Stabbing small back pain can be from muscle mass spasms, Whenever your muscles seize up and don't rest, similar to a cramp. 5. Numbness or pins and needles from the groin or glutes: This is named saddle anesthesia and is also a sign of a serious nerve or backbone issue. https://knoxwnykx.total-blog.com/foraminal-stenosis-for-dummies-61862223