TRX Upper Body workout for women to get rid of flabby arms. Get Your TRX Straps HERE bit.ly This is a great upper body and core workout for women using the TRX Straps. This TRX Upper Body Workout will help to sculpt and tighten your upper body muscles – getting rid of those flabby arms all whiles strengthening your core to help you get that flat stomach in time for the beach….