▁included , ▁it ▁may ▁be ▁called ▁a ▁long ▁arm ▁or ▁long ▁leg ▁cast . ▁ ▁Body ▁Body ▁cast s , ▁which ▁cover ▁the ▁tr unk ▁of ▁the ▁body , ▁and ▁in ▁some ▁cases ▁the ▁neck ▁up ▁to ▁or ▁including ▁the ▁head ▁( see ▁Min erva ▁Cast , ▁below ) ▁or ▁one ▁or ▁more ▁lim bs , ▁are ▁rarely ▁used ▁today , ▁and ▁are ▁most ▁commonly ▁used ▁in ▁the ▁cases ▁of ▁small ▁children , ▁who ▁cannot ▁be ▁trust ed ▁to ▁comp ly ▁with ▁a ▁back ▁bra ce , ▁or ▁in ▁cases ▁of ▁radical ▁surg ery ▁to ▁repair ▁an ▁injury ▁or ▁other ▁defect . ▁A ▁body ▁cast ▁that ▁enc ases ▁the ▁tr unk ▁( with ▁" stra ps " ▁over ▁the ▁shoulders ) ▁is ▁usually ▁called ▁a ▁body ▁jack et . ▁These ▁are ▁often ▁very ▁un com fort able . ▁ ▁E DF ▁cast ▁An ▁E DF ▁( el ong ation , ▁der ot ation , ▁flex ion ) ▁cast ▁is ▁used ▁for ▁the ▁treatment ▁of ▁Inf ant ile ▁Id iop ath ic ▁sc ol ios is . ▁ ▁This ▁method ▁of ▁treatment ▁for ▁correction ▁was ▁developed ▁by ▁UK ▁sc ol ios is ▁special ist ▁Min ▁Me ht a . ▁ ▁S col ios is ▁is ▁a ▁ 3 - dimensional ▁problem ▁that ▁requires ▁correction ▁in ▁all ▁three ▁plan es . ▁The ▁E DF ▁casting ▁method ▁can ▁el ong ate ▁the ▁sp ine ▁through ▁tra ction , ▁der ot ate ▁the ▁sp ine / pel vis , ▁and ▁improve ▁lord osis ▁and ▁overall ▁body ▁shape