Add Yahoo as a preferred source to see more of our stories on Google. Man doing tricep pushdowns. We have more triceps than biceps (they actually make up two thirds of your overall arm). So, if you’re ...

Your triceps make up nearly two-thirds of your upper arm, making them the key muscle group for building stronger, more sculpted arms and improving everyday performance.

Building bigger arms doesn't just mean relentlessly training your biceps – your triceps need attention too. And no, a few token pushdown sets at the end of your workout won't cut it. Athlean-X's Jeff ...