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Results for “Walking”

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At least 19 recordsLinked to original sources

PubMed1979

[Standing and walking with walking aids - an electromyokinesigraphic examination (author's transl)].

Study of the variations of the automatic electrical activity of the shoulder, trunk and lower extremities muscles with different types of walking aids (Cane, elbow-crutches, shoulder-crutches, tricycle). Electromyocinesigraphic recordings have been made in 10 normal men and women age 24 to 35. The variations of their posture and walking pattern according to the weightbearing with different types of aids have been studied and are discussed.

Canes↗

PubMed1979

[Psychophysiology of fire walking. II. Pain perception in pyrovasy (fire walking)].

Our paper is concerned with considerations of pain physiology in pyrovasy and with neuropharmacological effects of the Opiate antagonist Naloxone. These considerations explain the relationship of analgesia and hypersthesia with stress induced behavior and states of consciousness. Apart from psychophysiological aspects we can distinguish from a biochemical and neurophysiological point of view two mechanisms of pain perception in pyrovates: 1. Certain mechanical stimuli brought about by the individual running technique of the pyrovate cause convergence of noxis and non-noxic afferent impulses as well as central inhibition of the effect of noxic stimuli. 2. The long stressful period of preparations induces a temporary surplus of Endorphins elevating the pain threshold.

Adult↗

PubMed1979

[Walking with walking aids. III. Control and training of partial weightbearing by means of instrumented crutches (author's transl)].

Explore the source record for details and available documents.

Body Weight↗

PubMed1978

[Effect of walking speed on the quantitative determination of the distance of painless walking in claudicatio intermittens].

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Humans↗

PubMed2026

Effects of an actuated ankle exoskeleton on walking stability in healthy adults: a controlled laboratory study.

BACKGROUND: Ankle exoskeletons are widely used to reduce the metabolic cost of walking, yet their effects on walking stability during unperturbed gait remain insufficiently understood. Walking stability can be characterized using complementary measures that capture stride-to-stride variability, global temporal organization, and local dynamic stability. Understanding how walking with an actuated ankle exoskeleton system influences these different aspects of gait stability is essential for the safe design and control of wearable robotic devices. METHODS: Eighteen healthy adults walked on a treadmill at a constant speed (1.1 m/s) with and without an actuated bilateral ankle exoskeleton in a randomized crossover design. Spatiotemporal variability was quantified using coefficients of variation (CoV) of stride length, step width, and stance ratio. Global gait stability was assessed using detrended fluctuation analysis of stride time. Local dynamic stability was evaluated using maximum Lyapunov exponent calculated for the trunk, hip, upper leg, lower leg, and foot. Paired-samples two-sided t-tests were used to compare conditions. RESULTS: Walking with the ankle exoskeleton resulted in increased stride-to-stride spatiotemporal variability, reflected by higher CoV values for stride length (p < 0.001) and stance ratio (p = 0.005), while mean stride length and step width remained unchanged. Mean stance ratio was reduced in the exoskeleton condition (p < 0.001). Global gait stability did not differ between conditions, indicating preserved long-range temporal gait organization. Local dynamic stability increased at the lower leg (p < 0.001) and foot (p = 0.019) when walking with the exoskeleton. CONCLUSIONS: Walking with the actuated ankle exoskeleton alters gait control across multiple levels during steady walking. While stride-to-stride variability in stride length and stance ratio increased, global gait stability remained unchanged. Local dynamic stability was increased at the lower leg and foot, suggesting segment-specific effects of ankle-level assistance close to the assisted joint. However, these findings should be interpreted as the combined effect of wearing the exoskeleton and receiving active assistance, rather than the isolated effect of plantarflexion assistance. These results provide insight for the design and control of ankle exoskeletons with respect to stability-related effects during walking.

Humans↗

PubMed2026

Clinical efficacy and brain mechanism characteristics of guide chi and regulate spirit tuina therapy in the treatment of post-stroke walking dysfunction: A randomized controlled trial based on fNIRS.

