Ancient Egypt also looks good for blackwork and dotwork. Philip Yarnell representated the weighing of the heart and god Anubis. The afterlife was a strong point of Egyptian culture, surprisingly similar with Christian culture.
Psoas muscle attaches to your lower spine and to your thigh bone. If it's tight (sitting too much?) it pulls your lower back. It's one of the common causes of lower BACK PAIN! If you can stretch this regularly then your lower back may feel a lot better!