ArticleThe journals of gerontology. Series A, Biological sciences and medical sciences2015
Walking energetics, fatigability, and fatigue in older adults: the study of energy and aging pilot.
Article in The journals of gerontology. Series A, Biological sciences and medical sciences, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
46 citing papers in PubMed, 72 citations in OpenAlex.
- Ratings of Perceived Exertion During Walking: Predicting Major Mobility Disability and Effect of Structured Physical Activity in Mobility-Limited Older Adults.The journals of gerontology. Series A, Biological sciences and medical sciences · 2021Trial
- Trial
- MicroRNA Regulatory Targets Related to VObioRxiv : the preprint server for biology · 2026Article
- A distal-to-proximal shift is not a requisite mechanism for greater metabolic cost of walking in older adults.Journal of biomechanics · 2026Article
- Differences in gait kinematics and spatiotemporal parameters among different Big Five personality types under emotional states: a three-dimensional motion capture study.Frontiers in psychology · 2026Article
- MicroRNA signatures of cardiorespiratory fitness (VO2peak) in older adults: Insights from the study of muscle, mobility, and aging.The journals of gerontology. Series A, Biological sciences and medical sciences · 2025Article
- Rest Activity Rhythms and Their Association with Cardiorespiratory Fitness and Walking Energetics in Older Adults: Study of Muscle, Mobility, and Aging.Medicine and science in sports and exercise · 2025Article
- Determination of factors affecting exercise capacity in community-dwelling elderly people.Journal of evaluation in clinical practice · 2025Article
- Using Wearable Devices to Examine the Associations of Sedentary Behavior with Perceived and Performance Fatigability Among Older Adults: The Study of Muscle, Mobility and Aging (SOMMA).Sensors (Basel, Switzerland) · 2025Article
- Relationship between physical function and quality of life based on treatment timing in patients with advanced lung cancer.Journal of physical therapy science · 2025Article
- Moderate and Vigorous Physical Activity Intensity Cut-Points for Hip-, Wrist-, Thigh-, and Lower Back Worn Accelerometer in Very Old Adults.Scandinavian journal of medicine & science in sports · 2025Observational
- Association between subjective walking speed and metabolic diseases in individuals with obesity: a cross-sectional analysis.Scientific reports · 2024Article
- Review of Exercise Interventions to Improve Clinical Outcomes in Nondialysis CKD.Kidney international reports · 2024Review
- Role of Walking Energetics and Perceived Fatigability Differs by Gait Speed: The Study of Muscle, Mobility and Aging (SOMMA).The journals of gerontology. Series A, Biological sciences and medical sciences · 2024Article
- Validation of the Pittsburgh Performance Fatigability Index in the Study of Muscle, Mobility and Aging.The journals of gerontology. Series A, Biological sciences and medical sciences · 2023Article
- Impact of balance on the energetic cost of walking and gait speed.Journal of the American Geriatrics Society · 2023Article
- Dual Roles of Cardiorespiratory Fitness and Fatigability in the Life-Space Mobility of Older Adults: The Study of Muscle, Mobility and Aging (SOMMA).The journals of gerontology. Series A, Biological sciences and medical sciences · 2023Article
- Efficacy and tolerability of an endogenous metabolic modulator (AXA1125) in fatigue-predominant long COVID: a single-centre, double-blind, randomised controlled phase 2a pilot study.EClinicalMedicine · 2023Article
- Measuring and Understanding the Health Impact of Greater Fatigability in Older Adults: A Call to Action and Opportunities.Fatigue : biomedicine, health & behavior · 2023Article
- Quasi-passive lower limbs exosuit: an in-depth assessment of fatigue, kinematic and muscular patterns while comparing assistive strategies on an expert subject's gait analysis.Frontiers in neurorobotics · 2023Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors at 3 institutions in 2 countries.
Funding
Abstract
backgroundSlow gait speed increases morbidity and mortality in older adults. We examined how preferred gait speed is associated with energetic requirements of walking, fatigability, and fatigue.
methodsOlder adults (n = 36, 70-89 years) were categorized as slow or fast walkers based on median 400-m gait speed. We measured VO2peak by graded treadmill exercise test and VO2 during 5-minute treadmill walking tests at standard (0.72 m/s) and preferred gait speeds. Fatigability was assessed with the Situational Fatigue Scale and the Borg rating of perceived exertion at the end of walking tests. Fatigue was assessed by questionnaire.
resultsPreferred gait speed over 400 m (range: 0.75-1.58 m/s) averaged 1.34 m/s for fast walkers versus 1.05 m/s for slow walkers (p < .001). VO2peak was 26% lower (18.5 vs 25.1ml/kg/min, p = .001) in slow walkers than fast walkers. To walk at 0.72 m/s, slow walkers used a larger percentage of VO2peak (59% vs 42%, p < .001). To walk at preferred gait speed, slow walkers used more energy per unit distance (0.211 vs 0.186ml/kg/m, p = .047). Slow walkers reported higher rating of perceived exertion during walking and greater overall fatigability on the Situational Fatigue Scale, but no differences in fatigue.
conclusionsSlow walking was associated with reduced aerobic capacity, greater energetic cost of walking, and greater fatigability. Interventions to improve aerobic capacity or decrease energetic cost of walking may prevent slowing of gait speed and promote mobility in older adults.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.