Fitness Experts Debunk 17 Exercise Myths

To gain a stronger core, compound movements like squats and deadlifts, when done properly, will strengthen your abs and core. A simple exercise which is great for engaging the core is the plank. Try activating your core before a workout to gain the most from compound lifts.

https://www.coachmag.co.uk/exercises/stomach-exercises/2224/crunch-exercises-building-six-pack