Urdhva Mukha Svanasana
Upward facing dog
Sort of.
Cute, huh.
Add the active stretch backward with the legs and you’ll have it.
Now, if you’re going for the McKenzie push up, this is exactly the level of sag you want.
Look over there to the right (Upcoming Events & Ongoing Classes) and find a class that suits you; we get to back bending with preparations regularly.