Originally Posted by WarChild

Not exactly. I ran 60km so far this week, trained jiu jitsu 4 times (each with a small ab workout during warmup) and then did ab day yesterday.

3 X Triple Sets: 30 crunches on exercise ball, 30 opposite elbow opposite knee crunches (15 each side) and 30 leg lifts (straight legs extended, hanging)
Then 3 super sets of 30 full decline situps followed by 1 minute on toes and elbows with abs clinched.

Today I can hardly sit straight