Viparita Karani yoga pose - Legs up the wall - Encourages circulation of blood and lymph from the feet and legs. Bathes the abdomen in fresh blood, stimulating the digestive organs. Soothes the nervous system, allowing your body to shift its attention from warding off stress to daily bodily functions, including detox. Note the pillow/bolster she is using.
Being an Athletic Training major, this is super interesting to me. These are pressure points that will relax the body and physically remove stress and discomfort. Being physically relieved is the first process to becoming totally relieved.