Exercise increases muscle GLUT-4 levels and insulin action in subjects with impaired glucose tolerance. - Hughes,V.A.; Fiatarone,M.A.; Fielding,R.A.; Kahn,B.B.; Ferrara,C.M.; Shepherd,P.; Fisher,E.C.; Wolfe,R.R.; Elashi,D.; Evans,W.J. (Am J Physiol, 1993)