Exactly as the thread title states (also good for doing at your desk or on your sofa). These videos can be done sitting down or in a wheelchair. The videos where Adriene is standing do not actually require you to be standing.
https://www.youtube.com/watch?v=FrVE1a2vgvA
https://www.youtube.com/watch?v=tAUf7aajBWE
https://www.youtube.com/watch?v=gb3_oSAGoXs
https://www.youtube.com/watch?v=b6wPHhWiqgc
It won't let me have a blank signature ...