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!
YOGA SEQUENCE FOR A STRONG CORE: These moves are fairly simple but when done with precision they'll really make you feel the burn. You don't need to warm up for this sequence, I'd suggest doing it maybe times a week. This is great for those wanting to