BACKGROUND: This study aims to preliminarily evaluate the role of Guide Chi and Regulate Spirit(GCRS) Tuina in enhancing walking function in post-stroke patients with walking dysfunction; secondly, by using functional near-infrared spectroscopy (fNIRS), it investigates the effect of GCRS Tuina on the restoration of brain function in this patient population. METHODS: Participants in the control group received 4-week rehabilitation treatment, while those in the Combined Tuina Group (CTG) additionally received GCRS Tuina therapy for another 4 weeks on this basis. Functional Ambulation Category (FAC), Fugl - Meyer Assessment Scale for Lower Extremity Motor Function (FMA - LE), and Modified Barthel Index (MBI) were evaluated at the baseline and after 4 treatment weeks. A gait and motion analysis system was used to measure step length, stride, walking speed, and step frequency. FNIRS was used to measure the resting-state functional connectivity(FC) strength, as well as the β - value and HbO2 concentration mean during the walking task. RESULTS: A total of 60 participants completed the randomized, and 53 completed the trial and entered the statistical analysis. Compared with the Single Rehabilitation Group(SRG), the CTG group had higher FAC, FMA-LE, and MBI scores after 4 weeks. After the treatment course, the standardized step length, stride, walking speed, and step frequency of the CTG were higher than SRG. At the Region of Interest(ROI) level, the CTG exhibited 13 inter-ROI FC strengths that were higher than SRG, and the differences could survive the FDR correction (PFDR<0.05). Under the walking task, the CTG group had higher β values in 18 channels and higher Oxyhemoglobin(HbO2) concentrations in 19 channels than the SRG (PFDR <0.05). CONCLUSION: GCRS Tuina therapy can significantly improve patients' walking function, enhance lower limb motor ability and daily living ability. It can improve walking efficiency. Tuina can significantly increase the FC and enhance the activation levels and HbO2 concentrations. The stimulation of Tuina may help reconstruct the brain's motor control network, restore impaired motor function, promote the occurrence of neural plasticity, strengthen the neural circuits in the cognitive-motor-sensory cortex to improve walking function. TRIAL REGISTRATION: This study has been registered with the International Traditional Medicine Clinical Trial Registry (ITMCTR2024000654).

Humans↗

PubMed2025

Associations Between Walking Pace, APOE-ε4 Genotype, and Brain Health in Middle-Aged to Older Adults.

PURPOSE: This study aimed to investigate whether self-reported walking pace (a marker of physical function) and the presence of APOE-ε4 allele interact to modify brain health outcomes. METHODS: We used data from a prospective cohort study of middle-aged to older adults from the UK Biobank who self-reported walking pace (slow or steady-to-brisk) and who were initially free of dementia ( n = 415,110). Incident all-cause dementia was obtained from hospital and death registry records, and structural brain volumes (right and left hippocampus volumes, total gray matter volume, and volume of white matter hyperintensities) were measured from a subset of participants ( n = 33,113). Cox proportional hazard models and generalized linear models were used to assess associations between exposures and outcomes. RESULTS: Slow walking pace and the presence of APOE-ε4 allele were associated with increased dementia risk (HR = 1.79 [95% CI = 1.66-1.93], P < 0.001; HR = 3.06 [2.90-3.23], P < 0.001, respectively), and there was an interaction between these associations, indicating that the association of walking pace with dementia risk is modified by APOE-ε4 status (reference group: HR Steady-Brisk/APOE-ε4- = 1; HR Slow/APOE-ε4- = 2.03 [1.84-2.25], P < 0.001; HR Steady-Brisk/APOE-ε4+ = 3.21 [3.02-3.41], P < 0.001; HR Slow/APOE-ε4+ = 4.99 [4.48-5.58], P < 0.001). Slow self-reported walking pace was associated with worse brain volume outcomes, and these associations were not modified by APOE-ε4 genotype. CONCLUSIONS: These results suggest walking pace and APOE-ε4 status independently influence brain volume outcomes, but both factors independently and jointly contribute to increased dementia risk. Individuals with both risk factors (slow walking pace and APOE-ε4 allele) show the strongest associations with dementia risk.

