This article is about a 15-minute intense ab workout called the "Sixpack Workout" by fitness expert Pamela Reif. The workout does not require any equipment and is designed to target and strengthen the core muscles. It is a high-intensity workout that consists of various exercises, including crunches, leg raises, and plank variations. The aim of the workout is to help individuals develop a six-pack and achieve a stronger and more toned abdominal area.