10 Best Floor Fly (With Barbell) Alternatives for Chest Isolation

The Floor Fly (With Barbell) is done lying on your back with a barbell. Ranked closest by our scoring: the Wide-grip Decline Barbell Pullover, Bodyweight Flyes and the Dumbbell Fly On Exercise Ball.

Each substitute is scored on movement pattern, muscles worked, equipment and body position. Read how we rank alternatives

How to Do the Floor Fly (With Barbell)

The steps for the Floor Fly (With Barbell) itself, so you can judge how close each substitute below really is.

Pectorals, with deltoids, triceps · Barbell · Intermediate · Isolation

  1. Lie flat on your back on the floor with your knees bent and feet flat on the ground.
  2. Hold a barbell with an overhand grip, arms extended straight up over your chest.
  3. Slowly lower the barbell out to the sides, keeping a slight bend in your elbows.
  4. Lower the barbell until your arms are parallel to the floor, feeling a stretch in your chest.
  5. Pause for a moment, then squeeze your chest muscles to bring the barbell back to the starting position.
  6. Repeat for the desired number of repetitions.

The 10 Best Floor Fly (With Barbell) Alternatives

10 substitutes, ranked by how closely each one matches the Floor Fly (With Barbell) on movement pattern, muscles worked, equipment and body position. The higher the score, the less you change. Cards with a "How to perform it" link open to show the steps; every card title links to that exercise's own alternatives page.

Each link re-ranks the list below for the kit it names. Pick one to hide the substitutes you cannot set up.

  1. Bodyweight Flyes

    Pectorals · Intermediate · Isolation

    A good swap when you have an EZ bar to work with, and it still works the pectorals.

    • Ez-barbell
    How to perform it
    1. Position two equally loaded EZ bars on the ground next to each other. Ensure they are able to roll.
    2. Assume a push-up position over the bars, supporting your weight on your toes and hands with your arms extended and body straight.
    3. Place your hands on the bars. This will be your starting position.
    4. Using a slow and controlled motion, move your hands away from the midline of your body, rolling the bars apart. Inhale during this portion of the motion.
    5. After moving the bars as far apart as you can, return to the starting position by pulling them back together. Exhale as you perform this movement.

    Sets and reps: 3 sets of 10 to 15 reps.

    Why this matches
    • Movement: chest fly, the same as the Floor Fly (With Barbell)
    • Primary muscle: pectorals, the same as the Floor Fly (With Barbell)
    • Equipment: free weights, the same as the Floor Fly (With Barbell)
    • Body position: lying on your back, the same as the Floor Fly (With Barbell)
  2. Pectorals · Intermediate · Isolation

    A good swap when you have a stability ball to work with, and it still works the pectorals.

    • Stability-ball
    How to perform it
    1. Sit on an exercise ball and hold a dumbbell in each hand.
    2. Walk your feet forward and roll your body down until your head, neck, and upper back are supported by the ball.
    3. Extend your arms straight up above your chest, palms facing each other.
    4. Bend your elbows slightly and lower your arms out to the sides in a wide arc until you feel a stretch in your chest.
    5. Pause for a moment, then reverse the movement and squeeze your chest muscles as you bring the dumbbells back to the starting position.
    6. Repeat for the desired number of repetitions.

    Sets and reps: 3 sets of 10 to 15 reps.

    Why this matches
    • Movement: chest fly, the same as the Floor Fly (With Barbell)
    • Primary muscle: pectorals, the same as the Floor Fly (With Barbell)
    • Body position: lying on your back, the same as the Floor Fly (With Barbell)
    • Balance: harder to stay steady on than the Floor Fly (With Barbell)
  3. Pectorals · Intermediate · Compound

    The same equipment, taken with an overhand grip.

    • Barbell
    How to perform it
    1. Lie down on a decline bench with your head lower than your hips and your feet secured.
    2. Hold the barbell with a pronated grip (palms facing away from you) and your hands slightly wider than shoulder-width apart.
    3. Extend your arms above your chest, keeping a slight bend in your elbows.
    4. Lower the barbell in an arc motion behind your head, feeling a stretch in your chest and shoulders.
    5. Pause for a moment, then return the barbell to the starting position by reversing the motion.
    6. Repeat for the desired number of repetitions.

