I need a stability ball. A stability ball is a great addition to standard workouts as they help core muscles to activate. Core is what supports your posture and daily functions, but often overlooked and underutilized while working out.
4 Ejercicios para tener un abdomen plano en tan solo 4 semanas - Tap the pin if you love super heroes too! Cause guess what? you will LOVE these super hero fitness shirts!