3 edition of A determination of the mechanical characteristics of the human heel pad in vivo found in the catalog.
A determination of the mechanical characteristics of the human heel pad in vivo
Written in English
|Statement||by Gordon Arthur Valiant.|
|The Physical Object|
|Pagination||xvi, 210,  leaves|
|Number of Pages||210|
Heel-pad thickness andHPCIweresignificantly higher in theoverweight butotherwise normal subjects than in thoseofnormal weight (p. 8 properties of the heel pad in healthy human adults while walking at their preferred gait speed. 9 We hypothesized that near maximal deformation of the heel pad also occur during would 10 walking, as has been shown previously with running (8). 11 12 Methods 13 Paragraph Number A convenience sample of 5 sixteen healthy adults (6 male and 10 female.
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Abstract Tackling in rugby is now a major cause of injury. The use of rugby shoulder pads is intended to reduce injury from front-on tackles, although the pad's ability to reduce injury has not been examined. This paper strives to present a novel method, using Tekscan sensors, for measuring in vivo impact intensities during a front-on tackle to assess the effectiveness of rugby shoulder Cited by: There is a consensus that the pressure sensation of the sole contributes to the perceptibility of the standing position and stability of the standing posture via the cooling of the sole [4,5,12], vibration , and anesthesia .No effect of increased heel pressure information on the standing position was found at the QS or mostbackward- leaning positions.
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Get this from a library. A determination of the mechanical characteristics of the human heel pad in vivo. [Gordon Arthur Valiant]. The compressive properties of the heel pad during the heel strike when running (barefoot and shod, two subjects, ms −1) were studied by means of a high-speed two-dimensional cineradiographic registration ( frames s −1) of an actual running al ground reaction forces were measured with a force by: (2) to calculate the averaged energy absorbency, the human heel pad was found to dissipate ±% of the total energy during gait in the slow-to-moderate velocities.
Discussion. An integrative DRF/CPD method for analysis of the mechanical characteristics of the heel pad in vivo, during the stance phase of gait, is by: The mechanical characteristics of the human heel pad during foot strike in running: an in vivo cineradiographic study.
De Clercq D(1), Aerts P, Kunnen M. Author information: (1)Department of Kinesiology and Sport Pedagogics, University of Ghent (RUG), by: Abstract. Previous measurements of the mechanical properties of the heel pad, especially of the energy loss during a cycle of compressive loading and unloading, have given contrasting values according to whether the investigators used isolated single impacts (e.g.
pendulum tests; energy loss approximately 48 %) or continuous oscillations (energy loss approximately 30 %). The mechanical properties of the pad were determined for a series of experiments in which the pad was gradually freed from the foot in the way done by Bennett & Ker () and Aerts et al.
The results showed no observable differences in the mechanics of the pad by isolating it from the rest of the by: The shock-absorbing characteristics of the heel pad in vivo were examined in adults (N = 16) and 7-year-old children (N = 5) using a drop-impact tester (wt = 5 kg).
Heel pad thickness classically is increased in acromegaly and can also be noted in long‐term Dilantin therapy. A high‐resolution 10‐MHz dedicated superficial small parts real‐time scanner was used to evaluate heel pad thickness without the use of radiation and without the magnification inherent in the standard procedure, a lateral radiograph of the by: Heel fat pad cushioning efficiency is the result of its structure, shape and thickness.
However, while a number of studies have investigated heel fat pad (HFP) anatomy, structural behavior and material properties, no previous study has described its three‐dimensional morphology in assessment of the healthy, unloaded, three‐dimensional morphology of heel pad may contribute to Cited by: The aim of this study was to investigate the viscoelastic behaviour of the human heel pad by comparing the stress-relaxation curves obtained from a compression device used on an in vivo heel pad.
De Clercq, Dirk, Peter Aerts, RF KER, et al. “Mechanical Characteristics of the Human Heel Pad at Impact Loading as Duduced from Different Experimental Procedures.
Proceedings of the Canadian Society for Biomechanics. Vlllth Biennial Conference Canadian Society for Biomechanics. Calgary, Alberta, Canada, AugustPp. ” Print. Mechanical behaviour of the heel pad, as a shock attenuating interface during a foot strike, determines the loading on the musculoskeletal system during walking.
The mathematical models that describe the force deformation relationship of the heel pad structure can determine the mechanical behaviour of heel pad under load. Hence, the purpose of this study was to propose a method of Cited by: 6. Although deteriorated mechanical properties of the heel pads may play an important role in the pathogenesis of heel pain syndrome, this has received little notice.
In this study, a specially designed compression relaxation device with a push-pull scale and a MHz linear array transducer was used to determine thickness of the heel pad under Cited by: The mechanical characteristics of the human heel pad during foot strike in running: an in vivo cineradiography study.
Biomech.,27, – Cited by: MECHANICAL PROPERTIES OF THE HUMAN HEEL PAD: A COMPARISON BETWEEN POPULATIONS John H. Challis and Chloe Murdock Biomechanics Laboratory, The Pennsylvania State University, USA email: [email protected] INTRODUCTION The initial point of impact during many footfalls is the heel pad, its role is to help absorb and dissipate the impact forces .
The human heel pad is subject to repetitive loading and plays an important role in absorbing shocks which may cause injuries.
The heel pad has a composite biological structure consisting of the fat pad and the skin. The fat pad tissue is organised into a superficial micro-chamber layer and a.
Although near maximal deformation of the heel pad has been shown during running, in vivo measurement of the deformation and structural properties of the heel pad during walking remains largely unexplored. This study employed a fluoroscope, synchronized with a pressure platform, to obtain force–deformation data for the heel pad during by: biomechanical properties of the human calcaneal heel pad”, The Foot, vol.
13, pp. C.G. Fontanella et al, (In press, ) “Investigation on the load-displacement curves of a human healthy heel pad: in vivo compression data compared to numerical results”, Med Eng Physics.
Available. Mechanical Response of the Human Sub-Calcaneal Heel Pad under Lee Gabler¹, Jeff Crandall¹, Robert S. Salzar¹ Introduction • In the instance of a high rate axial load to the lower limb as a result of an under-vehicle blast, the soft tissue layer in the plantar region of the foot is the first structure engaged.
PhyS. Educ.?B ).Piinled in the UK Moving the human machine: understanding the mechanical characteristics of normal human walking Neil Messenger Analysing the mollon of the human body provides a means of demonslrating the practical impllca- tions of Cited by: 4.
the in vivo samples • (Aerts, Ker, De Clercq et al. ) – explained this paradox noting the presence of the whole lower limb in vivo Aerts P., Ker R.F., DeClercq D., Ilsley D.W., Alexander R. McN. () The Mechanical Properties Of The Human Heel Pad: A Paradox Explained.
Journal File Size: KB.The purpose of this study was to compare the heel pad mechanical properties of runners, who repetitively load the heel pad during training, with cyclists who do not load their heel pads during training.
Ten competitive long distance runners and 10 competitive cyclists volunteered for this study. The thickness of the unloaded heel pad was measured using realtime B-mode by: Heel fat pad cushioning efficiency is the result of its structure, shape and thickness.
However, while a number of studies have investigated heel fat pad (HFP) anatomy, structural behavior and material properties, no previous study has described its three-dimensional morphology in situ.