My fave other than shred:

I did this with 5 lbs - I think this video tones my triceps better than shred & others.
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I love this, it makes me sweat, strenghten my legs. I read that the whole routine burns 500 calories but I am not sure.
It feels gentle to the body and gives wide range of flexibility.  I think power yoga + Jillian is a good combo.
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