Ethernet now commonly uses a star topology,although this is rather unfavorable when it comes to system wiring and canlead to excessive cabling effort or highly cascaded communication depend-encies.Another factor is that not all Ethernet installations are identical.
A cervical selective nerve block is an injection designed to help relieve neck pain, shoulder pain, and/or arm pain caused by a pinched nerve or nerves in the cervical spine.
EMG for back pain and leg pain, or for neck pain and arm pain, helps to get the last 10% of certainty about the location of nerve injury, and excludes injured nerves in the arm or leg.