handles with a pronated grip and keep your elbows slightly bent.
  3. Exhale and push the handles forward, bringing them together in front of your chest.
  4. Pause briefly, squeezing your chest muscles.
  5. Inhale and slowly return to the starting position, allowing your chest muscles to stretch.
  6. Execute the desired number of reps with smooth cadence and consistent focus on the pectorals.

Quick Exercise Facts

Movement Type Targeted (Isolation)
Equipment Leverage Machine
Main Muscle Pectorals
Supporting Muscles Trapezius

Recommended Sets & Reps by Goal

Build Muscle & Size 3 – 4 Sets × 10 – 15 Reps

Moderate weight · 60s rest

Tone & Shape 3 Sets × 15 – 25 Reps

Lighter weight · 30–45s rest

Form & Control 2 – 3 Sets × 12 – 15 Reps

Lower slowly for 3 seconds · 60s rest

Technique & Form Tips

Move your arms in a controlled arc toward the front of your body, focusing on horizontal adduction. Follow the demonstrated elbow angle and body support, ensuring your range of motion remains within your personal comfortable limits.

Common Mistakes to Avoid

  • Turning fly into a press: Keep the demonstrated elbow bend instead of repeatedly bending and straightening the elbows to press the load.
  • Overstretching: Limit the backward movement of your arms to a range that feels stable and comfortable.
  • Rushing the contraction: Use a controlled tempo through the entire range, especially as your hands move toward the center.

How to Breathe During This Exercise

Coordinate your breath with the opening and closing phases of the movement.

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Comfort and Control

Choose a load and range you can control. Stop if the movement causes pain. If discomfort persists, stop and ask a qualified professional about an appropriate exercise and range.

General guidance: Mayo Clinic on weight-training technique. Follow the specific movement steps above for this variation.

Muscles Worked

The Lever Seated Fly mainly targets your Pectorals, with your Deltoids helping support the movement, along with your Trapezius.

More Chest Exercises

More Pectorals Exercises

Equipment Alternatives

Don't have leverage machine? These target the same pectorals with different equipment.

FAQ

What muscles does the Lever Seated Fly work?
The Lever Seated Fly mainly works your pectorals. It also helps strengthen your deltoids and trapezius. Using good, smooth form makes sure you work the right muscles and avoid unnecessary strain on your joints.
What equipment do I need for the Lever Seated Fly?
You do the Lever Seated Fly with a leverage machine. Make sure your equipment is set up safely before starting. If you work out at home or have limited gear, check out our alternative exercises below.
What form mistake should I watch for on the Lever Seated Fly?
One mistake to watch for is turning fly into a press: Keep the demonstrated elbow bend instead of repeatedly bending and straightening the elbows to press the load.. Use a comfortable range and a controlled return; reduce the load if you cannot maintain the demonstrated setup.
How many sets and reps should I perform on the Lever Seated Fly?
To tone and grow muscle, do 3 to 4 sets of 10 to 15 smooth reps with 60 seconds of rest, focusing on a full stretch and squeezing the muscle at the top of each rep.
What's a good alternative to the Lever Seated Fly?
The Cable Decline Fly trains your pectorals with cable and a similar movement pattern. Review its form guide before substituting it, since setup and range of motion can differ.
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