Lumbar spine arthritis is a medical condition characterized by pain and stiffness in the joints that connect each spinal segment, or vertebrae, according to About.com. The condition often occurs along with disc degeneration and spinal stenosis.
Although lumbar spine arthritis can affect people in all age groups, it is mostly seen in older individuals, notes About.com. Additional factors that increase the risk for developing the ailment include obesity, performing heavy labor on a regular basis and prior spine injuries. Treatment depends on the scope and severity of the condition but includes physical therapy, weight loss, anti-inflammatory medications, chiropractic treatment and epidural injections. In the most severe cases, spinal fusion surgery may be necessary.