▁to ▁promote ▁exercise ▁on ▁military ▁bases . ▁J ok gu ▁is ▁very ▁popular ▁in ▁Korea , ▁with ▁over ▁one ▁thousand ▁teams ▁in ▁professional , ▁school , ▁& ▁military ▁le agues . ▁It ▁is ▁also ▁one ▁of ▁the ▁most ▁common ▁ways ▁to ▁pass ▁time ▁in ▁the ▁military . ▁J ok gu ▁is ▁just ▁one ▁of ▁the ▁many ▁sports ▁that ▁were ▁premier ed ▁at ▁the ▁ 1 st ▁Ann ual ▁Le is ure ▁Games ▁in ▁Ch un che on , ▁Korea ▁in ▁ 2 0 1 0 . ▁As ▁interest ▁in ▁J ok gu ▁has ▁grown ▁in ▁America , ▁teams ▁joined ▁together ▁in ▁ 2 0 1 1 ▁to ▁form ▁a ▁J ok gu ▁league ▁and ▁a ▁door ▁to ▁the ▁world ▁stage ▁was ▁opened . ▁ ▁Rule ▁It ▁can ▁be ▁described ▁as ▁a ▁fusion ▁of ▁vol ley ball ▁and ▁s occer . ▁The ▁rules ▁are ▁similar ▁to ▁vol ley ball , ▁but ▁only ▁your ▁feet , ▁sh in , ▁& ▁head ▁may ▁have ▁contact ▁with ▁the ▁ball . ▁Teams ▁are ▁made ▁up ▁of ▁four ▁people ▁on ▁each ▁side ▁of ▁the ▁net ▁and ▁the ▁height ▁of ▁the ▁net ▁is ▁similar ▁to ▁tennis ▁( 1 . 1 - meter ). ▁Play ers ▁are ▁allowed ▁three ▁contacts ▁per ▁side ▁with ▁one ▁b ounce ▁in - between ▁contacts . ▁The ▁playing ▁area ▁measures ▁ 1 6 ▁x ▁ 7 ▁meters . ▁Each ▁of ▁two ▁teams ▁has ▁four ▁starting ▁players ▁and ▁three ▁rel ie vers . ▁A ▁game ▁consists ▁of ▁three ▁sets ▁of ▁ 1 5 ▁points ▁each . ▁Sc