Validating attentive locomotion training using interactive treadmill: an fNIRS study.
Seunghue Oh, Minsu Song, Jonghyun Kim
PMID 30572919WHAT IT FOUND
Healthy young adults showed more brain activity in walking-related areas when using an interactive treadmill that asked them to match changing target speeds, especially at faster relative speeds.
Key findings
01Interactive treadmill walking produced broader cortical activation than conventional treadmill walking in the measured regions, regardless of walking speed.
02At the faster relative speed, interactive treadmill walking showed larger oxygenated hemoglobin changes than conventional treadmill walking in the prefrontal, sensorimotor, supplementary motor, and premotor regions.
03At the slower relative speed, interactive treadmill walking showed larger oxygenated hemoglobin changes than conventional treadmill walking in the premotor, supplementary motor, and sensorimotor regions, but only the supplementary motor region showed a significant difference.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The study tested healthy young adults, not the elderly or patients with gait disorders who are the likely users of treadmill training. It measured brain activity as a proxy for attention, not walking recovery, independence, or patient-reported function. It did not evaluate gait performance changes after training or compare long-term outcomes. The fNIRS analysis did not use short-separation channels, which can help correct signal contamination from movement and scalp blood flow. The conventional treadmill used a speed profile designed to mimic the interactive treadmill, so the comparison does not show how a usual fixed-speed treadmill training condition would perform.
Declared interests
The supplied text lists funding from the DGIST R&D Program of the Ministry of Science, ICT, and Future Planning and from a National Research Foundation of Korea grant funded by the Korea government, but it does not report author conflicts of interest.
The easy way to misread this
Do not conclude that interactive treadmill training improves gait recovery in patients. The study measured brain activity during walking in healthy young adults and did not assess clinical walking outcomes.