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Gait Posture. 2015 Jan;41(1):7-12. doi: 10.1016/j.gaitpost.2014.09.006. Epub 2014 Sep 22.

How fear of falling can increase fall-risk in older adults: applying psychological theory to practical observations.

Author information

1
Centre for Sports Medicine and Human Performance, Brunel University, UB83PH, UK. Electronic address: will.young@brunel.ac.uk.
2
Centre for Sports Medicine and Human Performance, Brunel University, UB83PH, UK.

Abstract

It is widely reported that fear of falling (FOF) has a profound and largely detrimental effect on balance performance in older adults. However, the mechanisms by which FOF influence postural stability are poorly understood. In the current article, we use psychological theory to explain FOF-related changes to postural control. First, we review literature describing associations between FOF and the 'stiffening' strategies observed during control of posture, including observations of eye and head movements. Second, we present a framework illustrating the interactions between increased age, FOF, and altered attentional processes, which in turn influence balance performance and fall-risk. Psychological theory predicts that anxiety can cause attentional bias for threatening and task-irrelevant stimuli and compromise the efficiency of working memory resources. We argue that while the adoption of stiffening strategies is likely to be beneficial in avoiding a loss of balance during simple postural tasks, it will ultimately compromise performance in dynamic and highly demanding functional tasks. The adoption of stiffening strategies leads to inadequate acquisition of the sensory information necessary to plan and execute dynamic and interactive movements. We conclude with some suggestions for future research.

KEYWORDS:

Anxiety; Attentional control theory; Fear of falling; Older adults; Stiffening

PMID:
25278464
DOI:
10.1016/j.gaitpost.2014.09.006
[Indexed for MEDLINE]
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