If you want to include an extra ab workout after your training sessions, give P90X’s “Ab Ripper X” a try and get that six pack ready for the beach. Duration: 15 minutes 11 exercises, 25 reps per exercise, Exercise List 1. In and Outs2. Bicycles3. Crunchy Frog4. Cross Leg/ Wide Leg Sit-Ups5. Fifer Scissors6. Hip […]