The dumbbell standing triceps extension isolates the long head of the triceps through a full overhead stretch that most pressing movements simply cannot reach. Master this lift and you build the thick, defined upper-arm mass that separates serious athletes from casual gym-goers.
Stand tall, feet shoulder-width apart, and grip one dumbbell with both hands cupped around the inner plate overhead.
Lower the dumbbell slowly behind your head by bending at the elbows, keeping your upper arms locked vertical and close to your ears.
Stop when your forearms are just past parallel to the floor, feeling a deep stretch through the triceps without flaring your elbows.
Drive the dumbbell back to full lockout by squeezing the triceps hard at the top, then immediately begin the next controlled rep.
Common mistakes
Flaring the elbows outward shifts stress off the triceps and loads the shoulder joints — actively pinch your elbows inward toward your ears throughout every rep.
Using the lower back to assist the movement by arching excessively creates spinal risk — brace your core and keep a neutral spine from setup to finish.
Rushing the lowering phase wastes the eccentric stimulus — take at least two full seconds to lower the dumbbell and own every inch of the range.
Pro tip — At the very bottom of each rep, pause for one count and consciously push your elbows slightly forward to maximize the stretch on the long head before driving back up — this brief loaded stretch dramatically increases muscle fiber recruitment.