It'd be helping if you also share the reason which you think hurt your back. Being an athlete I've seen many weight lifters facing issues with back pain. The whole workout routine is much effected due to prolonged back pain. I've experienced that poor posture and weak muscles can cause the pain in back. For correcting the posture these exercises
https://www.lifehack.org/681026/exer...mprove-posture can be much helpful. While these should be done with proper guidance of the doctor. Wearing weight lifting belt often helps in supporting the back if the back muscles are not enough strong. See its more benefits here
https://www.aqfsports.com/blogs/news...ng-belts-guide .