METHODThis study was performed at nursing home, Thailand from January 2014 till May 2014. FollowingMahidol university ethical committee approval, the researcher recruited elderly person who had a single legbalance time lower than 30 seconds.11, 12 The inclusion criteria were elderly aged more than 60 years, and hadresting blood pressure lower than 140/90. The elderly, who could not follow commands or had a severemedical condition that disallowed them to perform exercise, were excluded.