overprecision

— The motor coordinations are lost for a moment, all the ways of awkwardness, mannerisms, and semi-imperative acts manifest themselves as a result. This is again the age of the basal — e. g., hill-climbing muscles of leg and back and shoulder work, and of the yet more fundamental heart, lung, and chest muscles " (1: vol. i, p. 165). As during early childhood, now the danger is overemphasis upon the activities of accessory muscles and overprecision.