The Machine Pec Fly is a beginner-friendly machine strength exercise that targets the chest. Here's how to do it right — and what to stop doing.
Primary musclesChest
Secondary muscles—
EquipmentMachine
LevelBeginner
TypeStrength
3D demo in the EGON app
01 Execution
How to do the Machine Pec Fly
Adjust the seat so the handles sit at chest height with your elbows roughly in line with your shoulders.
Grip both handles with a slight bend in the elbows and press your back firmly into the pad.
Brace your core and pull your shoulder blades back and down to set a stable chest position.
Sweep the handles together in a wide arc by squeezing the chest, keeping the elbow angle fixed.
Pause at the middle when the handles meet, holding a hard chest squeeze for a full beat.
Let the handles open back out slowly over 2 to 3 seconds until you feel a controlled chest stretch.
02 The payoff
Why it earns its spot
Isolates the chest more directly than any pressing movement.
Builds chest size with low joint stress and high mind-muscle feedback.
Easy to load progressively without shoulder or wrist strain.
03 Don't do this
Common mistakes
Bending the elbows mid-rep so the lift becomes a press, which removes the chest isolation.
Letting the shoulders roll forward at the stretch position, which strains the front shoulders.
Slamming the handles together with momentum instead of squeezing through the contraction.
Cutting the stretch short and never letting the arms open fully, which trains a tiny portion of the lift.
EGON Put it on record
Track it in EGON.
Log every set of the Machine Pec Fly, get your PRs detected automatically, earn aura for the work — and climb five leagues of statues, from Stone to Ego.
