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Cable Fly With Chest Supported

Cable Fly With Chest Supported is an intermediate cable exercise for the chest (pectorals), with the front deltoids and biceps (stabilizers) assisting. Most lifters train it for 3 to 4 sets of 10 to 15 reps.

A chest-supported cable fly that removes momentum entirely: with your torso braced against the pad, the cables pull from behind while you sweep your arms together in a wide arc. The support isolates the pecs harder than a free-standing fly and keeps constant tension through the whole range, including the squeeze at the top.

ChestCable
Cable Fly With Chest Supported
Primary muscle
Chest (pectorals)
Secondary muscles
front deltoids, biceps (stabilizers)
Equipment
Cable
Difficulty
Intermediate
Typical volume
3–4 sets × 10–15 reps
Category
Chest

How to Do the Cable Fly With Chest Supported

  1. Set an incline bench between two low cable pulleys, angled around 30 to 45 degrees, facing toward the weight stacks.
  2. Lie face down on the bench with your chest against the pad, gripping a handle in each hand.
  3. Let your arms hang down and slightly out to your sides with a slight bend in your elbows.
  4. Brace your core against the bench and keep your neck neutral.
  5. Draw both handles up and together underneath the bench in a wide arcing motion.
  6. Squeeze your chest hard as the handles meet.
  7. Slowly reverse the motion, lowering the handles back down with control until you feel a stretch in your chest.

Common Mistakes

  • Letting the shoulders round forward: Hunching to reach the handles reduces chest engagement and stresses the shoulder joint. Keep your chest pressed into the pad and shoulder blades set.
  • Bending the elbows too much: Turning the fly into a press by bending the elbows heavily shifts work to the triceps. Keep a slight, fixed bend throughout.
  • Using body swing to help the pull: Because the chest is supported, any swinging typically comes from lifting off the pad. Keep your torso pinned to the bench the entire set.
  • Stopping short of full contraction: Not bringing the handles all the way together underneath the bench skips the peak squeeze. Finish each rep with the handles meeting directly under your chest.

Programming Tips

Use the chest supported cable fly as an isolation movement after your main presses on a chest day, or as a pre exhaust before pressing if you struggle to feel the pecs. Perform 3 to 4 sets of 10 to 15 reps. Because the bench removes all swing and the cables keep tension at the top, it is a pure hypertrophy exercise for the sternal and lower chest fibres.

Set the bench incline between 30 and 45 degrees with the low pulleys level with or slightly ahead of your shoulders when you lie down. Start with 5 to 10 kg per side and add 2.5 kg once every rep finishes with the handles touching under the bench for a one second squeeze. The most common fault is losing the slight elbow bend and pressing the weight up with the triceps. Fix it by locking the elbow angle before the first rep and imagining hugging a wide tree trunk.

Common Questions

What does the chest supported cable fly work?

It isolates the pectoralis major, with the sternal and lower fibres doing most of the work when the handles sweep from below and out to directly under the chest. The front delts assist and the biceps work as stabilisers.

Is chest supported cable fly better than standing cable fly?

It is stricter, so it is better for isolation and for lifters who swing or shrug during standing flyes. Standing flyes let you use more weight and train the chest with the body upright, which carries over to pressing more directly.

How much weight should I use for chest supported cable flyes?

Begin at 5 to 10 kg per side and aim for 10 to 20 kg per side as an intermediate. The lever arm is long and the pecs are already fatigued from pressing, so loads stay light.

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