The amount of energy expenditure while exercising will generally not directly impact the injury to the disc. It is BLT or bend, lift, twist that affects the lumbar disc. If you picked an activity such as road biking, that would not cause significant increased disc wear. Now however, if you started squats/weight lifting, the disc will prematurely wear.
Will symptoms of tingling and cramping eventually go away, I cannot say. They should improve with time (months to years) but may not totally disappear.
Dr. Corenman