My stomach curves in when i flex...?!
Question:
My stomach curves in when i flex...?
its really weird when i flex, my stomach curves in and makes my ribs stick out, is that normal? can someone also give an explanation to why that is?
Additional Details2 weeks ago
trust me, im not overweight in anyway, im fairly muscular, i have a 4-pack, just when i flex, it curves in.
Answers:
dont worry bbz