Ab Ripper X Workout

From P90X. Each exercise is 25 reps unless otherwise noted:

In & Out
Seated Bicycle (forward and reverse)
Seated Crunchy Frog
Wide Leg Sit-Ups
Fifer Scissor
Hip Rock n' Raise
Pulse Up
Roll-up/V-up Combo
Oblique V-up (25x each side)
Leg Climb (12 each side)
Mason Twist (50x)