Comparison of plantar pressure distribution in CAD–CAM and prefabricated foot orthoses in patients with flexible flatfeet

Khodaei, Banafsheh; Saeedi, Hassan; Jalali, Maryam; Farzadi, Maede; Norouzi, Ehsan

doi:10.1016/j.foot.2017.07.002

Cited by 25 publications

(24 citation statements)

References 36 publications

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“…The aim of this study was to compare the effects of customized insoles and prefabricated insoles on the biomechanical parameters of the plantar foot in patients with symptomatic flatfoot. The purpose of insole is to increase the contact area and support the arch which can help to distribute load in the mid-foot position [24].…”

Section: Discussionmentioning

confidence: 99%

“…According to previous studies, the heel area is subject to the greatest pressure on the foot [38,39]. Redmond et al found that custom insoles resulted in less pressure in the heel area, possibly related to the shape and height of the custom heel cup; although it is unclear what effect the device has on heel pressure lower peak pressure under the heel is considered to be potentially beneficial [24].…”

Section: Discussionmentioning

confidence: 99%

“…The FPI score is an integer between −12 and +12. A foot with an index higher than +6 is called a foot varus and such patients were eligible to participate in this study [24]. Participants were also required to have no history of lower limb injuries or surgeries within the previous 10 months, because lower extremity surgery and injury can affect gait [25–27].…”

Section: Methodsmentioning

confidence: 99%

“…A stopwatch was used in each test to control walking speed. If the trial was not within 5% of the first walking time, the trial was repeated to minimize the effect of walking speed on plantar pressure [24]. The mean walking speed of all trials was 3.12 (±1.95) km/hour.…”

Section: Methodsmentioning

confidence: 99%

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Comparative Study of the Effects of Customized 3D printed insole and Prefabricated Insole on Plantar Pressure and Comfort in Patients with Symptomatic Flatfoot

Wang

Ren

et al. 2019

Med Sci Monit

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Background There are many shortcomings in traditional prefabricated rehabilitation insoles for symptomatic flatfoot patients. This study investigated the effects of customized 3-dimensional (3D) printed insoles on pressure and comfort of the plantar foot in symptomatic flatfoot patients. Material/Methods Eighty patients with bilateral flatfoot participated in this study. At week 0, patients were randomly assigned into 1 of 2 groups. In the control group, the patients wore standardize shoes with prefabricated insoles; and in the experimental group the patients wore standardize shoes and customized insoles. The Footscan ® system recorded peak pressure, peak force, and peak contact area in 10 areas of the sole at weeks 0 and at week 8. Patients used visual analogue scale scores at week 0 and at week 8 to assess overall comfort of insoles. Results At week 0, compared with the control group, the peak pressure in the metatarsal was significantly lower in the experimental group ( P <0.05) while the peak pressure in the mid-foot was significantly higher than the control group ( P <0.05). At week 8, in the experimental group, the peak pressures in the mid-foot were significantly higher than the control group ( P <0.05). The comfort scores (measured by pain scale) reported by the experimental group were significantly lower than those reported by the control group ( P <0.05). Conclusions Customized 3D printed insoles reduced the pressure on the metatarsals by distributed it over the mid-foot area, thus reduced the damage from symptomatic flatfoot. Customized 3D printed insoles were more effective than prefabricated insoles and offered better comfort for patients with symptomatic flatfoot.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

See 2 more Smart Citations

Comparative Study of the Effects of Customized 3D printed insole and Prefabricated Insole on Plantar Pressure and Comfort in Patients with Symptomatic Flatfoot

Wang

Ren

et al. 2019

Med Sci Monit

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“…The purpose of the AFO is to support the arch and increase the contact area. In addition to compensating for the drop of the arch, the AFO can also reduce the recoil force when the heel strikes, improving the pressure distribution of the plantar region, and helping to reconstruct external rotation to obtain proper thrust [32]. It has a positive effect on improving comfort and assisting rehabilitation in patients with plantar fasciitis.…”

Section: Discussionmentioning

confidence: 99%

Effect of 3D Printing Individualized Ankle-Foot Orthosis on Plantar Biomechanics and Pain in Patients with Plantar Fasciitis: A Randomized Controlled Trial

Wang

et al. 2019

Med Sci Monit

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Background Traditional ankle-foot orthoses (AFOs) are not effective in treating plantar fasciitis, while customized 3-dimensional (3D) printed ankle-foot orthoses are effective in treating many ankle-foot diseases. This study investigated the effects of customized 3D printed AFOs on biomechanics and comfort of the plantar foot in plantar fasciitis. Material/Methods Sixty patients with bilateral plantar fasciitis aged 31–60 years participated in this study. At week 0, patients were randomly assigned into 2 groups: the control group consisting of those wearing separate shoes with prefabricated AFOs; and the experimental group consisting of those wearing a separate shoe and customized 3D-printed AFO. The Footscan ® system recorded maximum pressure, maximum strength, and contact area of patients’ hallux, toes 2–5, first to fifth metatarsal, midfoot, lateral heel, and midfoot heel at weeks 0 and 8. Patients used visual analogue scale scores at weeks 0 and 8 to assess overall comfort of foot orthosis, to determine the credibility and comfort of both orthopedic insole conditions. Results At week 0, in the experimental group, peak pressure in the hallux and first metatarsal area was significantly higher than the control group ( P <0.05), while mid-heel and lateral heel peak pressures were significantly lower than the control group ( P <0.05). After 8 weeks, all groups reported more comfort compared with the same group in week 0 ( P <0.05). The comfort scores reported by the experimental group were significantly lower than those of the control group ( P <0.05). Conclusions This study supports the efficiency of customized 3D printing AFO for reducing damage associated with plantar lesions and improving comfort in patients with plantar fasciitis compared with prefabricated AFO. Customized AFO is useful in the treatment of plantar fasciitis compared with prefabricated AFOs.

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3D-Printed Orthosis: A Review on Design Process and Material Selection for Fused Deposition Modeling Process

Kumar¹,

Sarangi

2021

Lecture Notes in Mechanical Engineering

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Comparison of plantar pressure distribution in CAD–CAM and prefabricated foot orthoses in patients with flexible flatfeet

Cited by 25 publications

References 36 publications

Comparative Study of the Effects of Customized 3D printed insole and Prefabricated Insole on Plantar Pressure and Comfort in Patients with Symptomatic Flatfoot

Comparative Study of the Effects of Customized 3D printed insole and Prefabricated Insole on Plantar Pressure and Comfort in Patients with Symptomatic Flatfoot

Effect of 3D Printing Individualized Ankle-Foot Orthosis on Plantar Biomechanics and Pain in Patients with Plantar Fasciitis: A Randomized Controlled Trial

3D-Printed Orthosis: A Review on Design Process and Material Selection for Fused Deposition Modeling Process

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