These roots split into finer rootlets before joining the spinal cord. The main nerves in the lumbar plexus are the genitofemoral nerve, lateral femoral cutaneous nerve and femoral nerve. In its static form, the human spinal cord has 3 basic physiological curves in the cervical, thoracic and lumbar regions. The 4 th curve of the coccyx is a non-mobile inflexible curve. Most back pain patients will substantially and rapidly recover, even when their pain is severe.
Recurrences are common and follow a similar course to earlier incidences.
Diagnosis of the cause is often difficult.