While advancement in technology has increased comfort at the office to a great extent, long sitting hours working in a chair has created many physical problems. Office workers are usually the most likely to get tproblems with their lower back region. Lower back stretches are the most beneficial solution to these problems.
There are some exercises [...]

The muscles in your back as well as the spine itself need to be stretched if you want to help relieve lower back pain.
Here is a great resource with explanations on which lower back stretches to do and how to do them:
Lower Back Stretches at PhysioAdvisor.com
The site is a physio site so they do have [...]

Well I have found a really great source for back stretches diagrams.  The site is actually a fitness site, but it clearly shows how to do all sorts of stretches, and has an animation, diagrams and a short explanation.
The type of stretches include:
Upper Back Stretch – pushing against a wall
Lower Back Stretch – lying on [...]