Pressure Properties of Three Different Types of Prefabricated Insoles Related to Plantar Pressure in Asymptomatic Men

Cho, Yun Jae; Lee, Dong Hyun; Kang, Ho Won; Kim, Dae-Yoo; Lee, Dong‐Oh

doi:10.4055/cios20280

Cited by 3 publications

(1 citation statement)

References 28 publications

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“…Therefore, the results of our study may serve as a rationale for providing orthosis, such as medial arch supporting insoles, to help MLA individuals who need to wear a heavy backpack. Previous studies also support our hypothesis that arch-supporting insoles aid in preventing further collapse of the medial longitudinal arch, redistributing pressure, and inducing load transfer from the heel to the midfoot region [31,32].…”

Section: Discussionsupporting

confidence: 86%

The effect of backpack load on intersegmental motions of the foot and plantar pressure in individuals with mild flatfoot

Kyung

Bak

Lim

et al. 2022

Journal of Foot and Ankle Research

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Background The feet play an essential role in shock absorption, and foot posture is closely related to gait. The compensatory mechanism under heavy-load conditions in individuals with mild flatfoot is poorly understood. In the authors’ country, individuals with mild flatfoot are drafted as active-duty soldiers and participate in military rucking wearing heavy backpacks. This study investigated the effect of backpack load on gait and foot plantar pressure and possible differences in participants with mild flatfoot. The average weight of the backpack during military rucking (approximately 20 kg), was simulated in this study. Methods This study prospectively enrolled 30 healthy young males, divided into a control group (CON, n = 15) and a mild low-arched group (MLA, n = 15), based on the presence of flatfoot. Segmental foot kinematics were evaluated using a three-dimensional multi-segment foot model, and gait data of the temporal and spatial parameters were obtained. The dynamic plantar pressure was simultaneously measured using a pedobarography platform with gait trials. The protocol was repeated with all participants wearing 20 kg backpacks. Comparisons between the baseline and loaded states, as well as comparison between groups, were conducted. Results Although the cadence, gait speed, and stride length decreased in the loaded condition, step time and proportion of the stance phase increased in both groups. Although the MLA group showed more supinated and abducted positions of the forefoot and more pronated positions of the hindfoot than the CON group, the change in intersegmental foot and ankle motion in each group after backpack loading was minimal. However, the former showed a larger step width and a greater increase in contact area in the midfoot region, while the latter demonstrated a greater increase in peak pressure. Conclusions Individuals with mild flatfoot demonstrated significantly different gait curve patterns (waveforms) compared to the controls. In the loaded condition, the CON and MLA groups may have adopted different strategies to maintain balance during gait. We suggest that although individuals with asymptomatic mild flatfoot are drafted as active-duty soldiers, they should be thoroughly investigated under loaded conditions, and orthoses may be helpful.

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Section: Discussionsupporting

confidence: 86%

The effect of backpack load on intersegmental motions of the foot and plantar pressure in individuals with mild flatfoot

Kyung

Bak

Lim

et al. 2022

Journal of Foot and Ankle Research

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Comparison of In-Shoe Pedobarographic Variables between 2 Orthoses during Toe and Heel Gaits

Kyung,

Seo,

Yoon

et al. 2024

Clin Orthop Surg

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Background The choice of an appropriate type of orthosis depends on the patient’s specific condition and needs. Different types of orthoses can affect plantar pressure distribution during certain gait patterns. Toe and heel gaits are common patterns of gait assigned for optimal recovery in patients with foot or ankle injuries. This study aimed to evaluate differences in plantar pressure between postoperative shoes and walker boots during toe and heel gaits in healthy individuals. Methods A total of 30 healthy individuals with a mean age of 21.7 ± 1.2 years were included in this study. Two types of gaits, toe and heel, were performed while wearing each orthosis on the right side of the foot. A standardized running shoe was worn on the left side of the foot. Plantar pressure variables including contact area, peak pressure, and maximum force were collected using the Pedar-X in-shoe pressure measuring system. Results During toe gait, while both orthoses demonstrated similar offloading in the hindfoot areas, walker boots were superior in reducing the peak pressure (first toe, p = 0.003; second to fifth toes, p < 0.001) and contact area (first toe, p = 0.003; second to fifth toes, p = 0.003) in the forefoot areas. During heel gait, both orthoses demonstrated similar offloading in the toe areas; however, the walker boots were superior in reducing the peak pressure in the lateral hindfoot ( p < 0.001). Conclusions The results of our study can serve as a guideline for orthopedic physicians in prescribing an appropriate type of orthosis during specific types of gait for patients following foot and ankle injury and postoperative recovery.

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Pedobarographic evaluations in physical medicine and rehabilitation practice

Mesci

2023

Turk J Phys Med Rehab

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The feet are complex structures that transmit loads transferred by other parts of the body to the ground and are involved in many static and dynamic activities, such as standing and walking. The contact area and pressure changes between the feet and the ground surface can be measured using pedobarographic devices. With pedobarographic examinations, it is possible to obtain a wide range of information needed to support clinical evaluation and diagnostic tests in physical medicine and rehabilitation practice. Foot structure and function, postural stability, lower extremity biomechanics, and gait analysis are among the areas that can be further investigated using pedobarography.

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Pressure Properties of Three Different Types of Prefabricated Insoles Related to Plantar Pressure in Asymptomatic Men

Cited by 3 publications

References 28 publications

The effect of backpack load on intersegmental motions of the foot and plantar pressure in individuals with mild flatfoot

The effect of backpack load on intersegmental motions of the foot and plantar pressure in individuals with mild flatfoot

Comparison of In-Shoe Pedobarographic Variables between 2 Orthoses during Toe and Heel Gaits

Pedobarographic evaluations in physical medicine and rehabilitation practice

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