Answer:
Once a diver returns to full activity after surgery and has no residual symptoms such as numbness, tingling, pain or burning sensations in the legs, the back problem is probably corrected. The diver can return to scuba diving as long as symptoms don't recur with exercise or other activities. Extra precautions after back surgery include: donning equipment after entering the water; limiting dive depths and times; increasing the length of surface intervals; and reducing diving frequency. Limiting exposure to high partial pressures of nitrogen is the best way to avoid decompression illness.
Step-by-step explanation: