What you'll gain

• 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.

Step-by-Step Instructions

1. 1

   Adjust the seat so the handles sit at chest height with your elbows roughly in line with your shoulders.

2. 2

   Grip both handles with a slight bend in the elbows and press your back firmly into the pad.

3. 3

   Brace your core and pull your shoulder blades back and down to set a stable chest position.

4. 4

   Sweep the handles together in a wide arc by squeezing the chest, keeping the elbow angle fixed.

5. 5

   Pause at the middle when the handles meet, holding a hard chest squeeze for a full beat.

6. 6

   Let the handles open back out slowly over 2 to 3 seconds until you feel a controlled chest stretch.

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.

About This Exercise

The machine pec fly isolates the chest by removing the triceps and shoulders from the equation almost entirely. Seated upright with the arms locked into a pair of pads or handles, the lifter sweeps the arms together in a wide arc, loading the chest through its full pulling range. The fixed path makes the chest contraction unmistakable. For app and content use, this clip is a high-value accessory for chest-day programming, hypertrophy blocks, and post-press finisher work in any push-day track. It's also a great teaching piece for newer lifters who struggle to feel their chest working on the bench press.

Looking for an exercise animation collection for your app, coaching platform, or content workflow? MoveKit gives you consistent quality across every movement so your product feels cohesive from first launch through scale.

Build faster with related MoveKit resources