Pool phenomenon[pūl]


1. in tetany, spasm of both the quadriceps and calf muscles when the extended leg is flexed at the hip;
2. in tetany, contraction of the arm muscles following the stretching of the brachial plexus by elevation of the arm above the head with the forearm extended, resembles the contraction resulting from stimulation of the ulnar nerve.

leg phenomenon , Pool-Schlesinger sign , Schlesinger sign

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