Dose–response effects of customised foot orthoses on lower limb muscle activity and plantar pressures in pronated foot type

Telfer, Scott; Abbott, Mandy; Steultjens, Martijn; Rafferty, Daniel; Woodburn, James

doi:10.1016/j.gaitpost.2013.01.012

Cited by 73 publications

(74 citation statements)

References 23 publications

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“…Telfer et al reported that changes in the structure of the arch of the sole affected balance ability and gait ability7 ) . In the present study, when dynamic balance was measured using YBT, both the SFE group and the ASI group showed significant improvement between before and after intervention within each group.…”

Section: Discussionmentioning

confidence: 99%

“…Foot wedges are clinically applied for correction of diverse foot diseases and for maintenance of balance6 ) , and customized insoles are used for correction of pronated feet7 ) . Insoles widen the contact surface of the sole to improve stability during weight bearing, reduce turning actions when the foot has been pronated or supinated, and can be applied to the medial longitudinal arch of the foot to increase the sensory inputs of the sole8 ) .…”

Section: Introductionmentioning

confidence: 99%

“…Insoles widen the contact surface of the sole to improve stability during weight bearing, reduce turning actions when the foot has been pronated or supinated, and can be applied to the medial longitudinal arch of the foot to increase the sensory inputs of the sole8 ) . Study results have been reported indicating that the conservative intervention methods of foot orthotics using support for the arch of the foot improve malformations of the foot, are effective for leg alignment and pain control, and improve gaits to become normal7 ) .…”

Section: Introductionmentioning

confidence: 99%

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The effects of short foot exercises and arch support insoles on improvement in the medial longitudinal arch and dynamic balance of flexible flatfoot patients

Kim

2016

J Phys Ther Sci

105

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[Purpose] The purpose of the present study is to apply short foot exercises and arch support insoles in order to improve the medial longitudinal arch of flatfoot and compare the results to identify the effects of the foregoing exercises on the dynamic balance of the feet and the lower limbs. [Subjects and Methods] Fourteen university students with flexible flatfoot were selected by conducting navicular drop tests and randomly assigned to a short foot exercise group of seven subjects and an arch support insoles group of seven subjects. The intervention in the experiment was implemented for 30 minutes per time, three times per week for five weeks in total. [Results] In inter-group comparison conducted through navicular drop tests and Y-balance tests, the short foot exercise group showed significant differences. Among intra-group comparisons, in navicular drop tests, the short foot exercise group showed significant decreases. In Y-balance tests, both the short foot exercise group and the arch support insoles group showed significant increases. [Conclusion] In the present study, it could be seen that to improve flatfoot, applying short foot exercises was more effective than applying arch support insoles in terms of medial longitudinal arch improvement and dynamic balance ability.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The effects of short foot exercises and arch support insoles on improvement in the medial longitudinal arch and dynamic balance of flexible flatfoot patients

Kim

2016

J Phys Ther Sci

105

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“…Increases in peak pressure in the arch [8][9] and reductions in pressure in the heel [8][9][10][11] have been well documented for total contact orthoses used in patients with diabetes. Similarly, both extrinsic [12][13] and intrinsic [14] heel wedges have been shown to increase pressure values in the medial heel. However, it is less clear how changes in load at the skin surface affect loads transferred to bone.…”

Section: Introductionmentioning

confidence: 94%

“…However, the orthoses used in previous studies did not incorporate a medial wedge. This design feature has been associated with an antipronation effect [12][13][14], and there are also two different designs (inside and outside the heel cup) with different proposed effects [17]. Thus, it is unclear how an antipronation orthosis will affect plantar soft tissue characteristics under either the calcaneus or medial arch.…”

Section: Introductionmentioning

confidence: 99%

Effect of antipronation foot orthosis geometry on compression of heel and arch soft tissues

Sweeney¹,

Nester²,

Preece

et al. 2015

J Rehabil Res Dev

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Abstract-This study aimed to understand how systematic changes in arch height and two designs of heel wedging affect soft tissues under the foot. Soft tissue thickness under the heel and navicular was measured using ultrasound. Heel pad thickness was measured while subjects were standing on a flat surface and also while they were standing on an orthosis with 4 and 8 degree extrinsic wedges and 4 and 8 mm intrinsic wedges (n = 27). Arch soft tissue thickness was measured when subjects were standing and when standing on an orthosis with 6 mm, standard, and +6 mm increments in arch height (n = 25). Extrinsic and intrinsic heel wedges significantly increased soft tissue thickness under the heel compared with no orthosis. The 4 and 8 degree extrinsic wedges increased tissue thickness by 28.3% and 27.6%, respectively, while the 4 and 8 mm intrinsic wedges increased thickness by 23.0% and 14.6%, respectively. Orthotic arch height significantly affected arch soft tissue thickness. Compared with the no orthosis condition, the 6 mm, standard, and +6 mm arch heights decreased arch tissue thickness by 9.1%, 10.2%, and 11.8%, respectively. This study demonstrates that change in orthotic geometry creates different plantar soft tissue responses that we expect to affect transmission of force to underlying foot bones.

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Effects of gait modifications on tissue‐level knee mechanics in individuals with medial tibiofemoral osteoarthritis: A proof‐of‐concept study towards personalized interventions

Esrafilian,

Halonen,

Dzialo

et al. 2023

Journal Orthopaedic Research

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Gait modification is a common nonsurgical approach to alter the mediolateral distribution of knee contact forces, intending to decelerate or postpone the progression of mechanically induced knee osteoarthritis (KOA). Nevertheless, the success rate of these approaches is controversial, with no studies conducted to assess alterations in tissue‐level knee mechanics governing cartilage degradation response in KOA patients undertaking gait modifications. Thus, here we investigated the effect of different conventional gait conditions and modifications on tissue‐level knee mechanics previously suggested as indicators of collagen network damage, cell death, and loss of proteoglycans in knee cartilage. Five participants with medial KOA were recruited and musculoskeletal finite element analyses were conducted to estimate subject‐specific tissue mechanics of knee cartilages during two gait conditions (i.e., barefoot and shod) and six gait modifications (i.e., 0°, 5°, and 10° lateral wedge insoles, toe‐in, toe‐out, and wide stance). Based on our results, the optimal gait modification varied across the participants. Overall, toe‐in, toe‐out, and wide stance showed the greatest reduction in tissue mechanics within medial tibial and femoral cartilages. Gait modifications could effectually alter maximum principal stress (~20 ± 7%) and shear strain (~9 ± 4%) within the medial tibial cartilage. Nevertheless, lateral wedge insoles did not reduce joint‐ and tissue‐level mechanics considerably. Significance: This proof‐of‐concept study emphasizes the importance of the personalized design of gait modifications to account for biomechanical risk factors associated with cartilage degradation.

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Dose–response effects of customised foot orthoses on lower limb muscle activity and plantar pressures in pronated foot type

Cited by 73 publications

References 23 publications

The effects of short foot exercises and arch support insoles on improvement in the medial longitudinal arch and dynamic balance of flexible flatfoot patients

The effects of short foot exercises and arch support insoles on improvement in the medial longitudinal arch and dynamic balance of flexible flatfoot patients

Effect of antipronation foot orthosis geometry on compression of heel and arch soft tissues

Effects of gait modifications on tissue‐level knee mechanics in individuals with medial tibiofemoral osteoarthritis: A proof‐of‐concept study towards personalized interventions

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