Cable Fly

Also known as: cable flys, cable flyes, cable chest fly, standing cable fly

Presses build the chest with help from the triceps; the cable fly isolates the pecs and cuts the triceps out almost entirely. Unlike dumbbell flys, cables keep tension on the chest through the whole arc, including the squeeze at the middle where dumbbells go slack. Use it after your pressing work to add chest volume without piling more stress on the shoulders and elbows.

Cable Fly demonstration — animated GIF showing proper cable form, targeting the chest
PRIMARY MUSCLEChest
ALSO WORKSUpper chest
EQUIPMENTCable
TYPICAL SETS × REPS3 × 12–15

How to do the cable fly, step by step

  1. Set both pulleys at roughly chest height and pick a light-to-moderate weight.
  2. Grab the handles, step forward into a staggered stance, and lean slightly ahead of the pulleys.
  3. Start with your arms out wide, elbows softly bent, feeling a stretch across the chest.
  4. Sweep both hands forward and together in a hugging arc, keeping the elbow bend fixed.
  5. Squeeze the pecs hard for a second when your hands meet in front of your chest.
  6. Reverse slowly, taking two to three seconds to return to the stretched position.

Form cues that fix most reps

Imagine wrapping your arms around a tree — the elbows stay bent the same amount the whole rep.

Lead the movement with your chest, not your hands.

Go lighter than pride suggests; the fly rewards a long stretch and a hard squeeze, not load.

Common mistakes (and the fix)

Turning the fly into a press by bending and straightening the elbows
Lock in one soft elbow angle and keep it.
Using so much weight the shoulders roll forward
Drop the load until the pecs, not the front delts, do the work.
Stopping short of the stretch
Let your hands travel back until you feel the chest lengthen on every rep.

Cable Fly sets and reps

Match the rep range to your goal, not the other way around. These are the standard evidence-based ranges:

GoalSets × RepsRest
Strength3–5 × 3–62–3 min
Muscle growth3–4 × 8–1260–90 sec
Endurance2–3 × 15–2030–60 sec

How our free programs prescribe it

Cable Fly FAQ

What muscles does the cable fly work?

Almost exclusively the chest — both the mid and upper fibers depending on pulley height — with minor help from the front delts. The triceps barely participate, which is exactly why it pairs well with heavy pressing.

How many sets and reps of cable flys?

Do 3 sets of 12–15 reps with a one-second squeeze at the middle. It is an isolation movement, so moderate weight and higher reps beat grinding heavy sets.

Cable fly vs pec deck — which should I choose?

Both keep constant tension on the chest. The pec deck is easier to set up and more stable, which suits beginners; the cable fly lets you change the angle and adjust the arc to your shoulders. If both are free, pick whichever lets you feel the chest stretch and squeeze most clearly.

More chest exercises

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