All 3 variations still train all 3 heads — these are just biases based on joint position, grip, and tension. No single exercise “isolates” one head choose based on what you want to emphasize and how it feels for you. Pronated (overhand) grip → Targets all 3 heads → Greater emphasis on the lateral head * Pronated grip = more internal rotation elbow extension Supinated (underhand) grip → Targets all 3 heads → Slightly more medial head involvement * Supination shifts elbow mechanics → increases med

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Loose setup and poor control on a single arm tricep pushdown takes the tension off your triceps. Lock in your posture, keep your elbow fixed, and guide the cable with a controlled path from start to finish. Those small adjustments sharpen tricep activation and keep constant tension on every rep. Better mechanics turn the same movement into real muscle growth. 🔧 Mindset Mechanic 🎯 I Help You Loose 20 lbs of FAT 📲 DM me “60 Days” 👉🏼 Follow @miclungz