As suggested, the trick is finding what specific exercises and combinations work for a given person. Isn't always obvious, and it'll vary by the ills/injuries one has to contend with when considering which exercises to do.
For the discussion, here are a couple of reference lists I use when exploring options:
That yoga site has a huge number of yoga positions along with photos, along with a decent index that can help narrow down the area of the body you're looking for and which exercises can help with strengthening or flexibility of that area. Great reference.
The Darebee site has a wide range of various bodyweight/floor type exercises as well as ones with simple tools (ie, dumbbells, jumping rope, etc).
Good pair of references, if going DIY on an approach. Nice, for hunting down a couple more specific motions or exercises to add to what you've already got, or to shake things up.