Fz. Li et al., An evaluation of the effects of Tai Chi exercise on physical function among older persons: A randomized controlled trial, ANN BEHAV M, 23(2), 2001, pp. 139-146
This study was designed to determine whether a 6-month Tai Chi exercise pro
gram can improve self-reported physical functioning limitations among healt
hy, physically inactive older individuals. Ninety-four community residents
ages 65 to 96 (M age = 72.8 years, SD = 5.1) volunteered to participate in
the study Participants were randomly assigned to either a 6-month experimen
tal (Tai Chi) group (n = 49), which exercised twice per week for 60 min, or
a wait-list control group (n = 45). A 6-item self-report physical function
ing scale. assessing the item of behavioral dysfunction caused by health pr
oblems, was used to evaluate change in physical functioning limitations as
a result of Tai Chi intervention. Results indicated that compared to the co
ntrol group, participants in the Tai Chi group experienced significant impr
ovements in all aspects of physical functioning over the course of the 6-mo
nth intervention. Overall, the experimental group had 65% improvement acros
s all 6 functional status measures ranging from daily activities such as wa
lking and lifting to moderate-vigorous activities such as running. It was c
oncluded that the 6-month Tai Chi exercise program was effective for improv
ing functional status in healthy, physically inactive older adults. A self-
paced and self-controlled activity such as Tai Chi has the potential to be
an effective, low-cost means of improving functional status in older person
s.