Influence of insole materials on friction and ground reaction force during gait

Pauk, Jolanta; Tolstoj-Sienkiewicz, J.; Ihnatouski, Mikhaił; Kuźmierowski, T.; Chojnowski, E.

doi:10.3103/s1068366615040133

Cited by 2 publications

(4 citation statements)

References 5 publications

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“…Commonly used natural materials are leather (Pauk et al 2015), cork and felted fabrics (Leber and Evanski 1986). Most of them possess many desirable characteristics for use in orthopaedic insoles, such as wide availability, lightweight, low cost, air and water permeability, and ability to be easily shaped.…”

Section: Nature-originated Materialsmentioning

confidence: 99%

“…A number of studies have examined different footwear orthosis materials by having participants walk barefoot across sheets of the materials, in an effort to simulate the in-shoe condition (Leber et al 1986;McPoil and Cornwall 1992;Pauk et al 2015;Sanfilippo, Stess, and Moss 1992). Leber et al (1986) placed the materials underneath a pressure mat while the others taped the materials to a force plate.…”

Section: Brodsky Et Al (2007) Researched Compression Characteristics Of the Materials In Closer To In-vivomentioning

confidence: 99%

“…The authors concluded that Viscolas® is only capable of reducing plantar pressures when the rate of loading is relatively slow and recommended its use for patients with conditions that cause increased plantar pressure in the forefoot. Pauk et al (2015) analyzed the change in ground reaction force and also values of friction coefficients for six different density EVA foams and leather materials. The authors conclude that coefficient of friction and vertical ground reaction fore is the lowest for orthotics made of combination of different EVA materials.…”

Section: Brodsky Et Al (2007) Researched Compression Characteristics Of the Materials In Closer To In-vivomentioning

confidence: 99%

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Novel Insole Material for Weight-Bearing Monitoring Medical Device to Be Used in Fractured Bone Clinic

Rubstova¹

2021

Preprint

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Partial Weight-Bearing (PWB) regime is a part of a recreation process for patients with lower limb fractures/strains/sprains. In order to avoid a frequent foot overloading and achieve better patient compliance with requirement of PWB, the application of Weight-Bearing Monitoring System (WBMS) is highly attractive. However, it is challenging to find an affordable material for protective insole cover that is also a good shock-absorber. In this regard, a new formulation for protective covering material that preserves and isolates the sensors of WBMS device is suggested in this thesis. Twenty one samples of renewably sourced Polyurethane Foam (PUF) composed of poly (trimethylene ether) glycol (PO3G) and unmodified castor oil (CO) were synthesized and evaluated according to predetermined criteria. Response surface methodology of Box – Behnken design was applied to study the effect of the following parameters (polyols ratio, isocyanate index (II), and blowing agent ratio) on the properties (hardness, density) of PUFs. Results showed that CO/PO3G/TDI PUFs with hardness Shore A 17-22 and density of 0.19-0.25 g/cm3 demonstrate the required characteristics and can potentially be used as a durable and functional insole material. Phase separation studies have found the presence of well-segregated structure in PUFs having polyols ratio CO:PO3G 1:3 and low II, which further explains their extraordinary elastic properties (400% elongation). Analysis of cushioning performance of PUF signified that 5 samples have Cushioning Energy (CE) higher than 70 N·mm and Cushioning Factor (CF) in the range of 4-8, hence are recommended for application in WBMS due to superior weight-bearing and pressure-distributing properties. Moreover, the developed formulation undergoes anaerobic soil bacterial degradation and can be categorized as “green” bio-based material.

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Section: Nature-originated Materialsmentioning

confidence: 99%

Section: Brodsky Et Al (2007) Researched Compression Characteristics Of the Materials In Closer To In-vivomentioning

confidence: 99%

Section: Brodsky Et Al (2007) Researched Compression Characteristics Of the Materials In Closer To In-vivomentioning

confidence: 99%

See 1 more Smart Citation

Novel Insole Material for Weight-Bearing Monitoring Medical Device to Be Used in Fractured Bone Clinic

Rubstova¹

2021

Preprint

View full text Add to dashboard Cite

show abstract

Section: Brodsky Et Al (2007) Researched Compression Characteristics ...mentioning

confidence: 99%

Novel Insole Material for Weight-Bearing Monitoring Medical Device to Be Used in Fractured Bone Clinic

Rubstova¹

2021

Preprint

View full text Add to dashboard Cite

show abstract

Influence of insole materials on friction and ground reaction force during gait

Cited by 2 publications

References 5 publications

Novel Insole Material for Weight-Bearing Monitoring Medical Device to Be Used in Fractured Bone Clinic

Novel Insole Material for Weight-Bearing Monitoring Medical Device to Be Used in Fractured Bone Clinic

Novel Insole Material for Weight-Bearing Monitoring Medical Device to Be Used in Fractured Bone Clinic

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