Which is better for upper-back, in your opinion? Chin-ups or pull-ups?
Here's another comparison (i.pinimg.com)
Pull UP's 100% (fitbodybuzz.com)
Legit i've been doing 10ish pull's up's every day and after the 7th's day you can see and feel the posture improvements and i'm not even doing much. 60 second work outs daily.
Pull ups.
(post is archived)