Effects of elastic-band resistance exercise on balance, mobility and gait function, flexibility and fall efficacy in elderly people.
Cheol-Jin Kwak, You Lim Kim, Suk Min Lee
PMID 27942147WHAT IT FOUND
Adding elastic-band lower-limb exercise to general physical therapy improved balance, gait, flexibility and fall confidence more than general physical therapy alone in 30 rural older adults.
The added band component cannot be separated from extra session time.
Key findings
01In the elastic-band plus general physical therapy group, Berg Balance Scale scores rose by 9.07 points out of 56, versus 2.4 points in the general physical therapy control group.
02The same group improved Timed Up and Go time by 1.0 seconds, compared with 0.1 seconds in the control group.
03Activities-specific Balance Confidence scores increased by 6.9 points on the scale converted to 100%, versus 2.8 points in the control group.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The study analysed 15 people in each group after dropouts; 23 experimental and 22 control were assigned, and transfers or deteriorated condition removed participants before the final test. The paper does not state how participants were assigned to groups or whether outcome raters were blinded. The control group received only general physical therapy, while the experimental group received additional 30-minute elastic-band sessions, so extra time, attention and supervision may have contributed. Participants were rural outpatients aged 65 or older who were independent and cognitively able, so results may not apply to nursing-home residents, people with severe balance disorders, or more impaired patients. The follow-up was only 8 weeks, so longer-term benefit and persistence were not shown. Medication and nutrition were not completely excluded, which can affect balance and fall risk.
The easy way to misread this
Do not conclude that elastic-band exercise alone caused the improvements. Both groups received general physical therapy, and the elastic-band group received additional elastic-band sessions, so the band's effect cannot be separated from extra therapy time, attention and supervision.