of the peripheral nervous system by physical examination. The basics of muscle testing as well as the relationships of the muscles to the nerves are still as utilitarian today. Topics included in Peripheral Nerve Injuries: -General principles of the composition of segmental nerves, plexuses and peripheral nerves -The innervation of skin and muscles by spinal segments -The distribution of peripheral nerves -Innervation of the skeleton, and disorders of bones and joint tissues resulting from nerve injuries -Manifestations of peripheral nerve injuries -An analysis of the movements tested in neurological examination -Classification, causes and symptomatology of peripheral nerve injuries -And much more.