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Author: Admin | 2025-04-28
Based on height, providing in relative terms the participant's comfortable LOS on initial movements. The Biodex DLOS offers a directional control measure on a changing base of support, giving information on functional balance capabilities but no actual values for determining LOS. The relationship between the NeuroCom endpoint excursion and the Biodex directional control is more difficult to explain. One possibility for this result comes from the use of the 50% LOS target placement in the Biodex DLOS test. A person's COG is more stable and easier to control when it is central over the base of support because of the time and distance between the COG and the boundary of the base of support; as the COG moves toward the boundary of that base, control and stability are challenged.25 The NeuroCom endpoint excursion variable quantifies the initial displacement of the participant's COG toward a target. Consistent with the suggestion by Hertel et al25 about the spatiotemporal nature of postural stability, an uninjured person is likely to make an initial movement toward a target that is at least 50% of the hypothesized total distance, which, when transferred to the DLOS test, equals the target placement. The more distant target placement on the NeuroCom LOS leaves more chance for inaccurate predictions of movement and directional control that are less accurate as the COG is moved further to the edge of the base of support. Owings et al21 and Pai et al14 supported this hypothesis of increasing error and movement predictions in their
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