Step by step instructions, muscle activation and variants for the Half Chest Fly.
The half chest fly is a bodyweight chest isolation exercise performed on the floor that works through the inner half of the fly range of motion, maintaining constant tension on the pectoral muscles. This partial range technique is effective for developing inner chest activation and improving the mind-muscle connection.
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The Half 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.