M&Fers are always looking for a solid routine that will torch fat and carve some killer, ripped abs. In this video, Mike Chang of SixpackShortcuts.com and Six Pack Shortcuts on YouTube takes you through an intense cardio workout with a series of 1-minute rounds that will leave you gasping for air. This could possibly be the hardest cardio workout you’ve ever done. See if you can beat Mike’s 10 rounds by doing as many rounds as possible. Check out which one of Mike’s friends couldn’t go the distance. 


*10 rounds, with 15 seconds rest between each round.
*Complete one rep of each and repeat for one minute to complete one round.

1. Burpees
2. Jumping knee tucks
3. Mountain climbers
4. Jumping lunges

For more tips on nutrition and fitness, make sure you check out more free sixpackshortcuts videos.

And if you want to gain ripped muscle fast, watch this video now: 

In that video Mike shows you why 95% of guys who wish they could gain muscle fail to EVER gain any size. It comes down to four huge mistakes that almost all guys in the gym are making…but which most guys don’t even know about.

Mike will show you what the mistakes are, so you can avoid them. And he’ll also show you the “weird” style of working out that he uses instead of the popular muscle building methods called Afterburn Training.

Is Afterburn Training the one proven shortcut to building muscle and getting ripped? Watch this video and decide for yourself!