Self Report↗

PubMed1979

Energy cost of walking of below-knee amputees having no vascular disease.

Fifteen unilateral below-knee amputees with no preexisting vascular disease were studied during free velocity walking to determine energy expenditure with and without a prosthesis. Expired air was collected, and heart rate and respiratory rate data were telemetered. Mean velocity for the unrestrained walking was 71 m/min, both during ambulation with a prosthesis and during crutch walking (without a prosthesis). Heart rates were within normal ranges during prosthetic walking (106 beats/min), but rose significantly to 135 beats/min for crutch walking. Energy cost also rose significantly from a mean of 15.5 ml O2/kg/min with a prosthesis of 22.3 ml O2/kg/min with crutches. The oxygen uptake measured in units of ml O2/kg/m increased when the subjects walked faster or slower than their free cadence. We concluded that the use of the prosthesis should be encouraged and that the amputee should be allowed to choose his natural velocity of walking.

Adult↗

PubMed1979

Factors affecting walking in a profoundly retarded population.

A total of 127 children with profound mental retardation were reviewed to determine the age at which walking began. 53 per cent of the children walked at a median age of 30 months. Further sub-classification revealed that both the number of ambulatory children and their age at walking varied with degree of neurological handicap, children with additional neurological problems having a higher median age for beginning to walk. The minimal cognitive level required for walking remains unknown, but is probably less than generally accepted. In this profoundly retarded population, the existence of neurological factors was associated with both increased age at walking and with decreased ability to walk.

Brain Damage, Chronic↗

PubMed2026

Effect of walking training on blood glucose control and metabolic health in patients with type 2 diabetes: A systematic review and meta-analysis.

OBJECTIVE: To systematically evaluate the improvement effect of walking training on blood glucose control and metabolic health indicators in type 2 diabetes patients, and to explore the effect of different intervention program characteristics on the efficacy through subgroup analysis. METHOD: The system searched PubMed, Web of Science, EMBASE, Cochrane Library, and EBSCO databases, with a search period from the establishment of the database to March 15, 2026. Include a randomized controlled trial with the main intervention measures of walking behavior, with an intervention period of ≥8 weeks. Two researchers independently conducted literature screening, data extraction, and bias risk assessment. Meta-analysis was conducted using RevMan 5.4 software, with mean difference (MD) and its 95% confidence interval (CI) as effect measures for continuous variables. Select fixed effects model or random effects model for combined analysis based on heterogeneity size, and conduct subgroup analysis according to intervention program characteristics. RESULTS: Totally 5 randomized controlled trials were included, including 483 patients with type 2 diabetes (241 cases in the intervention group and 242 cases in the control group). Participants had a mean age of 54.2 ± 6.5 years, BMI of 29.1 ± 3.2 kg/m2, and 48.5% were male. The meta-analysis results showed that walking training significantly reduced glycated hemoglobin levels, with a combined effect of -0.48% (95% CI: -0.60 to -0.36, P < 0.00001), There is moderate heterogeneity among the studies (I2 = 67%). Subgroup analysis showed that the "walking + other interventions" subgroup (combined effect size -0.58%, 95% CI: -0.96 to -0.20) and the "clear step target" subgroup (combined effect size -0.52%, 95% CI: -0.65 to -0.39) had larger effect sizes and lower heterogeneity within the subgroups. The bias risk assessment shows that the overall quality of the included research methodology is good. CONCLUSION: Walking training can significantly improve the blood glucose control in patients with type 2 diabetes. Combined with diet or behavioral intervention, setting clear goals for the number of steps may achieve better results. Walking training can be used as an effective auxiliary treatment for the management of type 2 diabetes in clinical promotion. Due to limitations in the number and quality of studies included, the above conclusions still require more high-quality research to validate.

