Watch 4 Minute Standing Ab Workout - Abs, Serratus and Obliques Routine

A 4 minute standing ab workout routine for the stomach and core with exercises for the upper and lower abs, serratus and obliques and is a fitness and bodybuilding workout and also for crossfit and calisthenics and bodyweight fitness and is for how to get six pack abs or how to get ripped and how to get cut or shredded. About me, I am a gymnast and gymnastics instructor for 25+ years.