Injuries of nerves and their consequences - Reflex Sympathetic ...

ANATOMY OF NERVES. 29
rangements may occur in the way of unusual interchanges
of nerve fibres.
Chassaignac, and, more recently, Mr. Hilton, in his
thoughtful book on " Pain and Rest," have pointed out,
as one of the elements of protection to nerves, the fact
that in most instances the motor nerves enter their
respective muscles on the under side, so that the whole
thickness of the muscle is interposed between the nerve
and the exterior sources of injury. We may add that on
their first entrance to a limb, the larger nerves lie in the
leg at the back, or in the arm, upon the inside, where
they are singularly secure from harm.