It is possible. You will need to take a home pregnancy test as soon as possible to confirm this.
your on your period
Pain Ab-e Olya's population is 115.
The population of Pain Ab-e Sofla Sharqi is 81.
Lower back pain is usually a result of increased strain in the area. A way to train the back is by crunches and or bicycle ab-workouts. A simple remedy is to purchase a roller and "roll" the afflicted area to loosen tight muscles.
Bolj (ab BOL') In Cyrillic - БОЛЬ
If the lower ab exercises are being done properly they should not strain the back. It is important to stretch prior to doing the exercises or the likelihood of straining the back will increase.
The Back and Ab Machine helps reduce back pain in those that have it.
I believe that shingles can cause lower back pain.
The cheapest lounge available on Amazon is the Ab Lounge Sport. On Amazon the Ab Lounge Sport is sold for $125. The Ab Lounge Sport works out both the upper and lower abs.
It can cause lower back pain but not always
Referred pain is perceived in the lower back but is caused by inflammation elsewhere--often in the kidneys or lower abdomen.
I would have to assume that depending on the possition you are in the ab lounger ultra can either work upper or lower abs maybe even both at the same time