why is mila kunis narrarating the video?
and why is it so important that the viewer takes in Sergios facial expressions at all times?
Quick partial reps.....he surely didn't build his mass this way.
Maybe he did. Ronnie also trained a lot in this way in one of his first videos. A recent study also shows that this training style might be the most effective:http://www.ncbi.nlm.nih.gov/pubmed/22158146NN
who did the music?kenny g?