Often back pain occurs in the workplace. Prolonged sitting in the wrong position can lead to chronic muscle fatigue and subsequent pain. Back pain also often provokes work associated with frequent bending and lifting of weight. Don't think that plank may hurt, but just in case here is one of many tiger balm uses that can help https://www.tigerbalm-baumetigre.com/blog/46-uses-tigerbalm/
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.