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Show . j "Pins and Needles." After being for a long time In a constrained con-strained attitude a peculiar numbness and pricking Is oftpn felt In the arm. leg or foot. This Is caused by aome Interruption to the circulation and can tiiia..y be removed by rubbing or eterclsp. The reason of the sensation, which is decidedly uncomfortable whll It lasts, is that pressure for a certain lenRth of time deadens the sensibility sensibil-ity of a nerve When this pressure Is suddenly removed iss straightening out the leg after sitting with It don bled underneath the body) sensibility gradually returns to the nerve, and as each nerve fiber composing the trunk regains Its normal condition of sensibility a prlrklng sensation Is felt, and these successive prickings from the successive awtkenlngs of the au- I merotia fibers have not Inaptly ben. called "pins and needles." From the Family Doctor. 1 |