ArticleEuropean journal of applied physiology2021
Age differences in anticipatory and executory mechanisms of gait initiation following unexpected balance perturbations.
Article in European journal of applied physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Probing gait adaptations: The impact of aging on dynamic stability and reflex control mechanisms under varied weight-bearing conditions.European journal of applied physiology · 2025Article
- Dynamical complexity of postural control system in autism spectrum disorder: a feasibility study of linear and non-linear measures in posturographic analysis of upright posture.Journal of neuroengineering and rehabilitation · 2024Article
- Systematic review of candidate prognostic factors for falling in older adults identified from motion analysis of challenging walking tasks.European review of aging and physical activity : official journal of the European Group for Research into Elderly and Physical Activity · 2023Review
- Identifying the Effects of Age and Speed on Whole-Body Gait Symmetry by Using a Single Wearable Sensor.Sensors (Basel, Switzerland) · 2022Article
- Article
- Use of a Single Wearable Sensor to Evaluate the Effects of Gait and Pelvis Asymmetries on the Components of the Timed Up and Go Test, in Persons with Unilateral Lower Limb Amputation.Sensors (Basel, Switzerland) · 2021Article
- Impact of chronic obstructive pulmonary disease on passive viscoelastic components of the musculoarticular system.Scientific reports · 2021Article
- Age-Related Changes of the Anticipatory Postural Adjustments During Gait Initiation Preceded by Vibration of Lower Leg Muscles.Frontiers in human neuroscience · 2021Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeAn age-related decline in anticipatory postural mechanisms has been reported during gait initiation; however, it is unclear whether such decline may jeopardize whole-body stability following unexpected balance perturbations. This study aimed to compare young and older individuals' ability to generate postural responses and preserve stability in response to external waist perturbations delivered within gait initiation.
methodsTen young and ten older participants performed 10 gait initiation trials followed by 48 unperturbed and 12 perturbed trials in a random order. A stereophotogrammetric system and three force platforms were used to quantify mechanical parameters from the preparatory phase (e.g., timing and amplitude of postural adjustments) and from the stepping phase (e.g., step characteristics and dynamic stability). Activation patterns of lower leg muscles were determined by surface electromyography.
resultsOlder participants responded to perturbation with lower increase in both magnitude (p < 0.001; η
conclusionThe results suggest that young participants took more time than older to adjust the anticipatory biomechanical response to perturbation attempting to preserve balance during stepping. In contrast, older adults were unable to modify their anticipatory adjustments in response to perturbation and mainly relied on compensatory mechanisms attempting to preserve stability via a more cautious stepping strategy.
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