I used to sometimes have back pain when I did gymnastics, but its not really an issue anymore. I feel bad for those who have it chronically.
I hate back pain also, in any region of the back.
Yeah its really hard to do anything because your back is so important to any physical activity basically.
The lumbar area is the most common area for back pain.
Yeah I hear about back surgeries and chiropractors all the time, I also see products designed for lumbar support and such
Back pain can originate from the muscles but also from the joins or bones.
Right like the most common I hear about has to do with the cartilage discs in the back 
Back pain is common in 9 or of 10 adults. Seems like a lot to me.
Yes that is alot. I feel bad for pregnant women, I had my baby really early so I didn't experience the back pain that most do
Yes, back pain is the most common cause of chronic pain.