@trainwithpaulina: The side plank crunch is an underrated addition to your ab routine. 🔥 It targets the obliques and deep core while challenging your core stability, balance, and movement control. 💪🏼 Want to get stronger, build your glutes, and develop more defined abs? Join my Flex Season Challenge starting November 9! Comment FLEX to join! Or click the link in my bio ❤️🔥 Want to train with me in person? DM ‘TRAIN’ to book personal training at @goldsgym Venice or in Calabasas. 💪🏼 #absworkout #abs #coreworkout