Bed exercises 1 – Bridging and Straight leg raise
https://www.youtube.com/watch?v=YpIXMaAWBcs
Bed Exercises 2 – Core strengthening
https://www.youtube.com/watch?v=DiHLEv9OfJE
Bed Exercises 3 – Cat/Cow stretches
https://www.youtube.com/watch?v=gINd9notFk0