What is the best complete abdominal workout? Everyone wants a rock hard 6-pack, however, the abdominals can be a very tricky set of muscles to train. Here are some great explanations and exercises for an amazing 6-pack! #fitonomy #fitonomyapp #fit #fitness #workoutathome #abworkout #absonfire #abdominal #training #exercise #abdominalexercises #abdominalworkout #abdominalmuscles #athomeworkout #exercisefitness