We like circuit training for many reasons. There is also a great many ways to execute circuit training.
Be sure you get at least 12 different stations, alternating upper body and lower body and then full body. begin with 1:30 min of activity then :30-:45 off x 12. The you can get more intense with :45 sec ON, :15 sec off x 8 x 2.
BE sure to keep good form always.
Jumpies (lower body)
Push Ups (upper body)
Burpees (full body)
Sit Ups (Upper body)
Flutter Squat (lower body)
Rower (full body)