Anyone with back aches, will find this interesting. I've had (have) back pain for years and years.. and despite all the massages etc.. it stuck with me. Anyhow here are 8 Yoga Poses To Help Cervical Spine & Neck Issues. It actually eases the pain, and feels really good, I've been doing this for a while and it works.
Prasarita Padottanasana with a twist is a great cleansing rinse for your internal body, opens the breathing even more and helps circulation. In this chapter it's a chance to take a "snapshot" of your inner state as much as your outer pose and get an "impression" of where your attention is, and how you can bring it back to your body, to your breathing, to prepare you for rest.