Comparison between the plantar pressure effects of toe separators and insoles in patients with hallux valgus at a one-month follow-up

Dissaneewate, Tulaya; Rungsri, Tuanjit Na; Cheunchokasan, Phakatip; Leelasamran, Wipawan

doi:10.1016/j.fas.2021.02.005

Cited by 10 publications

(3 citation statements)

References 26 publications

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“…Insoles with medial arch support can be used as an effective intervention to correct excessively high pressure in the forefoot area. Another study observed that customized insoles significantly reduced the peak pressure and pressure-time integral of the middle and lateral forefoot regions after 1 month of use [36]. The plantar pressure under the forefoot (metatarsal) area, however, exhibited no significant differences between the FO and FI conditions in the current study.…”

Section: Discussioncontrasting

confidence: 65%

“…In the current study, the peak pressure and pressure-time integral of the rearfoot (MH and LH) were substantially reduced when the patients wore FOs. Similarly, a study discovered that wearing customized insoles resulted in a considerable reduction in the peak pressure of the rearfoot, both immediately and at 1 month follow-up, in patients with hallux valgus [36]. Arch support insoles can also considerably reduce the average pressure and peak pressure of the rearfoot in patients with flatfoot [31,32].…”

Section: Discussionmentioning

confidence: 96%

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Immediate Effect of Customized Foot Orthosis on Plantar Pressure and Contact Area in Patients with Symptomatic Hallux Valgus

et al. 2022

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Foot orthotics are recommended for the treatment of hallux valgus. The effects of customized foot orthoses (FOs) designed with both medial longitudinal and transverse arch supports are poorly understood, however. This study aimed to investigate the immediate effect of customized FOs on the plantar pressure and contact area in patients with symptomatic hallux valgus. We recruited 18 patients with a mean hallux valgus angle of 27.3 ± 11.1°. Plantar pressure while walking with FOs or flat insoles (FIs) was monitored with a wireless in-shoe plantar pressure-sensing system. Peak pressure (PP), peak force (PF), pressure-time integral (PTI), force-time integral (FTI), and contact area with FOs and FIs were compared. The PF, PTI, and FTI of the midfoot were significantly higher (p < 0.05), and the PP and PTI of the rearfoot were significantly lower (p < 0.05) with the FOs than the FIs. The FOs significantly increased the contact area of the midfoot and rearfoot (p < 0.05) and reduced the contact area of the forefoot (p < 0.05). These results suggest that customized FOs redistribute plantar pressure and the contact area of the midfoot and rearfoot, improving the functional support of the midfoot for patients with hallux valgus.

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Section: Discussioncontrasting

confidence: 65%

Section: Discussionmentioning

confidence: 96%

Immediate Effect of Customized Foot Orthosis on Plantar Pressure and Contact Area in Patients with Symptomatic Hallux Valgus

et al. 2022

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“…Several investigations have been carried out to determine whether injury and deformities in one portion of the foot might cause problems in other parts of the body, such as the ankle, knee, and hip. In these studies, the effect of flat foot [26][27][28], hallux [29][30][31], and foot arch [32][33][34] on other parts of the lower limb were investigated. The plantar fascia and joints are the significant elements of the locomotor organs.…”

Section: Introductionmentioning

confidence: 99%

An investigation into the hammer toe effects on the lower extremity mechanics and plantar fascia tension: A case for a vicious cycle and progressive damage.

Moayedi

Arshi

Salehi

et al. 2022

Preprint

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Predicting and being aware of the side effects of the damage in one limb on the performance of other limbs is very important in the prevention of progressive damages. Finite element (FE) and musculoskeletal modeling can be helpful in this way. Hence, the aim of this study is to investigate the side effects of the hammer toe deformity on the lower extremity, especially on the plantar fascia functions. To compare the joint reactions of the hammer toe and healthy foot (HF), two musculoskeletal models (MSM) of the healthy and the hammer toe foot (HTF) subject were developed based on gait analysis. A previously validated 3D finite element model was constructed using Magnetic Resonance Imaging (MRI) of the diabetic participant with the hammer toe deformity processed at five different events during the stance phase of gait. It was found that the hammer toe deformity makes dorsiflexion of the toes, and the windlass mechanism is less effective during walking. Specifically, the FE analysis results showed that plantar fascia (PF) in HTF compared to HF played a less dominant role in load bearing with both medial and lateral parts loaded. Also, the results indicated that the stored elastic energy in PF was less in HTF than the HF, which can indicate a metabolic cost during walking. Internal stress distribution shows that the majority of ground reaction forces are transmitted through the lateral metatarsals in hammer toe foot, and the probability of fifth metatarsal fracture and also progressive deformity like tailor's bunion was subsequently increased. The MSM results showed that the joint reaction forces and moments in hammer toe foot have deviated from normal function, with the metatarsophalangeal joint showing that the reactions in hammer toe are less than the healthy foot. This can indicate a viscous cycle of foot deformity, increased internal stresses, change in muscle forces and joint kinetics and plantar fascia tensile forces from normal, which can lead to increase the risk of ulceration in the diabetic foot.

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Hallux Valgus

Taniguchi,

Tanaka

2023

Orthopaedic Sports Medicine

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Comparison between the plantar pressure effects of toe separators and insoles in patients with hallux valgus at a one-month follow-up

Cited by 10 publications

References 26 publications

Immediate Effect of Customized Foot Orthosis on Plantar Pressure and Contact Area in Patients with Symptomatic Hallux Valgus

Immediate Effect of Customized Foot Orthosis on Plantar Pressure and Contact Area in Patients with Symptomatic Hallux Valgus

An investigation into the hammer toe effects on the lower extremity mechanics and plantar fascia tension: A case for a vicious cycle and progressive damage.

Hallux Valgus

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