Effect by custom-made foot orthoses with added support under the first metatarso-phalangeal joint in hallux limitus patients

Gordillo-Fernández, Luis M.; Ortiz-Romero, Mercedes; Valero-Salas, José; Salcini-Macías, José Luis; Benhamú-Benhamú, Salomón; García-de-la-Peña, Raquel; Cervera-Marín, José Antonio

doi:10.1177/0309364615584659

Cited by 11 publications

(6 citation statements)

References 24 publications

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“…Some studies have confirmed that it is feasible to make an insole using 3D printing technology [3,4,16], and because each patient’s plantar pressure distribution and contact area are different, the forces will vary. Some studies have suggested that traditional pre-made insoles do not improve motor function and comfort [5,17]. Although there are many applications for 3D printed insoles, few research studies have focused on the flatfoot deformity.…”

Section: Introductionmentioning

confidence: 99%

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: Introductionmentioning

confidence: 99%

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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“…Inclusion criteria were as follows: aged between 20 and 70 years with HV, regardless of the severity of the deformity. Exclusion criteria included: patients having metabolic, neurological, rheumatological or vascular disease; previous locomotor diseases; previous surgery; supra- or infraductus hallux, and hallux limitus (passive extension of the 1st MTP joint less than 65 degrees) [ 25 ]. In relation to nail pathology, there were excluded patients with a previous history of direct nail trauma, and positive and no valid tests for dermatophytes.…”

Section: Methodsmentioning

confidence: 99%

Cross-sectional study of the prevalence of hyperextension of the first metatarsophalangeal joint and its relationship to onycholysis in women with hallux valgus

Giménez-López,

Barrios-Pitarque

2024

BMC Musculoskelet Disord

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Background Hallux Valgus (HV) deformity is associated with misalignment in the sagittal plane that affects the first toe. However, the repercussions of the first toe hyperextension in HV have been scarcely considered. The purpose of this study was to provide evidence of the association between first-toe hyperextension and the risk of first toenail onycholysis in HV. Methods A total of 248 HV from 129 females were included. The extension of 1st MTP joint was measured while the patient was in the neutral position of the hallux using a two-branch goniometer. The classification of the HV severity stage was determined by the Manchester visual scale, and the height of the first toe in the standing position was measured using a digital meter. An interview and clinical examination were performed to collect information on the presence of onycholysis of the first toe. Results Of the 248 HV studied, 100 (40.3%) had onycholysis. A neutral extension > 30 degrees was noted in 110 (44.3%) HV. The incidence of onycholysis was higher in HV type C than in type B (p = 0.044). The probability of suffering onycholysis in the right foot was 2.3 times greater when the neutral position was higher than 30 degrees (OR = 2.3; p = 0.004). However, this was not observed in the left foot (p = 0.171). Onycholysis was more frequent in HV with more than 2 cm height of the first toe (p < 0.001). For both feet, the probability of suffering onycholysis was greater for each unit increase in hallux height (right foot OR = 9.0402, p = 0.005; left foot OR = 7.6633, p = 0.010). Conclusions The incidence of onycholysis appears to be significantly associated with HV showing more than 30º extension, and more than 2 cm height of the first toe. Height and hyperextension of the first toe together with first toenail pathology should be mandatory in the evaluation of HV.

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“…In addition, these patients frequently present a first-ray dorsiflexion as the amplitude of movement is higher in the pronation position. This circumstance has a negative impact on the first metatarsophalangeal joint function because the range of extension of the Hallux is reduced, which may produce a Hallux Limitus [3].…”

Section: Introductionmentioning

confidence: 99%

Pilot Study: Effect of Morton’s Extension on the Subtalar Joint Forces in Subjects with Excessive Foot Pronation

Palomo-Toucedo

González-Elena

Balestra-Romero³

et al. 2023

Sensors

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This study focuses on the assessment of the mechanical effect produced by Morton’s extension as an orthopedic intervention in patients with bilateral foot pronation posture, through a variation in hindfoot and forefoot prone-supinator forces during the stance phase of gait. A quasi-experimental and transversal research was designed comparing three conditions: barefoot (A); wearing footwear with a 3 mm EVA flat insole (B); and wearing a 3 mm EVA flat insole with a 3 mm thick Morton’s extension (C), with respect to the force or time relational to the maximum time of supination or pronation of the subtalar joint (STJ) using a Bertec force plate. Morton’s extension did not show significant differences in the moment during the gait phase in which the maximum pronation force of the STJ is produced, nor in the magnitude of the force, although it decreased. The maximum force of supination increased significantly and was advanced in time. The use of Morton’s extension seems to decrease the maximum force of pronation and increase supination of the subtalar joint. As such, it could be used to improve the biomechanical effects of foot orthoses to control excessive pronation.

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Effect by custom-made foot orthoses with added support under the first metatarso-phalangeal joint in hallux limitus patients

Abstract: Limitation of hallux movement in the joints propulsive phase of gait negatively affects the biomechanics of the lower extremity, causing changes in the rest of the joins. The use of foot orthoses designed in this study restores range of motion of the first metatarso-phalangeal joint.

Cited by 11 publications

References 24 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

Cross-sectional study of the prevalence of hyperextension of the first metatarsophalangeal joint and its relationship to onycholysis in women with hallux valgus

Pilot Study: Effect of Morton’s Extension on the Subtalar Joint Forces in Subjects with Excessive Foot Pronation

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