From the moment that back pain starts, we must pay close attention to the different variables associated with it. Back pain can originate from various musculoskeletal and nerve problems. The most common cause of back pain begins with a slipped disk, also known as a “herniated nucleus pulposa” (HNP). Physicians typically refer to a rupture in the “intervertebral disk” as a slipped disk. An intervertebral is located between the spinal column and the posterior spine.