4. Flabby abs
Image Source: Edward Russell
Sitting is one of the worst thing you can do if you are on quest to build a “six pack” set of abdominal muscles to show off at the beach. The abdominal muscles play a vital role in helping us stand up, and when we sit, they go unused and become loose and can lead to a condition called hyperlordosis, which is also known as “swayback.” That certainly does not sounds like the most attractive posture in the world.
