16o, 162Tm nuclei have been reinvestigated at high spins by 128,13OTe(37C1 ' 5n) reactions, respectively. In the yrast bands of both nuclei the crossing frequencies correspond to the second neutron backbending (BC). The same is true for the side bands in 162Tm but not in 16~where the first neutron backbending (AB) is observed.