Step by step instructions, muscle activation and variants for the Machine Standing Chest Fly.
The lever standing pec fly is a chest isolation exercise performed on a pec deck or lever fly machine while standing, allowing the pectorals to work through a full arc of adduction. Standing rather than seated shifts the stabilization demand to the core and lower body while keeping the focus on the mid-chest.
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The Machine Standing Chest Fly is a foundational movement that builds strength and muscle through controlled, progressive overload. Train it 1 to 2 times per week with 3 to 5 working sets per session, gradually adding weight or reps as form holds up.