Squats and Deadlifts: if you want to build really great abs, it's always nice to know what your abs actually does, what type of function they've. Your abs' primary job is not curl you up into a ball. Utilizing your back muscles they've you an correct posture and stabilizes your backbone. Therefore, it's really important to make a deal your back as well as your abs. Therefore the best exercises for abs are squats and deadlifts, because they force your whole core to go into overdrive…