I should have explained the program a bit in the beginning: It's a 30-day program (including off-days). Every day includes 5 circuits that you can/should do twice. Parts of it are like a HIIT training but there are also parts where you just hold a position for a certain time or do strength exercises.
Most exercises are body-weight exercises, some require dumbbells and a Body Ball. The program is intended to be done at a gym, but I changed some of the exercises so we can do it at home (required items: Dumbbells, Body Ball, Thera Band, Aerobic step, Resistance Band, Skipping Rope).
I don't come across Jillian a lot doing the workout, I just use the 30-day plan now that I know the exercises
While I have been working out very regularly already, this program is quite intense. I have another 10 pounds to shed, I thought it would maybe help to change my routine. Also I hope the added strength will help me when the bike-season starts.