The document provides instructions for an abs circuit workout routine consisting of 5 exercises - mountain climbers, leg raises, oblique abductor raises, V-ups, and stability ball knee tucks. Each exercise is to be performed for 20 repetitions over 3-4 sets. Detailed instructions are given for how to perform each movement correctly with a focus on engaging the abdominal muscles. A 15-20 minute warm up and cool down with stretching is recommended before and after the circuit.