as another student was quicker than julio in raising his hand , and as the teacher took the time needed to completely answer the other student 's question , julio apparently felt a need to use that same time to get some exercise in as he would raise his hand quickly , holding it in the air and quietly mouthing a count to himself , `` one , two , three , four , '' and then his hand would lower slowly as he mouthed another count of , `` one , two , three , four . ''