IRCT20210930052642N1 IRCT 2021-10-27 Islamic Azad University incidence of low back pain after spinal anesthesia by Madin and Paramedin methods in non-pregnant women undergoing short-term surgery incidence of low back pain after spinal anesthesia by Madin and Paramedin methods in non-pregnant women undergoing short-term surgery 2021-10-08 anticipated 106 Complete https://irct.ir/trial/59184 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive, Randomization description: Simple individual randomization: A simple random method will be divided into intervention or control. The tool used will be a random number table. By selecting a number at random and specifying the direction of movement, people will be assigned to the control group if it shows the direction of movement of an even number. If it shows an odd number of people will be given to the intervention group. The output is that people are randomly divided into two equal groups, Blinding description: Participants: Participants in this study were unaware of the type of spinal sensation performed. Clinical caregivers: The doctors who performed the project did not know that low back pain would be studied in patients undergoing spinal anesthesia. N/A back ache. Intervention 1: First intervention group: Prevalence of low back pain in Median method. Intervention 2: The second intervention group: the prevalence of low back pain in the paramedian method. Yes - There is a plan to make this available What will be shared: All data is potentially shareable after unidentified individuals When: Start of access period 2 years after printing results To whom: Everyone Conditions: There are no special conditions Where to obtain: Includes mailing address for correspondence How to obtain: Use the postal address after request for up to one month Comments: