L4 - Sciatica lumbago, difficult, painful or too frequent urination, backaches. L5 - Poor circulation in the legs, swollen ankles, weak ankles and arches, cold feet, weakness in the legs, leg cramps.
DIRECTIONS :Step 1: Hover over spine to see vertebrae no's Step 2: Click on an area of the spine to see results of nerve impingement. Step 3: Read conditions associated with this area of the spine