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 ...

Build a serious arm pump with just a half hour of focused reps.

Stand facing the machine with your feet shoulder width apart, knees slightly bent and abs tight. Keeping elbows against your sides, pull the rope down while separating each side of rope to the outside ...