Plantar Pressure Variation during Jogging with Different Heel Height
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This paper presents the key testing and analysis results of an investigation on the effect of heel height on the plantar pressure over different foot areas in jogging. It is important in improving the understanding of jogging with high heels and damage/injury prevention. It can also potentially guide the development of suitable/adaptive exercise schemes in between daily activities with high heels. In this work, plantar pressure data were collected from 10 habituated healthy female subjects (aged 21–25 years) at their natural jogging speed with three different conditions: flat heeled shoes (0.8 cm), low heeled shoes (4.0 cm), and high heeled shoes (6.6 cm). Data analysis showed significantly differences in plantar pressure distribution associated with the heel heights with increased pressure in the first metatarsal region and decreased pressure in the lateral metatarsal and midfoot sections. However, there is no significant alteration of plantar pressure in the central area of the forefoot with jogging gait.Keywords:
Plantar pressure
Foot (prosody)
Foot pressure
First metatarsal
Barefoot
Cushioning
Biomechanics
Barefoot
Plantar pressure
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Foot problems due to diabetics, age or joint disease are treated by application of personalized foot insoles. Designing an insole requires the knowledge of the plantar foot shape. Several techniques are used to get or estimate the 3D foot shape. Among them, plantar pressure cartographies are used by podiatrists to estimate the design of the foot insoles. Unfortunately, due to the lack of conversion tool between pressure maps and foot shape, several iterations of design and measurements are needed. In the present study, a new method aiming to extract the 3D foot shape under pressure is presented. The main elements of the foot that induce the plantar pressure distribution are presented in a specific biomechanical model. We present and discuss extraction of the 3D pressured foot shape from the barefoot plantar pressure measurements.
Barefoot
Plantar pressure
Podiatrist
Foot (prosody)
Foot pressure
Biomechanics
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The foot plays an important role as it is the only connection that the human body has with the floor when walking, running, etc. The two main techniques commonly used to study the lower limb in biomechanics are gait analysis and plantar pressure measurements. However, they require different settings: One requires barefoot experimentation and the other requires the subject to be shod. The method proposed in this paper attempts to solve this problem by designing shoes that can mimic both conditions. This allows the analysis of both approaches simultaneously and therefore provides valuable inputs for the development of a well validated model of the foot.
Barefoot
Plantar pressure
Biomechanics
Foot (prosody)
Foot pressure
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Searchable abstracts of presentations at key conferences in endocrinology ISSN 1470-3947 (print) | ISSN 1479-6848 (online)
Plantar pressure
Foot (prosody)
First metatarsal
Metatarsal bones
Foot pressure
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Barefoot
Plantar pressure
Foot (prosody)
Foot pressure
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A major purpose of investigating the plantar pressure in patients with pain or those at risk for skin injury is to reduce the pressure below metatarsal heads, specially first and second metatarsal heads. The aim of this article is to evaluate the effects of the socks structures on the changes in plantar dynamic pressure. In this study, seven socks types with different structures for the sole area were produced. The Gaitview ® AFA-50 system, a force plate, was used to measure the plantar dynamic pressure of 10 participants. The barefoot plantar dynamic pressure distribution was compared with the plantar dynamic pressure distribution with socks by two independent samples test on various zones of the foot and on different genders using SPSS software. Mann–Whitney tests were used to determine specific significant differences. The obtained results showed that the main trend was to redistribute the plantar dynamic pressure from the higher plantar pressure zones (toe and first through forth metatarsal bone regions) were decreased and as a result the plantar pressure toward the relatively lower pressure zones (fifth metatarsal bone and midfoot regions). In comparison with the barefoot condition, the cross miss structure reduced the mean pressure in the critical region of the foot (first metatarsal) for male and female subjects ( p < 0.05) and also the mock rib structure reduced the mean pressure for female subjects ( p < 0.05). In general, the results suggested wearing the socks because the socks make the plantar pressure redistributed from high to low plantar pressure zones. The results of this research indicated that wearing socks with cross miss and mock rib structures will reduce the mean plantar pressure values in forefoot area in comparison with the barefoot condition.
Barefoot
Plantar pressure
SOCKS
Foot pressure
Metatarsal bones
Foot (prosody)
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Many studies have found that “anti-fatigue” mats reduce discomfort during prolonged standing but it is unclear why mats are successful. This has made the design and selection of effective mats difficult. An abundance of physiological evidence suggests that pressure on the foot may be a source of standing discomfort, but no research has examined pressure differences between flooring as a possible explanation for the effectiveness of mats. This experiment will measure the effect of flooring on pressures on the foot for different stance and footwear conditions. Pilot data suggest that standing barefoot, standing on a harder surface while barefoot, standing with body weight near the rear of the foot, and standing with more weight on one foot increases peak pressure. A single foot stance also results in a migration of body weight toward the rear of the foot. A larger sample size will establish whether flooring affects pressures in the shod condition, which will have an impact on future research into the relation between flooring characteristics and mechanisms for discomfort.
Barefoot
Plantar pressure
Foot (prosody)
Foot pressure
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Plantar pressure
Foot (prosody)
Valgus deformity
First metatarsal
Foot pressure
Gait cycle
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In this study, we evaluated the protective functions of cloth sport shoes, including cushioning and lateral stability. Twelve male students participated in the study (mean +/- s: age 12.7 +/- 0.4 years, mass 40.7 +/- 5.9kg, height 1.50 +/- 0.04m). Cloth sport shoes, running shoes, basketball shoes, crosstraining shoes, and barefoot conditions were investigated in random sequence. Human pendulum and cutting movement tests were used to assess cushioning performance and lateral stability, respectively. For cushioning, the running shoes (2.06 body weight, BW) performed the best, while the cross-training shoes (2.30 BW) and the basketball shoes (2.37 BW) both performed better than the cloth sport shoes (2.55 BW) and going barefoot (2.63 BW). For the lateral stability test, range of inversion--eversion was found to be from 3.6 to 4.9 degrees, which was far less than that for adult participants (> 20 degrees). No significant differences were found between conditions. All conditions showed prolonged durations from foot-strike to maximum inversion (66-95 ms), which was less vigorous than that for adult participants (< 40 ms) and was unlikely to evoke intrinsic stability failure. In conclusion, the cloth sport shoe showed inferior cushioning capability but the same lateral stability as the other sports shoes for children.
Cushioning
Biomechanics
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This paper makes an analysis and measurement on force distribution of plantar pressure for young females wearing different heel heights through F-scan plantar pressure measurement system.The result shows that: First,heel heights are the main causes that bring about the change in plantar pressure.Second,pressure time curve of each metatarsal shows a single-peak with a pair of flats while shows a double-peak with high heels.It suggests that high heels can damage female foot during fitness walking.
Plantar pressure
First metatarsal
Foot (prosody)
Foot pressure
Plantar flexion
Pressure measurement
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