The effects of proprioception exercise with and without visual feedback on the pain and balance in patients after total knee arthroplasty.
Hyung-Taek Oh, Gak Hwangbo
PMID 29410581WHAT IT FOUND
Pain decreased in both groups after knee replacement, and visual feedback did not add pain relief; however, it improved front-to-back and side-to-side balance more than training without feedback.
Key findings
01Pain decreased within both groups, but there was no significant between-group difference in pain.
02The visual feedback group showed a larger decrease in anteroposterior and mediolateral balance scores than the control group.
03Both groups showed within-group decreases in anteroposterior and mediolateral balance scores after training.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
Only twelve patients were assigned to each group. The authors state that compensation with the upper limbs or trunk was not prevented during balance training. The authors state that the surgical sites of the patients were not consistent. The authors state that pain decreased as time passed, not because of the eight-week training.
The easy way to misread this
Do not conclude that visual feedback reduced pain more than training without feedback. Pain decreased in both groups, and the paper reports no significant between-group difference.