question: My Daughter is 17 and is now experiencing painful popping and grinding feeling in her low back. She had an xray and the image according to radiology showed a L5 pars defect. Had an appointment with orthopedic he spent about 10 minutes during the examine said the xray looks nornal did a second xray and normal, told her to start running and doing core exercises for strenghthening. She tried, but to painful. Now she is begininng to miss school because of back pain and we are seeking a second opinion. Are there any specific x rays (flexation) or imaginging we should request.