Abstract
Dual tasks are fundamental and standard for daily walking and balance movements. However, further research is required to determine the comprehensive postural profile during challenging dual cognitive tasks. To distinguish the influence of dual cognitive tasks on anterior-posterior (AP) and mediolateral (ML) jerk (direction of sway), velocity, and distance in young adults with normal balance systems. Nineteen subjects took part in this inquiry (2 males and 17 females), with a mean age of 23.9+\- 2.3 years. The participants were instrumented using a lumbar accelerometer and a dynamometer designed to capture sway. All subjects completed eight balance tests comprising four single and four dual-cognitive tasks involving counting backward by three, starting at the number 100 (dual-task). Postural modifications were prominent in the AP direction, with a faster jerk, velocity, and considerable distance than in the ML direction. The introduction to challenging balance situations, including dual tasks, provoke AP direction adaptations to preserve balance through variations in AP parameters, indicating the engagement of the sensory reweighting system.
Highlights
Balance entails combining different systems to maintain postural control, such as visual, vestibular, and proprioceptive systems
Among the factors related to cognitive function and interplay, worth contemplating is the association with postural control
The corresponding figure 2 shows how the AP velocity was faster than the ML velocity, quick postural adaptations were evident in both directions across both single and dual tasks
Summary
Balance entails combining different systems to maintain postural control, such as visual, vestibular, and proprioceptive systems. All these networks communicate with one another to adapt to different environments and challenges. After injuries or normal aging processes, the balance systems decline, and the accuracy to maintain equilibrium is reduced; instability or falls are the following events [1, 2]. Deterioration in cognitive function is related to a gradual reduction of the gray matter located in the frontal and temporal lobes, starting at the age of 20 [3]. Among the factors related to cognitive function and interplay, worth contemplating is the association with postural control.
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