[The effect of tramadol on psychic and psychomotor performance in man (author's transl)].

1. 1-(m-Methylphenyl)-2-(dimethylaminoethyl)-cyclohexan-1-ol (tramadol; Tramal) (75 mg) did not affect the physical working capacity as measured by means of bicycle ergometer in healthy volunteers. 2. Tramadol also had no effect on psychomotor performance in the eye-hand coordination test.