9 of the Best Ab Workouts on YouTube

This video will walk you through 10 different exercises at 45 seconds each (yay for rest in between!) that target the lower abdominal muscles, your six-pack zone (rectus abdominis), and the obliques!

This standing workout is only five minutes and targets all areas of your midsection — it even includes a little cardio! Grab a medium-size dumbbell or even a heavy book to get started.

It can be tough to target the lower section of the rectus abdominis (aka your lower belly), but this Blogilates video shows you five moves that'll really tighten and tone.

Not into crunches? Fear not — this dance workout will rock your core, leave you sweaty and out of breath, and give you a chance to let loose and have fun.

The classic '90s workout 8-Minute Abs still works today — get ready for tons of crunches!

Maybe you don't have eight minutes? You probably have five though, right . . . ? With classic strength moves like Spider-Man planks and oblique crunches, you'll get coached through a lightning fast, core-building workout.

This 10-minute video walks you through bodyweight exercises you may see in a Pilates class. No equipment required!

Another killer five-minute routine from Blogilates will have you dripping in sweat — no breaks in between these moves! With bicycles and jack knives, you'll be burning like crazy in that core.

Get up off of that floor and get ready for a five-minute fast-paced standing ab workout that'll also work your booty a little bit, too.