▁following ▁immediately ▁after ▁the ▁other . ▁Mi ura ▁completed ▁the ▁test ▁in ▁a ▁little ▁over ▁ 3 ▁hours ▁on ▁April ▁ 1 3 , ▁ 1 9 7 2 . ▁In ▁an ▁interview , ▁he ▁re called , ▁" M as ▁O y ama ▁told ▁some ▁of ▁the ▁younger ▁students ▁that ▁if ▁they ▁beat ▁me ▁they ▁would ▁receive ▁instant ▁promotion . ▁That ▁made ▁them ▁very ▁eager " ▁( p .   4 8 ). ▁He ▁has ▁also ▁related ▁that ▁his ▁entire ▁body ▁was ▁sw ol len ▁for ▁several ▁hours ▁afterwards ▁and ▁that ▁wherever ▁on ▁his ▁body ▁he ▁placed ▁his ▁thumb , ▁the ▁sw elling ▁would ▁rise ▁to ▁the ▁second ▁kn uck le , ▁and ▁that ▁for ▁two ▁days ▁he ▁required ▁assistance ▁when ▁going ▁to ▁the ▁to ile t , ▁as ▁he ▁could ▁not ▁b end ▁on ▁his ▁own . ▁He ▁reached ▁the ▁rank ▁of ▁ 4 th ▁dan ▁black ▁bel t ▁on ▁March ▁ 1 8 , ▁ 1 9 7 3 , ▁and ▁his ▁phys ique ▁is ▁, ▁. ▁ ▁United ▁States ▁of ▁America ▁After ▁Mi ura ▁completed ▁the ▁ 1 0 0 - man ▁k um ite , ▁O y ama ▁sent ▁him ▁to ▁New ▁York ▁to ▁study ▁under ▁Sh iger u ▁O y ama ▁( a ▁top ▁Ky ok ush in ▁instruct or ▁in ▁America ▁at ▁the ▁time ), ▁and ▁from ▁there ▁he ▁was ▁sent ▁to ▁Chicago , ▁Illinois , ▁to ▁run ▁the ▁Chicago ▁Ky ok ush in ▁do jo . ▁ ▁In ▁ 1 9 8 4 , ▁he