This is a challenging Abs and Core routine but once practiced a few times will seem easier. There is no rest between any of the exercises or repeats other than the rest between groups 3x (no rest) 15 x Leg Pull-In(23) 1 min reverse crunch(26) 1 minute rest 3x (no rest) 10x Windshield Wiper(20) 15x V-Up(17) 1 minute rest 3x (no rest) 15x Lying Leg Lift(24) 45 sec Side Plank(18) 15x Russian Twist(19) 1 minute rest 3x (no rest) 45sec Flutter Kick(21) 1 min Star Plank(29) 15x Side Crunches(31) 1 minute rest