DwD GPP #1
GPP = General Physical Preparedness
Good for all sort of things from this:

to this:

Do the following circuit without stopping for the time indicated:
Squat Thrusts - 30 seconds
Jumping Jacks - 30 seconds
Pushups from knees - 30 seconds
Mountain Climbers - 30 seconds (click here for video)
Rest - 30 to 60 seconds
Repeat 8 times