in pre- and =ostmenopausal women. Osteoporos =nt. 1999;9:1- 12. =oi: 10.1007/s001980050109. [PubMed] [Cross Ref] Mille ML. Johnson ME. =artinez KM. Rogers MW Age-dependent differences in lateral balance =ecovery through protective stepping. Clin Biomech. 2005;20:607-616. doi: =0.1016/j.clinbiomech.2005.03.004