(Note from other pinner) One of the most important muscles to release: psoas major and minor. It attached to your femur, lumbar vertebrae and your diaphragm. It gets tight: sitting regularly, sleeping in fetal position, forward moving exercise.
Sciatica Home Exercises Stretching the piriformis muscle is almost always necessary to relieve the pain along the sciatic nerve and can be done in several different positions. Physical Therapy DataBase: Sciatica Home Exercises