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

Triceps 101 | overhead triceps extension

The Perfect Barbell Overhead Press Form Tips: 1) Keep Shoulders Depressed: This helps minimize trap engagement, allowing your deltoids to do the heavy lifting. 2) Bar Ends Directly Above The Head: Avoid pressing diagonally forward, which reduces efficiency and strength. Ensure the bar finishes directly above your head at the top of the movement 3) Maintain Proper Elbow Position: Keep your elbows tucked with forearms vertically straight. Avoid flaring them out at the bottom to protect your should