▁the ▁end ▁of ▁World ▁War ▁II ▁and ▁the ▁re - est ab lish ment ▁of ▁Czech oslov ak ia , ▁hard ▁negoti ations ▁took ▁place ▁in ▁order ▁to ▁secure ▁equal ▁position ▁for ▁Slov ak ▁athlet es ▁who ▁maintained ▁a ▁separate ▁national ▁organization ▁during ▁war ▁years . ▁This ▁was ▁reflected ▁in ▁name ▁change ▁to ▁Česk oslov ensk á ▁am at ér ská ▁at let ická ▁un ie ▁( Č S AA U , ▁Czech oslov ak ▁Am ateur ▁Athlet ic ▁Union ) ▁in ▁ 1 9 4 7 . ▁Another ▁name ▁change ▁to ▁Česk oslov ensk ý ▁at let ický ▁sv az ▁( Č AS , ▁Czech oslov ak ▁Athlet ic ▁Federation ) ▁came ▁one ▁year ▁later ▁when ▁the ▁new ▁commun ist ▁government ▁put ▁in ▁effect ▁prof ound ▁changes ▁in ▁the ▁organization ▁of ▁sports . ▁During ▁the ▁late ▁commun ist ▁period ▁there ▁were ▁also ▁( mer ely ▁formal ) ▁sub div isions ▁of ▁Č AS , ▁one ▁for ▁Czech ▁and ▁one ▁for ▁Slov ak ▁part ▁of ▁the ▁feder ation ▁named ▁Česk ý ▁at let ický ▁sv az ▁and ▁Slov ensk ý ▁at let ický ▁z vä z . ▁After ▁the ▁dissol ution ▁of ▁Czech oslov ak ia ▁in ▁ 1 9 9 2 ▁these ▁branches ▁became ▁full ▁scale ▁national ▁gover ning ▁bodies ▁for ▁athlet ics ▁in ▁their ▁respective ▁countries . ▁ ▁K its ▁The ▁Czech ▁Republic ' s ▁k its ▁are ▁currently ▁supplied ▁by ▁N ike . ▁ ▁See ▁also ▁ ▁Czech ▁records ▁in ▁athlet ics ▁ ▁External ▁links ▁▁▁▁ ▁Czech ▁Republic ▁ ▁Athletics