If you haven't been working, lifting items, exercising, were bed-ridden for medical reasons or as a personal decision, or have stretched recently; You probably just pulled a muscle. We cannot say for sure, due to a lack of information, but if the problem persists please see your doctor. Your doctor can suggest exercises, give a prescription for pain medicine, or even take x-rays to check the pained area.
Acute pain in the lower back that does not extend to the leg is most commonly caused by a sprain or muscle tear, usually occurring within 24 hours of heavy lifting or overuse of the back muscles.
Back pain lower right side causes are: Lower back and kidney disorders.
If it is in the lower right, comes on suddenly and does not go away, it may be an appendicitis. If it comes in waves, with nausea and includes lower back pain it may be kidney stones. If it is sudden, causes nausea, and is lessening in intensity over 1-3 hours it may be a rupturing ovarian cyst.
One can find information about the causes of lower back pain from the following sites; Chronic pain site, WebMD, Mayo clinic, Bupa, Health guide, and NHS.
sciatica
You could have a slipt disc in your lower back, they are very painful.
LABOR
A sudden increase in sexual behavior can cause lower abdominal pain in women. This is if they do things too fast.
Could be Kidney infection? Just a suggestion
appendix or kidney infection.
I can you provide me with an answer on my request. Thank you
Lower back or shoulder pain is typically caused by bad posture or stress. Sometimes it is a combination of the two. In uncommon cases, the pain or ache is due to back or shoulder injury, which of course should be closer looked at by a medical professional.
The spine-health website offers alot of information about lower back pain, the causes and a list of safe exercises you could do to reduce your symptoms. Alternatively the exercise4weightloss website offers diagrams of lower back exercises.