
It's pretty simple, really: 1) pick your favorite exercise - pretty much anything will do, but it apparently works best with compound movements that recruit lots of muscles 2) do as many as you can, as fast as you can for 20 seconds - maximum effort is the guiding principal here, so don't slack off! 3) rest for 10 seconds and 4) repeat the cycle 8 consecutive times for a grand total of four minutes.
To keep track, you can use this handy-dandy Tabata Timer MP3, or you can just stare at a clock. Whatever works.
Experiment #1: Tabata Shovelglove
I decided to try this with my favorite SG move, "stoke the oven" (which I usually think of as "spear thrusts" - I have a violent nature

I've got some slight DOMS this morning in my neck, upper back and shoulders, and my right bicep (which has a history of whiny behavior) is kind of uncomfortable, but overall I think it went quite well. I'll probably try something that recruits more core muscles next time.
Experiment #2: Tabata Biking
For the rest periods, I just pedaled slowly to keep my momentum going, and for the work periods I ran that stationary bike as fast my little legs could run it. By the end of this I was about ready to drop! Heart bumping, legs aching, head spinning . . . what a rush! This is no way for any rational person to start a day, so I don't recommend doing this as part of your morning Shugging, but it's a hell of a way to push your muscular endurance and boost your metabolism.
Conclusions:
I can't imagine doing this everyday, but I am going to do 2 cycles every week - one on the bike and one with the hammer, though not likely on the same day. I intend to take things a little easier next time, too.
I think this classifies as an advanced workout technique, so I highly recommend taking it somewhat easy for your first few times out (I didn't, and I wish I had). Push yourself, but don't kill yourself.
I also made the mistake of eating a piece of dark chocolate right before doing this, which is not exactly a great idea on a mostly empty stomach so I was feeling pretty nauseous when I fell off the bike and staggered for a glass of water. Doing this immediately following an extra-long work day was probably a bad idea, too . . .