Some other fun facts about the construction of the Mackinac Bridge. The annual Mackinac Bridge Walk is held every year on Labor Day. Two lanes of traffic are closed and 50-80,000 people, all led by the Governor of Michigan walk together over the bridge.
A lumbar puncture (also called a spinal tap) is a procedure to collect and look at the fluid (cerebrospinal fluid, or CSF) surrounding the brain and spinal cord. During a lumbar puncture, a needle is carefully inserted into the spinal canal low in the back (lumbar area). Samples of CSF are collected.
A lumbar puncture (or LP, and colloquially known as a spinal tap) is a diagnostic and at times therapeutic medical procedure. Diagnostically it is used to collect cerebrospinal fluid (CSF) to confirm or exclude conditions such as meningitis and subarachnoid hemorrhage and it may be used in diagnosis of other conditions.ontact between the side of the lumbar puncture needle and a spinal nerve root can result in anomalous sensations (paresthesia) in a leg during the procedure; this is harmless and patients can be warned about it in advance to minimize their anxiety if it should occur.