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The Dual-Task Tandem Gait Test: Baseline Testing That Reveals What Static Balance Can't
Walking heel-to-toe while counting backwards — the SCAT6 test that captures cognitive-motor integration.
The dual-task tandem gait test, added to the SCAT6 in 2023 by the Concussion in Sport Group, represents an important evolution in baseline assessment. It requires athletes to walk heel-to-toe along a 3-meter line (tandem gait) while simultaneously performing a cognitive task — typically counting backwards from 100 by sevens.
Why divided attention matters
This dual-task paradigm challenges the brain to manage two processes at once: motor planning and execution (walking precisely heel-to-toe) and cognitive processing (serial subtraction). After concussion, the brain’s ability to divide attention between motor and cognitive demands is often impaired before either function shows deficits when tested independently. Research published in Gait & Posture and the Journal of Science and Medicine in Sport has demonstrated that dual-task conditions are more sensitive to concussion-related impairment than single-task testing.
Why it mirrors real sport
The science behind dual-task testing reflects how the brain actually operates during athletics. Sports require simultaneous physical coordination, environmental awareness, strategic thinking, and communication — all occurring under time pressure and physiological stress. A static balance test with eyes closed captures one narrow aspect of motor function. A dual-task test captures something closer to the cognitive-motor integration that sports demand.
What’s measured
At baseline, the test records completion time and the number of steps on the line. Post-injury, any significant increase in time, decrease in accuracy, or need to prioritize one task over the other (stopping walking to count, or abandoning the cognitive task to focus on walking) may indicate residual impairment.
Our recommendation
At Headquarters, dual-task tandem gait assessment is a standard component of our SCAT6-aligned baseline protocol. If your current baseline only includes static balance and cognitive testing administered separately, you may be missing the domain where concussion effects show up earliest and most clearly. See also what changed in SCAT6.