“…The majority of the participants were community dwellers, with mild activity compromise, cardiovascular problems, AID [40]), and other degenerative problems[60, 64]. Participants were assigned through simple randomization mostly [20,31,37,44,60,71,76], and few used purposive sampling methods [40,64,68], by using advertisement, visiting senior centers, and through hospital visit) participants were selected in most of the RCTs [19,31,64,71,76]. The participants' ages range from 60 to 89 years old.…”