If you’re looking to strengthen your core and get more defined abs, there are hundreds of exercises out there you can use. However, not all abs exercises are created equal, especially if your purpose is specifically to try and carve out a six pack, rather than just increase your core strength in general.
Personal trainer Jeremy Ethier has a six pack, and in a video on his YouTube channel he says that there are two exercises he used to create it; the reverse crunch to target his lower abs, and crunches to target the upper abs.
