If the nerves in your lower back get irritated - or structures around those nerves get irritated (for example, bulging discs) - anything in your leg (or butt) that those irritated nerves “touch ...

sometimes pressing on nearby nerves. This can result in pain, numbness, tingling, and weakness in the lower back and legs, often exacerbated by movements like bending or twisting. Spinal stenosis ...

Video showing the new neuroprosthetic system, restoring sensations from the missing leg to the above-knee amputees ... and cognitive integration of the lower limb prosthesis." ...