A pathologic disc can compress the sciatic nerve resulting in sciatica. Although any pathologic disc is potentially serious.
Myofascial Trigger Points (Muscle Knots)
The four most common causes of a myofascial trigger point are: overuse of the muscle, chronic stretch, prolonged immobility, and trauma to the muscle.
Pathologic Disc Conditions of the Neck
The danger with a disc bulge or herniation is that the disc can compress the spinal nerve within the intervertebral foramen, causing a pinched nerve.