There's also studies showing faster eccentrics promote more muscle growth than slower eccentrics, according to Helms (I'm trying to find that study ATM). So honestly, you could also argue that faster...
Funny how on all his workout videos in his channel, he always advocates 5 second negs (especially on DB flat/incline press), then, the day after Matt posted that video, Ian makes a video saying that...
It would pretty much be identical, if not more beneficial, assuming total TUT is equal. Like Helms said, I don't know where Kanvesky his studies supporting the use of his 5+ second negatives. The...