Quadratus Lumborum Stretch
The Quadratus Lumborum muscle is a common source of low back pain.
Quadratus Lumborum Muscle
The animated exercise is one of most effective stretches for this muscle.
To do this exercise, simply lie on your back with both legs bent and cross your leg over the top of your opposite knee.
From here, let your crossed leg(the knee that is the highest) slowly rotate toward the floor and hold for a count of 10. Do this exercise 10 times on both sides.