Humans↗

PubMed1978

Walk-out patients in the hospital emergency department.

Four hundred twenty-six patients walked out of The Johns Hopkins Hospital Adult Emergency Department before being treated between April 1976 and March 1977. Of these, 179 were matched for sex, race, age, shift and presenting complaint with controls to identify the distinguishing characteristics of walk-out patients. Walk-out patients have recent onset of symptoms, report a great deal of pain and discomfort at the time of initial visit, and wait a relatively short period of time before walking out. They are, however, likely to report little continuing pain or discomfort one to two weeks after followup, although they believe that they still need care. Walk-out patients do not seem to be exposed to objectively worse treatment in the emergency departemnt but seem to have less subjective tolerance for waiting.

Adolescent↗

PubMed1975

A physiological analysis of walking in the American lobster (Homarus americanus).

The normal, unrestrained, forward walking of the lobster was studied with a closed-circuit television system and a video-tape recorder. A frame-by-frame analysis was undertaken and measurements made of unilateral stepping sequences, contralateral and ipsilateral phase relations between pairs of legs, the movements at the leg joints primarily involved in stepping and their differences in each of the four pereiopods. The order of stepping was expressed in terms of the probability of any leg following any other leg and it was found that while there is a preferred order, there is considerable variation from the dominant pattern. The commonest deviations from the dominant gait are those involving the simplest types of re-ordering of the sequence. Pairs of contralateral legs show a strong tendency to alternate but all phase relations can occur. Similarly, while the ipsilateral legs show preferred phase relations, all possible relations do occur. The four pereiopods from anterior to posterior were found to have respectively, a pulling action, a combined pulling and rowing action, a rowing action and a combined pushing and rowing action. The same parameters of stepping were recorded from animals walking on a transparent, driven treadmill and, as no significant differences were found in comparisons with results from freely moving animals, subsequent results were obtained from animals walking on the treadmill where more detailed study and manipulation could readily be made. The stepping action of the third pereiopod during forwards walking involves major movements about two joints whereas the other pereiopods move about three joints. Detailed study of the intra-leg activity was therefore confined to the third pereiopod where the simpler action considerably simplified the problems involved in collecting and analysing data. Measurements were made of the angles swept out by the joints of the third pereiopod during movement. Electromyograms were recorded from the six muscles primarily responsible for these movements and from movement transducers placed at the joints. The duration of the movements and of the bursts of acitivity in the muscles and the interrelation between different muscle bursts were measured and a computer-aided analysis made to determine the characteristic features of the inter-burst relations during stepping. While there is considerable variability from step to step, the overall activity is relatively phase-constant over a wide range of stepping frequencies. When some of the key parameters of normal walking had been characterized, changes designed to alter the sensory input to the system were imposed.

Animals↗

PubMed1978

Caloric cost of walking and running.

Twenty-four young adult male subjects were used to study the relationship between total caloric costs (exercise and recovery costs) incurred and speed of movement over a distance of 1 mile. Caloric costs were determined at walking speeds of 3, 4, and 5 mph and at running speeds of 5, 7, and 9 mph. Energy costs were assessed every 20 sec during the activity and during the recovery until the caloric cost returned to pre-established resting levels. The fitness level of the subjects was considered as a moderating variable. 3regression equations to predict caloric cost from body weight, speed of movement, and VO2 max were also developed. Conclusions for the given speeds were: (1) running is more costly than walking, (2) the cost of walking a mile increases with speed of movement, and (3) for running speeds, total caloric cost and VO2 max are inversely related. The independent variables for the regression equation for walking included body weight and speed squared times body weight (R2 = .86). The independent variables for the running equation were identical to the ones used in the walking equation with the addition of speed times VO2 max (R2 = .62).

Analysis of Variance↗

PubMedDate not supplied

Problems with a walking donor transfusion program.

