LOL. Okay, maybe I'm exaggerating this a bit but, who cares?! Minho has big biceps! Look at them, LOOK AT THEM:

SEE?! Well,I think it became bigger. Remember his petite body on their comeback photos? And,
now compare it to this one.

(but, I guess you were distracted by Chanyeol and Kris bowing to Donghae. Can't blame you for that. lol.)