Age has no effect on ankle proprioception when movement history is controlled

Djajadikarta, Zoë J; Gandevia, Simon C.; Taylor, Janet L.

doi:10.1152/japplphysiol.00741.2019

Cited by 17 publications

(12 citation statements)

References 52 publications

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“…The more function-like features of the AMEDA test may underlie its sensitivity to age-related changes. Yang et al (2019) and Djajadikarta et al (2020) used the AMEDA and TTDPM to assess proprioceptive change across the life span, results showed that only the AMEDA scores showed an ankle proprioceptive decline associated with aging.…”

Section: Introductionmentioning

confidence: 99%

Impaired ankle inversion proprioception during walking is associated with fear of falling in older adults

Shao

Wang

Luan

et al. 2022

Front. Aging Neurosci.

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BackgroundAnkle proprioception plays a critical role in lower limb movement control. However, the relationship between ankle proprioception and fear of falling (FOF) in older people is still unclear.Objective(1) This study aims to develop a new device for measuring ankle inversion proprioceptive discrimination sensitivity during walking, i.e., the Ankle Inversion Discrimination Apparatus–Walking (AIDAW), and assess the test–retest reliability of the AIDAW in both young and older adults; (2) to evaluate the discriminant validity of the measure by comparing ankle proprioception during walking between the two groups; and (3) to explore convergent validity by determining to what extent the AIDAW proprioceptive scores correlate with Fall Efficacy Scale-International (FES-I) scores.Materials and methodsThe AIDAW was purpose-built to test ankle inversion proprioceptive discrimination sensitivity during walking. The area under the receiver operating curve (AUC) was calculated as the proprioceptive discrimination score. In total, 54 adults volunteered. Test–retest reliability was evaluated in 12 young and 12 older adults, and another 15 young and 15 older adults completed the comparison study. FOF was assessed by using the FES-I.ResultsThe test–retest reliability intraclass correlation coefficient ICC (3,1) value for the whole group was 0.76 (95% CI: 0.52–0.89). The ICC values of the young and older groups were 0.81 (95% CI: 0.46–0.94) and 0.71 (95% CI: 0.26–0.91), respectively. The Minimal Detectable Change with 90% confidence (MDC90) values for the young and older groups were 0.03 and 0.11, respectively. There was a significant difference between the AIDAW proprioceptive sensitivity scores for the young and older groups (0.78 ± 0.04 vs. 0.72 ± 0.08, F = 5.06, p = 0.033). Spearman’s correlation analysis showed that the FES-I scores were significantly and negatively correlated with the AIDAW scores (rho = −0.61, p = 0.015), with higher FOF associated with worse ankle proprioception.ConclusionThe AIDAW is a reliable and valid device for measuring ankle proprioception during walking in both young and older adults. Ankle inversion proprioceptive discrimination sensitivity during walking was found to be impaired in the elderly compared to young adults. This impairment was found to be strongly associated with FOF, suggesting that assessment and intervention for ankle proprioception in this population are needed to reduce the risk of falls.

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Section: Introductionmentioning

confidence: 99%

Impaired ankle inversion proprioception during walking is associated with fear of falling in older adults

Shao

Wang

Luan

et al. 2022

Front. Aging Neurosci.

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“…When turning the head, the arm and the steer are located outside of the field of view. Given the age-related decrease in proprioceptive acuity [16,[28][29][30],but see [31][32][33], older adults rely much more on vision than on proprioception to control movements such as bimanual upper limb movements [34], reaching or grasping [35,36] or walking [37]. The preponderance of visual inputs to maintain a stable steer control would explain why older adults exhibit more steer variability when the gaze is away.…”

Section: Discussionmentioning

confidence: 99%

Turning the head while biking makes older people lose cycling direction and balance

