Motivation : Tighten Up Tuesday: Overhead Tricep Extension on Stability Ball | Skinny Mom | T… October 3, 2017, 2:28 am 2.4k Views Fitness and body Motivation Before and After Description Tighten Up Tuesday: Overhead Tricep Extension on Stability Ball | Skinny Mom | Tips for Moms | Fitness | Food | Fashion | Family 19 shares