▁level ▁of ▁rec ruits ▁when ▁the ▁US ▁entered ▁World ▁War ▁II . ▁Cons isting ▁of ▁a ▁series ▁of ▁the ▁exer cis es ▁performed ▁in ▁rapid ▁succession , ▁the ▁test ▁was ▁meant ▁to ▁be ▁a ▁quick ▁measure ▁of ▁ag ility , ▁coord ination , ▁and ▁strength . ▁ ▁Vari ants ▁▁ ▁Box - j ump ▁bur pe e ▁ ▁The ▁ath lete ▁j umps ▁onto ▁a ▁box , ▁rather ▁than ▁straight ▁up ▁and ▁down . ▁ ▁Bur pe e ▁broad ▁jump ▁A ▁bur pe e ▁followed ▁by ▁a ▁station ary ▁two ▁foot ed ▁distance ▁jump . ▁ ▁Bur pe e ▁push ▁up ▁( also ▁known ▁as ▁a ▁" b ast ardo ") ▁The ▁ath lete ▁performs ▁one ▁push - up ▁after ▁assuming ▁the ▁extended ▁pl ank ▁position . ▁ ▁Cross F it ▁bur pe e ▁The ▁ath lete ▁performs ▁a ▁standard ▁four ▁count ▁bur pe e ▁with ▁the ▁addition ▁of ▁a ▁tr ice p ▁push ▁up ▁at ▁the ▁bottom , ▁where ▁the ▁ch est ▁and ▁th igh s ▁touch ▁the ▁floor , ▁and ▁jump ▁at ▁the ▁top ▁of ▁the ▁standing ▁position ▁with ▁hands ▁above ▁the ▁head .. ▁ ▁Cross F it ▁speed ▁bur pe e ▁ ▁The ▁ath lete ▁dro ps ▁to ▁the ▁ground ▁with ▁the ▁ch est ▁and ▁th igh s ▁touch ing ▁the ▁floor , ▁creating ▁a ▁h ollow ▁back ▁through ▁hip ▁extension , ▁rolling ▁onto ▁the ▁kne es ▁getting ▁up , ▁and ▁perform ▁a ▁jump ▁with ▁hands ▁above ▁the ▁head . ▁This ▁version ▁is ▁all ▁about ▁efficiency , ▁high ▁re ps