If it is hard to pinpoint the cause of your discomfort, consult a hip and/or backbone expert. The specialist might get an injection of lidocaine, or they may accomplish diagnostic/therapeutic hip injection less than fluoroscopy or ultrasound. Electromyography (EMG): EMG testing steps the electrical activity of muscles and may help https://www.theorthopaedicandpainpractice.com/service/lower-back-buttock-pain/