And for what it’s worth, having a strong core can also be tremendously helpful in supporting the lower back. As for dead bugs specifically, they work the abdominals, back muscles, and even give your arms and legs a bit of a challenge. Plus, thanks to the many options and variations available with this move, it’s suitable for any skill level. The bottom line is, while the name “dead bugs” might sound a little silly, leaving this stellar move out of your workout routine would be even sillier.