    Sets and reps: 3 or 4 sets of 6 to 10 reps.

    Why this matches
    • Primary muscle: pectorals, the same as the Floor Fly (With Barbell)
    • Equipment: free weights, the same as the Floor Fly (With Barbell)
    • Body position: lying on your back, the same as the Floor Fly (With Barbell)
  4. Flat Bench Cable Flyes

    Pectorals · Intermediate · Isolation

    A good swap when you have a cable machine to work with, and it still works the pectorals.

    • Cable
    How to perform it
    1. Position a flat bench between two low pulleys so that when you are laying on it, your chest will be lined up with the cable pulleys.
    2. Lay flat on the bench and keep your feet on the ground.
    3. Have someone hand you the handles on each hand. You will grab each single handle attachment with a palms up grip.
    4. Extend your arms by your side with a slight bend on your elbows. Tip: You will keep this bend constant through the whole movement. Your arms should be parallel to the floor. This is your starting position.
    5. Now start lifting the arms in a semi-circle motion directly in front of you by pulling the cables together until both hands meet at the top of the movement. Squeeze your chest as you perform this motion and breathe out during this movement. Also, hold the contraction for a second at the top. Tip: When performed correctly, at the top position of this movement, your arms should be perpendicular to your torso and the floor touching above your chest.
    6. Slowly come back to the starting position.
    7. Repeat for the recommended amount of repetitions.

    Sets and reps: 3 sets of 10 to 15 reps.

    Why this matches
    • Movement: chest fly, the same as the Floor Fly (With Barbell)
    • Primary muscle: pectorals, the same as the Floor Fly (With Barbell)
    • Equipment: a cable, not free weights
    • Body position: lying on your back, the same as the Floor Fly (With Barbell)
  5. Pectorals · Intermediate · Isolation

    A good swap when you have dumbbells to work with, and it still works the pectorals.

    • Dumbbell
    How to perform it
    1. Lie flat on a bench with a dumbbell in each hand, palms facing each other.
    2. Extend your arms straight up over your chest, with a slight bend in your elbows.
    3. Keeping a slight bend in your elbows, lower the dumbbells out to the sides in a wide arc until you feel a stretch in your chest.
    4. Pause for a moment, then reverse the movement and bring the dumbbells back to the starting position.
    5. Repeat for the desired number of repetitions.

    Sets and reps: 3 sets of 10 to 15 reps.

    Why this matches
    • Movement: chest fly, the same as the Floor Fly (With Barbell)
    • Primary muscle: pectorals, the same as the Floor Fly (With Barbell)
    • Equipment: free weights, the same as the Floor Fly (With Barbell)
    • Body position: lying on your back, the same as the Floor Fly (With Barbell)

How to Choose the Right Floor Fly (With Barbell) Substitute

Decide based on equipment, shoulder health, and desired muscle stimulus. Choose dumbbells if you want end-range stretch and proprioceptive demand, retract the scapulae and lower until your upper arm brushes the floor. Pick cables for continuous tension and a neutral wrist to emphasize mid-to-peak contraction; set pulleys slightly above chest height and perform slow concentric adduction. Use a pec-deck to limit scapular stabilization when you need strict isolation. For unilateral imbalance, pick single-arm cables or dumbbells and focus on equal peak contraction and controlled eccentric.

Floor Fly (With Barbell) FAQ

What muscles does Floor Fly (with Barbell) work?

The barbell floor fly primarily targets the pectoralis major through horizontal adduction, with secondary involvement from the anterior deltoid and coracobrachialis. Maintain a slight elbow bend and scapular retraction to bias the chest fibers and reduce shoulder strain.

Can I build muscle without doing Floor Fly (with Barbell)?

Yes, you can develop chest hypertrophy using presses, dumbbell flies, cable flies, and bodyweight progressions by applying progressive overload and full-range control. Emphasize eccentric control, pause at peak contraction, and use variations that maintain horizontal adduction to sufficiently load the pectoral fibers.

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