Linking stability to demographics, strength and sensory system function in women over 40 to support pre-emptive preventive intervention

Choy, Nancy Low; Brauer, Sandra G.; Nitz, Jennifer C.

doi:10.1080/13697130801931821

Cited by 20 publications

(9 citation statements)

References 33 publications

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“…Many of these age-related deficits are linked to mobility problems, such as balance issues and falls, and accidents while operating motor vehicles (Choy, Brauer, & Nitz, 2008; Owsley et al, 1998); as such, a full understanding of how visuospatial functioning is affected by age is important for both preventing and alleviating negative outcomes. One visuospatial process that is integral to successfully navigating throughout the world is the recovery of depth from motion parallax.…”

Section: Introductionmentioning

confidence: 99%

Aging does not affect integration times for the perception of depth from motion parallax

Holmin

Nawrot

2017

Vision Research

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To successfully navigate throughout the world, observers must rapidly recover depth information. One depth cue that is especially important for a moving observer is motion parallax. To perceive unambiguous depth from motion parallax, the visual system must integrate information from two different proximal signals, retinal image motion and a pursuit eye movement. Previous research has shown that aging affects both of these necessary components for motion parallax depth perception, but no research has yet investigated how aging affects the mechanism for integrating motion and pursuit information to recover depth from motion parallax. The goal of the current experiment was to assess the integration time required by older adults to process depth information. In four psychophysical conditions, younger and older observers made motion and depth judgments about stationary or translating random-dot stimuli. Stimulus presentations in all four psychophysical conditions were followed by a high-contrast pattern mask, and minimum stimulus presentation durations (stimulus-to-mask onset asynchrony, or SOA) were measured. These SOAs reflect the minimum neural processing time required to make motion and motion parallax depth judgments. Pursuit latency was also measured. The results revealed that, after accounting for age-related delays in motion processing and pursuit onset, older and younger adults required similar temporal intervals to combine retinal image motion with an internal pursuit signal for the perception of depth. These results suggest that the mechanism for motion and pursuit integration is not affected by age.

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Section: Introductionmentioning

confidence: 99%

Aging does not affect integration times for the perception of depth from motion parallax

Holmin

Nawrot

2017

Vision Research

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“…For example, healthy women aged 40-80 years have reduced single-limb balance control during quiet standing [2,3], lower limb reaching [4], and stepping [3] tasks, compared to younger adults. Decreased lower limb muscle strength [5,6], reduced joint range of motion [6,7], altered sensorimotor function [8,9], and declining physical activity levels [6,7,10], may all contribute to balance deficits in midlife.…”

Section: Introductionmentioning

confidence: 99%

The effects of acute experimental hip muscle pain on dynamic single-limb balance performance in healthy middle-aged adults

et al. 2016

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“…Interventions utilizing traditional or holistic exercises, such as tai chi,9 Pilates,10 and yoga,11 have all been found to improve balance in older adults. A number of authors have also highlighted the importance of delivering preemptive exercise interventions to middle-aged and older adults before deteriorations in balance and mobility lead to adverse outcomes 12,13. Additionally, such interventions may reduce fear of falling and improve quality of life 14.…”

Section: Introductionmentioning

confidence: 99%

Twelve weeks of BodyBalance® training improved balance and functional task performance in middle-aged and older adults

Nicholson¹,

McKean²,

Burkett³

2014

CIA

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PurposeThe purpose of the study was to evaluate the effect of BodyBalance® training on balance, functional task performance, fear of falling, and health-related quality of life in adults aged over 55 years.Participants and methodsA total of 28 healthy, active adults aged 66±5 years completed the randomized controlled trial. Balance, functional task performance, fear of falling, and self-reported quality of life were assessed at baseline and after 12 weeks. Participants either undertook two sessions of BodyBalance per week for 12 weeks (n=15) or continued with their normal activities (n=13).ResultsSignificant group-by-time interactions were found for the timed up and go (P=0.038), 30-second chair stand (P=0.037), and mediolateral center-of-pressure range in narrow stance with eyes closed (P=0.017). There were no significant effects on fear of falling or self-reported quality of life.ConclusionTwelve weeks of BodyBalance training is effective at improving certain balance and functional based tasks in healthy older adults.

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Linking stability to demographics, strength and sensory system function in women over 40 to support pre-emptive preventive intervention

Abstract: These data link instability in women from the fifties to multiple demographic and sensorimotor factors associated with increased risk of falls, thus supporting use of balance tests in primary-care settings to assist referral for diagnostic assessment and pre-emptive interventions.

Cited by 20 publications

References 33 publications

Aging does not affect integration times for the perception of depth from motion parallax

Aging does not affect integration times for the perception of depth from motion parallax

The effects of acute experimental hip muscle pain on dynamic single-limb balance performance in healthy middle-aged adults

Twelve weeks of BodyBalance® training improved balance and functional task performance in middle-aged and older adults

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Linking stability to demographics, strength and sensory system function in women over 40 to support pre-emptive preventive intervention

Abstract: These data link instability in women from the fifties to multiple demographic and sensorimotor factors associated with increased risk of falls, thus supporting use of balance tests in primary-care settings to assist referral for diagnostic assessment and pre-emptive interventions.

Cited by 20 publications

References 33 publications

Aging does not affect integration times for the perception of depth from motion parallax

Aging does not affect integration times for the perception of depth from motion parallax

The effects of acute experimental hip muscle pain on dynamic single-limb balance performance in healthy middle-aged adults

Twelve weeks of BodyBalance&reg; training improved balance and functional task performance in&nbsp;middle-aged and older adults

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Twelve weeks of BodyBalance® training improved balance and functional task performance in middle-aged and older adults