
Originally Posted by
KnottedYet
Habits are more important than exercises for core, honestly.
Exercises are just to perk things up. Holding them that way for a full day is the real work out!
Posture and static things like sustained plank (prone and side) in all their variations are the big guns.
But the biggest gun of all is increasing tone by activating the core all the time through posture. (you don't want it to think it only has to work during exercise. You want it active all the time, so train it to be active all the time.)