The 4-Minute Situp Challenge

Dec 12 / Build Muscle

Last weekend, Todd Durkin, C.S.C.S., author of challenged you to a involving the Tabata Protocol. Now, he wants you to use the same fast-and-furious Japanese training technique to hit your six-pack muscles. Here's how it works:  Do as many situps as possible for 20 seconds, rest for 10 seconds, and repeat, continuing for 8 rounds. Total time: 4 minutes. (Need more proof tabata actually works? Check out

Ready to try it? Watch the video below to see how to perform the challenge. Durkin completed 79 situps in 8 rounds. What was your score? Let us know in the comments below.