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Objectives: To evaluate the Structural Index Score (SIS) - a clinical foot deformity assessment index developed for RA, and to compare its results with foot function, disability and physical performance tests., Methods: In this cross-sectional study, 104 patients with foot pain were evaluated according to SIS score, subscales (Forefoot SIS and Rearfoot SIS) and items. Results were compared with the Foot Function Index (FFI), the Health Assessment Questionnaire Disability Index (using lower limbs items: LL-HAQ), and physical performance tests: Berg Balance Scale (BBS), the Timed Up and Go test (TUG) and the 5-Time Sit down-to-Stand up Test (SST5)., Results: There was a weak correlation of SIS score with FFI and LL-HAQ. Rearfoot SIS was correlated with FFI, LL-HAQ and worse performance in BBS, TUG and SST5. Regarding Rearfoot SIS items, the ankle ROM was correlated to all studied outcomes, the calcaneus varus/valgus was correlated with FFI (total, pain and disability subscales) and the planus/cavus deformity with FFI-pain, HAQ-DI and LL-HAQ. Forefoot SIS did not correlate with any outcome measures. In relation to Forefoot SIS items, hallux valgus was associated with foot function (FFI-total, pain and disability subscales), the MTPs joints subluxation was correlated with FFI-disability subscale, and the 5th MTP exostosis was associated with FFI-pain., Conclusion: SIS score was correlated to impaired foot function (FFI) and disability (LL-HAQ). Rearfoot SIS was correlated to worse performance on FFI, LL-HAQ, BBS, TUG and SST5. SIS score index can be a useful tool to evaluate the rheumatoid foot deformities, but a better graduation of foot deformities should add sensitivity to this method., (Copyright © 2021 Elsevier Ltd. All rights reserved.)

Background: This study aimed at estimating the extent to which a combination therapy of extracorporeal shockwave therapy (ESWT) with usual care (exercise and orthotic support) improve functional ability in the patient with plantar fasciitis when compared to usual care alone., Methods: Participants with plantar fasciitis were randomly allocated into two groups: ESWT (n=23), and control (n=21). All participants received home exercise program with orthotic support. In addition, ESWT group received 2000 shock waves with 0.02 mJ/mm 2 for three sessions. Functional outcomes were measured by function subscale of American orthopedic foot and ankle society (AOFAS-F) score and 12 minutes walking test including walking speed, cadence. The scores were recorded at baseline, third week and third month after the treatment. Analysis was performed using repeated measures ANOVA, and an intention to treat approach using multiple imputations., Results: Results showed that there was a significant improvement in AOFAS-F total score and walking speed over three months in both groups (p<0.001, p=0.04 respectively); improvements in AOFAS-F were particularly in activity limitation (p=0.001), walking distance (p=0.02) and walking surface (p=0.02). Groups were comparable with each other for both walking speed and AOFAS-F in any assessment time (p>0.05). However, groups performed differently in cadence where there was an increase in cadence in ESWT group whereas a decline in control at the third month (p=0.07)., Conclusion: The results revealed that ESWT did not have an additive benefit over usual care to improve foot function and walking performance in patient with plantar fasciitis over three months post-treatment., (Copyright © 2020 Elsevier Ltd. All rights reserved.)

Background: The lack of reliable parameters to evaluate dynamic foot function, emphasizes the need for a deeper insight in foot biomechanics. The aims were to investigate the reliability of a new parameter (dynamic navicular rise dNR), and its relationship with the dynamic navicular drop (dND)., Methods: Twenty healthy participants (mean age 30.2±8.1years) had to walk on even ground and downstairs. Data of ten trials per task on two measurement days were recorded. The dNR was defined as the difference in millimetres (mm) between the minimum navicular height (NH) during stance and the NH at toe off. To test intra- and interday reliability, Intraclass Correlation Coefficients (ICC 2.1 ) and repeatability were calculated. To obtain the absolute repeatability (RP) in mm, the equation RP=1.96×SD differences was used. Furthermore, the relationship between the dNR and the dND was examined by calculating Pearson (r) or Spearman (r s ) correlation coefficients., Results: Included participants showed a mean dNR of (12.2±3.7) mm for level walking and (14.8±3.4) mm for stair descent. The ICC 2.1 for the dNR were 0.98 (intraday), 0.91 (interday) for level walking and 0.97 (intraday), 0.94 (interday) for stair descent. The interday repeatability was 3.2mm (level walking), 2.7mm (stair descent) respectively. For level walking, r was 0.31 (p=0.049), and r s =0.88 (p<0.001) for stair descent., Conclusions: The dNR seems to be highly reliable (ICCs), however, repeatability is unacceptable. For level walking, the dNR might be an independent measure, but not for stair climbing., (Copyright © 2018 Elsevier Ltd. All rights reserved.)

Background: Lack of response to plantar heel pain (PHP) treatment may be related to unmanaged low back pain (LBP) and low back dysfunction, but a relationship between LBP and PHP has not been established. The purpose of this investigation was to compare the prevalence of LBP among individuals with and without PHP and to assess the association between low back disability and foot/ankle function., Methods: A cross-sectional study compared the prevalence and likelihood of LBP in individuals with (n=27) and without (n=27) PHP matched to age, sex, BMI, foot posture, and foot mobility. In individuals with PHP, correlations were examined between foot/ankle function using the foot and ankle ability measure (FAAM), low back disability using the Oswestry low back disability questionnaire (OSW), duration of PHP symptoms, body mass index (BMI), and age., Results: A greater percentage of individuals with PHP had LBP (74% versus 37% of controls, odds ratio=5.2, P=0.009) and higher levels of low back disability (17% higher OSW score than controls, P<0.001). In individuals with PHP, FAAM scores were correlated with OSW scores (ρ=-0.463, P=0.015), but not with duration of PHP symptoms, BMI, or age (P>0.150)., Conclusions: Individuals with PHP had a greater prevalence of LBP and higher low back disability that was correlated to reduced foot and ankle function. Treatment to address both local and proximal impairments, including impairments related to LBP, may be warranted to improve the management of PHP., (Copyright © 2017 Elsevier Ltd. All rights reserved.)

Plexiform neurofibromas are benign tumors of the peripheral nerve. Diagnosis may be challenging, if they present mimicking other peripheral nerve pathologies. We report the case of a patient who had severe foot pain, which progressively hampered her walking ability, erroneously attributed to recurrent Morton's neuroma. Diagnosis of plexiform neurofibroma of her right medial plantar nerve was made 15 years after the appearance of symptoms. Pain and function recovered after radical neurotomy of the medial plantar nerve. A correct diagnosis is an essential starting point in the treatment of neurofibromas and a misdiagnosis may lead to an inappropriate treatment., (Copyright © 2014 Elsevier Ltd. All rights reserved.)