The article explains the morphology factor of chinning in combined grip. It points out that chinning movement can well-developed muscles such as pectoralis major, latissimus dorsi and biceps brachii.
It's ok, I know how it is. This machine here will work out your upper body, mainly your triceps and biceps. Are you looking to develop strength or muscle tone and definition?
And ideally, if you wanna maximize your gains for a single muscle group, like, let's say quads or hamstrings or biceps, we wanna be aiming for six to ten sets per workout.
I mean, the shoulders in particular, just with you have the vascular area, the striation separation, and then you look at the brachialis, all that work from the rows.