Bo Nix’s back injury can cause “some of the worst pain,” but there’s no long-term sequela, according to Dr. Payal Kohli.

The same type of stiletted needle is used for the iliac-crest and spinous-process punctures as previously used for the sternal approach. ¶ The needle has a total length of 6.7 cm. and a shaft of ...

The facet joints are located on the symmetrical wing-shaped structure on the back of each vertebra called a spinous process.