Both the experimental group and the control group showed a significant improvement in
six-minute walk test, Tinetti Gait Index, and TIS Total score (p<0.05), but only the
experimental group showed a significant improvement in dynamic sitting balance and
coordination among the TIS subscales (p<0.05). 
7 in the chest expansion exercise with transcutaneous electrical nerve stimulation (TENS) group (experimental group)
7 in the chest expansion exercise with placebo TENS (control group)
Tinetti Gait Index and the TIS Total Score