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How to do the Lever Seated Fly

ChestMachineBeginner

The lever seated fly isolates your chest with a controlled arc of motion that free weights can't replicate, making it one of the most effective tools for building width and definition in the pecs. Master this machine and you'll develop a chest that's both strong and visually impressive from day one.

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Muscles worked

Primary
Pectorals (chest)
Secondary
Front deltsTriceps

Step-by-step

  1. Set the seat height so the handles align exactly with your mid-chest and grip the handles with a slight bend in your elbows
  2. Brace your back firmly against the pad, plant your feet flat, and take a controlled breath before each rep
  3. Drive the handles together in a smooth arc by squeezing your chest, not your shoulders, stopping just short of the handles touching
  4. Reverse the motion slowly under control, letting the chest fully stretch at the open position before initiating the next rep

Common mistakes

  • Letting the shoulders roll forward at the peak contraction, which shifts load off the chest — fix this by keeping your shoulder blades pinned back against the pad throughout the entire set
  • Using a seat height that is too high or too low, causing the shoulders to do the work — fix this by adjusting the seat so the handles are level with your nipple line before you start
  • Rushing through the eccentric by letting the weight stack snap back — fix this by taking at least two seconds to open your arms and feel the chest stretch on every single rep

Pro tip — At the fully contracted position where the handles meet, hold the squeeze for a full one-second pause and consciously try to pull your elbows toward each other rather than just pressing the handles — this small shift in intent dramatically increases peak chest fiber recruitment.

Sets & reps by goal

Build muscle3–4 sets × 6–10 reps
Get stronger4–5 sets × 3–6 reps
Lose fat / tone3 sets × 10–12 reps

Rest: 2–3 min between sets (60–90s on lighter days).

More Chest exercises

Barbell Bench PressBarbell Bench PressBarbell Decline Bench PressBarbell Decline Bench PressBarbell Decline Wide Grip PressBarbell Decline Wide Grip PressBarbell Front Raise And PulloverBarbell Front Raise And PulloverBarbell Incline Bench PressBarbell Incline Bench PressCable Bench PressCable Bench Press
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