A walking donor transfusion program is outlined in detail. A total of 205 transfusions from 72 walking donors were given to 57 newborns in a Newborn Intensive Care Unit over a nine-month period. The average recipient weighed 1,762 g and the average transfusion was 15 ml of blood. Because a suitable walking donor was not always available when a transfusion was needed, 19 units of regular adult blood were also used to support the program. No immediate or delayed transfusion reactions were noted, but one fatal incident of serum hepatitis transmission occurred. Our experience suggests that a walking donor program carries an inherent significant risk of transmission of hepatitis and alternative methods with strict blood bank control are needed to assure maximum safety in neonatal transfusion.

Adult↗

PubMed1978

Sensory dysfunction in children who toe walk.

In order to formulate a hypothesis regarding the etiology of toe walking, the sensory processing abilities of 17 mentally retarded children who toe walk were examined. A galvanic skin response was used to compare reactions of the mentally retarded children and a group of normal children to a variety of sensory stimuli. Galvanic skin response testing did not reveal significant differences between the two groups in processing sensory input. Scores of the mentally retarded children from a postrotary nystagmus test were compared to values for normal children of the same age, and the results indicated that vestibular dysfunction was present in all of the subjects. We hypothesize that children may toe walk to increase somatosensory input to the lateral vestibular nucleus (Deiter's) and the lateral vestibulospinal tract to facilitate support tone in the lower extremities during walking.

Acoustic Stimulation↗

PubMed1978

Energy expenditure during walking in patients with scoliosis. The effect of the Milwaukee brace.

Oxygen uptake during treadmill walking was measured in 8 scoliotic patients with idiopathic curves ranging from 25 to 60 degrees. The patients were fitted with a Milwaukee brace and the test was repeated within 2 or 3 days to study the effect of the brace on energy expenditure, mechanical work, and ventilatory function. The total oxygen uptake was not systematically affected by wearing the brace. When the weight of the brace was included, the oxygen uptake/kg body weight decreased in most of the patients at low walking speed in spite of an increased lift work. The positive influence on energy expenditure was interpreted as a stabilizing effect of the brace on the spine. This effect was not consistent at moderate and high speeds of locomotion, where both a decrease and an increase in oxygen uptake/kg were observed. Heart rate increased significantly during walking at high speed with the brace, while a slight but significant reduction of the tidal volume was found during walking at low speed.

Adolescent↗

PubMed1975

Genetic studies on walking behavior in Drosophila melanogaster. I. Selection and hybridization analysis.

Rapid vs. slow types of walking behavior in Drosophila melanogaster were tested in response to light in a connected test-tube apparatus. The effect of selection for both types of behavior was clearly recognized after only a few generation. The heritability of the two traits of walking behavior was remarkably different; the former was estimated to be about 7%, the latter 26%. Walking behavior is possibly controlled by a major gene with the behavior manifesting slow response to light being dominant to that manifesting rapid walking behavior.

Animals↗

PubMed1979

Significance of free-dorsiflexion of the toes in walking.

Dissection reveals that the ball of the foot contains a connective tissue framework with transverse, vertical, and sagittal fibers, all connecting the skin with the proximal phalanges of the toes. Dorsiflexion of the toes tightens the framework and thereby restricts passive movements of the skin, enabling shear forces to be transferred to the skeleton. An electromechanical oscillator was constructed that applied oscillatory shear forces of constant amplitude (+/- 0.2 N) to the skin and at the same time measured the resulting motions. It was found that the toes should be dorsiflexed by 35--40 degrees to restrict skin mobility to 50 per cent and by 50 degrees to restrict it maximally. The results were compared to actual dorsiflexions of toes during walking. These dorsiflexions were measured on slow motion film and with still pictures with light tracks formed by light emitting diodes. Maximal dorsiflexion during push off was found to be 60 degrees for feet walking without shoes, 45--50 degrees for feet walking in soft shoes, and 25--30 degrees for feet walking in a stiff shoe of the minus-heel type. Dorsiflexion was further found significant for arch support and for the mechanics of the forefoot during push-off.

Biomechanical Phenomena↗