[2] "Furthermore, when walking, the monk discerns that he is walking. When standing, he discerns that he is standing. When sitting, he discerns that he is sitting. When lying down, he discerns that he is lying down. Or however his body is disposed, that is how he discerns it.
"In this way he remains focused internally on the body in & of itself, or focused externally... unsustained by anything in the world. This is how a monk remains focused on the body in & of itself.
Now onto mindfulness of the postures. This started about a week ago already. I'll be alternating between doing sitting, walking and standing meditation for my formal practice. During the day I'll try to drop into my body and notice my postures, especially during the transitions between the postures.
I've been meeting with Love Park Meditation Group on Saturday mornings to do walking meditation. I've really enjoyed an excuse to practice walking meditation more. It's not something I've really an emphasis on, and normally wouldn't engage in it unless I'm on retreat.
I find it especially difficult, with respect to papancha (proliferation of thought). I think this is mostly due to the fact that walking around the city is normally "thinking time" for me.