Why do people sport 4-, 6- or even 8-pack abs?

The number of washboard abs you can show is determined by your DNA, according to research.

How Many Abs Can You Have? 4-Pack vs 6-Pack vs 8-Pack – Fitness Volt

What You Should Know About Getting 6-Pack Abs

When Six-Pack Abs Are Bad for Your Health - Men's Journal

4-Pack Abs: Vs. 6-Pack, Men vs. Women, Exercises, Diet, and More

What is the difference between a 6-pack, 8-pack and 12-pack? - Quora

Shah Rukh Khan tells you how to get his 8-pack abs - Celebrity - Images

8-Pack Abs - Is It Possible To Get 8-Pack Abs?

8 Pack Abs vs 6 Pack Abs 8 Pack Abs Test - ATHLEAN-X

Why You Have 4 Pack Abs vs 6 Pack vs 8 Pack - SET FOR SET

Six-Pack or Eight-Pack Abs? Knowledge You Must Know, by Jacob

How To Get 6 Pack Abs With No Equipment (DO THIS ANYWHERE!)

Six-Pack Abs: How Long Does It Take, Nutrition, and Exercise