@sixpackback_: @sixpackback_ This Foot-to-Foot crunch - is undoubtedly one of the best exercises to develop inner and outer obliques, it has also been proven to be effective for building your Rectus Abdominal. Include this exercise in your routine for transformation. 💪 Subscribe to our YT: https://youtu.be/IVcWZQU1ZKE for more...