The Paramedian Approach Versus the Mid Line Approach?

A spinal needle or epdural needle not pass during a midline placement of a sub racnoid block in the three to for lumbar space? A, super spinus ligament. B, inter spinous ligament. C, posterior longitudinal ligament. D, duramater. The pop felt just before entering the epideral space, represents passage through which ligament and plavum. It's so satisfying when you pump jus s those things also, that i remember notf you know, the first several epe girls that you do may be the first several dozen, you may not feel it, right?