 [ Symptoms ] i was born with bilateral pars defect and have spondylolysis can i fix this or help with the pain [ Disease ] the pars defect may have increased causing the bones  vertebra to slip over one another this usually causes the underlying nerves to compress leading to pain in the legs yoga and healthy back exercises will help you but these should be done only after th pain has reduced to some extent do take pain killers for 3 days and then start on the exercises