Learning and interlimb transfer of new gait patterns are facilitated by distributed practice across days.
Chandramouli Krishnan
PMID 30831544WHAT IT FOUND
Splitting treadmill gait practice across two days produced better learning and better transfer to the untrained leg than the same 18 blocks in one day in healthy adults.
It suggests spacing sessions may help, but clinical gait effects are not shown.
Key findings
01Distributed practice produced lower tracking error in the trained leg than massed practice.
02Distributed practice produced greater initial and final interlimb transfer to the untrained leg than massed practice.
03The amount of learning on the training leg was linearly related to the amount of transfer to the opposite leg.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The participants were healthy young adults with no major orthopedic or neurological conditions, so the results may not apply to patients with gait deficits. The paper does not state how participants were assigned to the massed or distributed practice groups. The untrained leg was not recorded during training, so subtle practice with that leg cannot be ruled out. The massed group had one-minute rests between blocks, so this was not continuous practice with no rest. The study did not test how long the learning and transfer effects last. The task was treadmill foot-trajectory tracking, not a clinical measure of walking function.
Declared interests
No author conflict-of-interest declaration is provided in the supplied text. The article is listed as supported by NIH extramural and non-U.S. government research support.
The easy way to misread this
Do not conclude that spacing gait practice improves clinical walking in stroke or cerebral palsy. The study tested healthy adults learning a treadmill foot-tracking task, and it did not measure patient function or long-term retention.