Building serious arm size takes more than pressing on repeat. To fill out a sleeve and add lockout strength, put the triceps extension in regular rotation. This classic elbow‑extension move is one of ...

Skull crushers — no exercise has a name more intimidating than this. Sure, burpees are difficult, but their name sounds harmless enough. However, skull crushers have self-inflicted harm written all ...

If you don’t want your upper arms waving long after you’ve said goodbye, you’ll need to work on your triceps. The supine triceps extension, sometimes called the skull crusher, is one of the simplest ...