Pool phenomenon

Pool phe·nom·e·non

(pūl),
1. in tetany, spasm of both the quadriceps and calf muscles when the extended leg is flexed at the hip; Synonym(s): leg phenomenon, Pool-Schlesinger sign, Schlesinger sign
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. Synonym(s): arm phenomenon

Pool phe·nom·e·non

(pūl fĕ-nom'ĕ-non)
1. In tetany, spasm of both the quadriceps and calf muscles when the extended leg is flexed at the hip.
Synonym(s): Schlesinger sign.
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.

Pool,

Eugene H., U.S. surgeon, 1874-1949.
Pool phenomenon - in tetany, spasm of the extensor muscles of the knee and of the calf muscles when the extended leg is flexed at the hip; in tetany, contraction of the arm muscles following the stretching of the brachial plexus resembles the contraction resulting from stimulation of the ulnar nerve. Synonym(s): Pool-Schlesinger sign; Schlesinger sign
Pool-Schlesinger sign - Synonym(s): Pool phenomenon