I wouldn't expect a short light weight workout to be so effective but it really is!!! Great supplement to target bis & tris with other workouts or on its own!
Train Like a Victoria's Secret Model With This 10-Minute Arm Workout
My go-to set for a quick, focused arm routine. I started working out with it on Active by Pop Sugar. The first few times itβs a killer, but your triceps will thank you.