LURKERS. In âWalk With Me,â the Governor describes lurkers as âdocileâ zombies, that is those that have had their arms and jaws removed. Unable to grab or bite, they simply lurk. However, in the wider Walking Dead universe, a lurker is also a zombie that âplays dead,â lying in wait until a warm body comes by.
Minimally Invasive Spine Surgery for Spondylolisthesis. Spondylolisthesis is a condition of the spine characterized by the forward displacement of a vertebra over an underlying vertebra.A significant displacement can cause a compression of the spinal nerves resulting in pain.inimally Invasive Spine Surgery for Spondylolisthesis. Spondylolisthesis is a condition of the spine characterized by the forward displacement of a vertebra over an underlying vertebra.
Importantly, spondylolysis only refers to the separation of the pars interarticularis (a small bony arch in the back of the spine between the facet joints), whereas spondylolisthesis refers to anterior slippage of one vertebra over another (in the front of the spine). If there are no indications of activity with the pars defect, then the spondylolysis is considered inactive and any low back pain the patient is experiencing is probably incidental (meaning that there is probably another cause of the patient's lower back pain, such as a muscle strain).