The Influence of Exercise Activity of Relaxant on the Neuromuscular Drugs*

tion of 0.3 mg./kg. of hexafluorenium fliethiodide (gallamine), decamethonium h). In preliminary studies, the dose of each drug which produced a 90 to 95 per cent decrease of the grip strength, or a :ity, whichever was greater, was selected. The enzymatic hydrolysis of SCh was prevented by the intravenous administra4 a selective inhibitor of plasma cholinesterase. The doses of the relaxants studied are presented in Table I.