Core Workout Challenge!🔥 Putting my core and abs to the challenge in this inspirationl gym training video with toes to bar, hanging leg raises and mixing in some upper body twist by squeezing in a pull-up!💪🏻 Give it a try and tag me in your stories💕 #core #challenge #fitness #toestobar #abs #strengthtraining #upperbodyworkout #calisthenics #workoutmotivation #gym | Natalia Bartholdi