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Sensorial organisation favouring higher visual contribution is a risk factor of falls in an occupational setting.

Abstract：

:The contribution of intrinsic balance control factors to fall mechanisms has received little investigation in studies on occupational accidents. The aim of this study was to assess whether postural regulation in falling workers might have specificities in terms of sensorimotor strategies and neuromuscular responses to balance perturbations. Nine multi-fall-victims (MF), 43 single-fall-victims (SF) and 52 controls (C) were compared on performance measurements of static and dynamic postural control. MF and SF had the worst postural performance both in the static and slow dynamic tests, particularly in eyes closed conditions, suggesting a high dependency on visual cues and a lower use of proprioception. Moreover, the sensorial analysis showed that MF and SF relied less on vestibular input in the development of balance strategy and had more difficulties in maintaining a correct upright stance when proprioceptive input was altered. Finally, MF showed longer latency responses to unexpected external disturbance. Overall, postural control quality increased in the order MF, SF and C. MF and SF adopted particular sensorimotor organisation, placing them at an increased risk of falling in specific sensory environments. Strategies incorporating visual information involve using the cognitive processes causing delayed and less accurate fall avoidance responses, in contrast to adaptative strategies based on proprioceptive and vestibular information.

journal_name

Neurosci Res

journal_title

Neuroscience research

authors

Vouriot A,Gauchard GC,Chau N,Benamghar L,Lepori ML,Mur JM,Perrin PP

doi

10.1016/j.neures.2003.11.001

subject

Has Abstract

pub_date

2004-03-01 00:00:00

pages

239-47

issue

3

eissn

0168-0102

issn

1872-8111

pii

S0168010203003158

journal_volume

48

pub_type

杂志文章

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