Afschrift

Matthijs

Ryck

et al. 2022

Preprint

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Background: Bike safety in older subjects is a major concern in multiple countries given the strong increase in the number of cyclists that are admitted to the hospital due to single-sided bicycle accidents in older populations. The increase in single-sided accident rate in older subjects suggests that older adults have more difficulty controlling balance while bicycling in traffic, which has been related to various age-related changes in the sensorimotor system. Yet, the impact of these age-related sensorimotor deficits on the ability of older people to remain stable on their bike during traffic situations such as turning their upper body to check on potential road users, remains unknown. Methods: We instructed a group of 40 young (22.86, SD:1.53 years) and 41 older participants (62.73 SD:1.57 years) to bike in a straight line while performing a shoulder check movement in order to identify the color of an object presented behind them. We recorded the task-errors (lost balance, errors in identifying the color, cycling outside the lane) and computed the steering angle and rotation of the frame, pelvis and torso from IMU recordings. Results: We observed that older adults made task-errors (one third of the older participants failed at the task by making errors such as cone-identification errors, loss of balance and cycling outside the lane). In the successful trials, we observed an increase in steering angle and rotation of the pelvis with respect to the frame in the older subjects compared to the young subjects. Significance: Older cyclists lose balance while turning their head, which might contribute to the increased number of single sided bike accidents in older subjects. The use of simple devices, such as using a mirror, should be encouraged in older subjects to replace the shoulder check maneuver.

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“…154 Interestingly, a recent report shows that acuity of proprioception at the ankle does not diminish in healthy ageing, as tested by psychophysical methods under controlled conditions, taking into account the history of the leg muscle contractions and relaxations. 155 158 As a side note, animal studies have established that ageing results in the loss of fast-twitch motor units, but the reinnervation process in humans is not simple (see [159][160][161] ). There is hope to soon elucidate the relevant molecular pathways.…”

Section: Foot Sensitivity In the Elderlymentioning

confidence: 99%

Cutaneous and muscular afferents from the foot and sensory fusion processing: Physiology and pathology in neuropathies

Felicetti

Thoumie

et al. 2021

J Peripheral Nervous Sys

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The foot-sole cutaneous receptors (section 2), their function in stance control (sway minimisation, exploratory role) (2.1), and the modulation of their effects by gait pattern and intended behaviour (2.2) are reviewed. Experimental manipulations (anaesthesia, temperature) (2.3 and 2.4) have shown that information from foot sole has widespread influence on balance. Foot-sole stimulation (2.5) appears to be a promising approach for rehabilitation. Proprioceptive information (3) has a pre-eminent role in balance and gait. Reflex responses to balance perturbations are produced by both leg and foot muscle stretch (3.1) and show complex interactions with skin input at both spinal and supra-spinal levels (3.2), where sensory feedback is modulated by posture, locomotion and vision. Other muscles, notably of neck and trunk, contribute to kinaesthesia and sense of orientation in space (3.3). The effects of age-related decline of afferent input are variable under different foot-contact and visual conditions (3.4). Muscle force diminishes with age and sarcopenia, affecting intrinsic foot muscles relaying relevant feedback (3.5). In neuropathy (4), reduction in cutaneous sensation accompanies the diminished density of viable receptors (4.1). Loss of footsole input goes along with large-fibre dysfunction in intrinsic foot muscles. Diabetic patients have an elevated risk of falling, and vision and vestibular compensation strategies may be inadequate (4.2). From Charcot-Marie-Tooth 1A disease (4.3) we have become aware of the role of spindle group II fibres and of the anatomical feet conditions in balance control. Lastly (5) we touch on the effects of nerve stimulation onto cortical and spinal excitability, which may participate in plasticity processes, and on exercise interventions to reduce the impact of neuropathy.

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Age has no effect on ankle proprioception when movement history is controlled

Cited by 17 publications

References 52 publications

Impaired ankle inversion proprioception during walking is associated with fear of falling in older adults

Impaired ankle inversion proprioception during walking is associated with fear of falling in older adults

Turning the head while biking makes older people lose cycling direction and balance

Cutaneous and muscular afferents from the foot and sensory fusion processing: Physiology and pathology in neuropathies

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