Muscles worked
What the cable chest fly trains
Tap a muscle to see just that one and what it does in the lift.
Before the first rep
How to set up
- 01
Set the pulleys. Set both pulleys to the same height, around shoulder height or a little above. Pick a light weight on each stack, lighter than you think.
- 02
Grab the handles. Take one handle in each hand, then step forward to the middle of the station until the weights lift off the stacks and you feel the cables pulling your arms back.
- 03
Stagger your stance. Put one foot a step in front of the other, knees soft, and lean your chest slightly forward from the hips with a flat back.
- 04
Set the arms. Bend your elbows slightly, palms facing forward or slightly in, and pull your shoulder blades gently back and down. Your chest stays up for the whole set.
Step by step
How to do the cable chest fly
- 01
Start in the stretch. Begin with your arms open wide and your upper arms about in line with your torso, so you feel a gentle stretch across your chest, not in the front of your shoulders.
- 02
Sweep together. Bring your hands forward and in along a wide arc, like hugging a big tree. The movement comes from your shoulders, not your elbows.
- 03
Meet in front. Let your hands meet in front of your lower chest, at about arm's length. Squeeze your chest for a moment without letting your shoulders roll forward.
- 04
Open under control. Reverse the same arc slowly, taking two to three seconds, until your upper arms are back about in line with your torso and your chest is stretched.
- 05
Finish the set. After the last rep, bring the handles together, step back toward the stacks and let the weights touch down before you let go.
Cues to say in your head
- Hug the big tree
- Soft elbows, fixed angle
- Chest up, shoulders back
- Squeeze, then open slow
- Feel the stretch, not shoulders
Fix these first
Common mistakes
Bending and straightening the elbows
Keep the same slight bend from start to finish. If your elbows open and close, the fly turns into a press and the weight is probably too heavy.
Going too heavy
Drop the weight until you can control the arc and pause at the squeeze. Heavy cables pull you out of position and onto your shoulders.
Stretching too far back
Stop when your upper arms are about in line with your torso and the stretch is in your chest. A deep, pulling feeling at the front of the shoulder means you went too far.
Shoulders rolling forward at the finish
Keep your chest up and shoulder blades set as your hands meet. Think chest squeezing, not hands reaching.
Rocking the body to move the weight
Brace in a staggered stance and keep your torso still. If you have to lean or swing, the load is too heavy.
Stay safe
Use a weight you can control through the full arc, and stretch only as far as feels comfortable in your chest. If you cannot finish a rep, let the handles come back slowly along the same arc, then bring them together and step back so the weights touch down; never let go mid rep and let the handles snap back. Stop and get your shoulder checked if you feel sharp or pinching pain at the front of the shoulder.
Programming
Sets, reps and how much weight
| Goal | Sets | Reps | Load | Rest |
|---|---|---|---|---|
| Muscle | 3 to 4 | 10 to 15 | 60–72% 1RM | 1 to 2 min |
| Endurance | 2 to 3 | 15 to 20 | 50–60% 1RM | 45 to 90 sec |
| Technique | 2 to 3 | 12 to 15 | 40–55% 1RM | 1 min |
Plan your next session
Put in a recent set. You get working weights for your goal, a warm-up and the plates to load.
Estimated 1RM 216 lb
Endurance sets
108–129lb
2 to 3 sets of 15 to 20 reps, 45 to 90 sec rest. A light finisher after your main presses. Keep every rep smooth.
Estimates use the Epley formula and work best from sets of 3 to 8 reps. Treat them as a starting point and adjust by how the first working set moves.
Questions
Cable Chest Fly questions
What muscles does the cable fly work?
Mainly the chest, with the upper chest and front shoulders helping. Your biceps hold the elbow bend steady and your upper back and abs keep you in position.
Is a cable crossover the same as a cable fly?
Mostly, yes: both names mean bringing two cable handles together in front of you in a wide arc. The name crossover comes from the cable crossover station, and some coaches use it for the version from high pulleys where your hands meet or cross in front of your hips.
What height should the cables be for cable flies?
Around shoulder height is the standard starting point and trains the whole chest. Set them low and sweep upward for more upper chest, or set them high and sweep down toward your hips for more lower chest.
How do you do a low to high cable fly?
Set both pulleys at the bottom, hold the handles with palms facing forward or up and a slight elbow bend, and sweep your hands up and in until they meet at about upper chest or shoulder height. Lower slowly along the same path; this version puts more work on the upper chest.
How do you do a single arm cable fly?
Stand side-on to one pulley set at shoulder height, hold the frame or your hip with your free hand, and sweep the working arm across in the same hugging arc until your hand reaches the middle of your body or slightly past it. Do all your reps, then switch sides.
How many sets and reps of cable flies should I do?
Three to four sets of 10 to 15 reps works well for most people building chest muscle. Use it after your main pressing lift and take the sets close to failure with good control.
Train in Protocol
Log your cable chest fly by voice. Protocol tracks the rest.
Your last session shows up before every set, warm-ups and plates are worked out for you, and your coach sees every lift next to your sleep and recovery.