It's not necessarily bad to flex your stomach or abdominal muscles all day, but there are probably more effective ways to strengthen this area. Also, people sometimes hold their breath while flexing, so flexing all day could disrupt your normal breathing patterns.
Should I Flex My Abs All Day?
Odudu Abasi Mkpong
I am a freelance writer and a computer techie who is adept in content writing, copy writing, article writing, essay writing, journal writing, blog posts, seminar presentation, SEO contents, proof reading, plagiarism checking, editing webpage contents&write-ups and WordPress management. My work mantra is: "I can, and I will"