Fitness | Motivation | Discipline on Instagram: "Dm "SPLIT" for all workout splits + guides. About the reel The cable overhead triceps extension is an effective isolation exercise that primarily targets the long head of the triceps. It is performed using a cable machine with a rope attachment, usually set at a low pulley. The exercise involves extending the arms overhead while keeping the elbows fixed and close to the head, allowing constant tension on the triceps throughout the movement. Proper