Join Frankie Essex and her trainer, Lisa Nash, in this body sculpting program! The 20 Minute Trim series is about creating flat abs as well as toning and elongating your muscles. Get total body fit in 20 minutes or less with these Upper Body, Lower Body, and Core programs. Everyone should be training their core muscles regularly and having a strong core is vital to your well-being. By practicing these exercises, all your core muscles will be engaged, leaving you with a strong, tighter tummy!