Characteristics of Standing Postural Control in Women under Additional Load

Wojciechowska–Maszkowska, Bożena; Borzucka, Dorota

doi:10.3390/ijerph17020490

Cited by 4 publications

(1 citation statement)

References 25 publications

(38 reference statements)

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“…Load is known to affect perceptual and motor system performance by altering postural control and proprioception. For instance, extra body weight can reduce postural-stability control and the sensory pathways from the foot sole [ 20 , 21 ]. However, weight-bearing can improve proprioceptive performance.…”

Section: Introductionmentioning

confidence: 99%

Effect of Different Landing Heights and Loads on Ankle Inversion Proprioception during Landing in Individuals with and without Chronic Ankle Instability

Kang

Zhang

et al. 2022

Bioengineering

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Proprioception is essential for neuromuscular control in relation to sport injury and performance. The effect of landing heights and loads on ankle inversion proprioceptive performance in individuals with or without chronic ankle instability (CAI) may be important but are still unclear. Forty-three participants (21 CAI and 22 non-CAI) volunteered for this study. The Ankle Inversion Discrimination Apparatus for Landing (AIDAL), with one foot landing on a horizontal surface and the test foot landing on an angled surface (10°, 12°, 14°, 16°), was utilized to assess ankle proprioception during landing. All participants performed the task from a landing height of 10 cm and 20 cm with 100% and 110% body weight loading. The four testing conditions were randomized. A repeated measures ANOVA was used for data analysis. The result showed that individuals with CAI performed significantly worse across the four testing conditions (p = 0.018). In addition, an increased landing height (p = 0.010), not loading (p > 0.05), significantly impaired ankle inversion discrimination sensitivity. In conclusion, compared to non-CAI, individuals with CAI showed significantly worse ankle inversion proprioceptive performance during landing. An increased landing height, not loading, resulted in decreased ankle proprioceptive sensitivity. These findings suggest that landing from a higher platform may increase the uncertainty of judging ankle positions in space, which may increase the risk of ankle injury.

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Section: Introductionmentioning

confidence: 99%

Effect of Different Landing Heights and Loads on Ankle Inversion Proprioception during Landing in Individuals with and without Chronic Ankle Instability

Kang

Zhang

et al. 2022

Bioengineering

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Effects of load carriage on measures of postural sway in healthy, young adults: A systematic review and meta-analysis

Martin

Kearney²,

Nestrowitz³

et al. 2023

Applied Ergonomics

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Pupillometry as a biomarker of postural control: Deep‐learning models reveal side‐specific pupillary responses to increased intensity of balance tasks

Rosker,

Leskovec,

Tomazin

et al. 2024

Psychophysiology

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Pupillometry has been used in the studies of postural control to assess cognitive load during dual tasks, but its response to increased balance task intensity has not been investigated. Furthermore, it is unknown whether side‐specific changes in pupil diameter occur with more demanding balance tasks providing additional insights into postural control. The two aims of this study were to analyze differences in steady‐state pupil diameter between balance tasks with increased intensity and to determine whether there are side‐specific changes. Forty‐eight healthy subjects performed parallel and left and right one‐legged stances on a force plate with and without foam with right and left pupil diameters measured with a mobile infrared eye‐tracker. Differences between balance tasks in parameters (average pupil diameter of each eye, average of both pupil diameters and the difference between the left and right pupil diameter) were analyzed using a two‐way repeated measures analysis of variance, and deep learning neural network models were used to investigate how pupillometry predicted each balance task. The pupil diameter of the left eye, the average pupil diameter of both eyes and the difference in pupil diameters increased statistically significantly from simpler to more demanding balance tasks, with this being more pronounced for the left eye. The deep learning neural network models revealed side‐specific changes in pupil diameter with more demanding balance tasks. This study confirms pupillary responses to increased intensity of balance task and indicates side‐specific pupil responses that could be related to task‐specific involvement of higher levels of postural control.

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Characteristics of Standing Postural Control in Women under Additional Load

Cited by 4 publications

References 25 publications

Effect of Different Landing Heights and Loads on Ankle Inversion Proprioception during Landing in Individuals with and without Chronic Ankle Instability

Effect of Different Landing Heights and Loads on Ankle Inversion Proprioception during Landing in Individuals with and without Chronic Ankle Instability

Effects of load carriage on measures of postural sway in healthy, young adults: A systematic review and meta-analysis

Pupillometry as a biomarker of postural control: Deep‐learning models reveal side‐specific pupillary responses to increased intensity of balance tasks

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