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Cable Seated Chest Fly

What It Works

The seated cable chest fly primarily targets the chest (pectoralis major). Sitting removes the need to stabilize your lower body, so you can focus more purely on the chest squeeze. The front of the shoulders assist, and the cables provide constant tension throughout the movement.

In everyday life you use this pattern whenever you bring your arms together across your body — hugging someone, closing a large cabinet door with both hands, or pulling a heavy object toward the center of your chest.

How to Perform

Sit tall on the seated cable fly machine (or a bench between two cable stacks) with your back supported if the machine allows. Set the handles at roughly chest height. Grab the handles and start with your arms out to the sides, a soft bend in the elbows, and palms facing forward or slightly in.

Brace your core and keep your back against the pad. Bring the handles together in a wide arc in front of your chest, focusing on squeezing the chest at the end of the movement. Keep a soft bend in the elbows the entire time — don’t turn it into a press. Return under control to the starting position without letting the weights slam or the shoulders shrug forward.

Setup & Movement – Quick Bullets

  • Sit tall with back supported (if available)
  • Handles at roughly chest height
  • Arms out to the sides with soft elbow bend
  • Core braced, back against the pad
  • Bring handles together in a wide arc
  • Squeeze the chest at the end
  • Controlled return — no slamming
  • Shoulders stay down and back

Common Mistakes

The most common issues are turning the fly into a press (by bending and straightening the elbows too much), letting the shoulders roll forward, using too much weight so the movement becomes jerky, and rounding the upper back away from the pad.

Watch Out For

  • Turning it into a press (too much elbow bend/straighten)
  • Shoulders rolling forward
  • Too much weight → jerky movement
  • Rounding forward off the pad

Quick Fixes

  • Keep a soft, consistent elbow bend
  • Think “shoulders down and back”
  • Use a weight you can control smoothly
  • Stay tall against the pad the whole set

Key Cue

Soft elbows. Squeeze the chest.

Because you’re seated, you can focus almost entirely on the chest. Keep the elbows soft and make the squeeze the priority.

Scaling

Easier: Use lighter weight or a higher handle position for a slightly different (often more comfortable) angle.

Harder: Add a brief pause and strong squeeze at the end of each rep, or slow the return phase.

The seated cable chest fly primarily targets the chest (pectoralis major). Sitting removes the need to stabilize your lower body, so you can focus more purely on the chest squeeze. The front of the shoulders assist, and the cables provide constant tension throughout the movement.