QuickCheck: Do sit-ups really produce six-pack abs?

WHEN people start going to the gym, it’s often in the pursuit of various goals such as greater strength, better flexibility, or to improve their health in general. While some wish to bulk and others to shred, there are also those who covet six-pack abs as a particular milestone in their fitness journey.

So, is it true that focusing on sit-ups would give you the abdominal muscle definition that you desire?