hi, i am 33 yr old female, i have been suffering from lumbar spondylolysis for the last 8 yrs.initially the pain was tolerable, but since last 2 yrs it has become unbearable, i am not able to sit or travel. If i sit within seconds a shooting pain starts in my lower pain near the tail bone wich increases upwards till the middle back,i am married & after having sex in the missionary positin thats what my hubby prefers my back pain aggravates, my weight is 59 kg & height is 5 3\