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To see how people think about their own feet, and evaluate whether there are correlations among self-awareness of the participants and clinical examination findings.
Adult twins and their families who participated in the Healthy Twin study from May 2008 to April 2010 were recruited. Participants were asked whether they thought their feet were normal, flat, or cavus. The lateral talometatarsal angles were measured on foot X-rays to determine the foot arch height. Using the podoscopic footprints taken with the podobaroscope, the Staheli arch index was also measured. Kappa statistics were used to calculate degree of agreement among the three measurement methods.
Self-awareness and radiographic findings were significantly different (Pearson chi-square test, p=0.000) and only slightly agreed (kappa measure of agreement=0.136, p=0.000). Self-awareness and podoscopy results revealed a significant difference (Pearson chi-square test, p=0.000), with only slight agreement (kappa measure of agreement=0.072, p=0.000).
There is significant disagreement between patients' perception of their feet and actual test results. Many people may have an incorrect assumption about their own foot conditions that may be reflected in improper management. Dissemination of accurate information about foot disorders by foot clinicians would be helpful.
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To clarify the relationship of the initial radiologic and a biomechanical parameter at first clinical visit, and define the effectiveness of modified insole, following insole fitting in children with flexible flatfoot.
Children aged less than 13 years with flexible flatfoot were enrolled. The total number of subjects was 66 (33 boys, 33 girls). The subjects were divided into 5 subgroups, based on age: 1–2, 3–4, 5–6, 7–9, and 10–12 years. The mean time period between the initial & final examination for their resting calcaneal stance position angle (RCSPA) was 24 months. Radiography quantified the deformity by measuring angles, including the talometatarsal angle, the metatarsal angle, and the calcaneal pitch angle.
From the angles measured on radiographs, only the talometatarsal angle showed a statistically significant correlation to the initial RCSPA (r=-0.578 for right side, r=-0.524 for left side; p<0.01). The mean RCSPA improved in all subgroups of subjects following insole fitting. Moreover, in children younger than 7 years, the improvement in RCSPA from the insole fitting was greater compared to children aged 7 years and older.
The insole has additionally beneficial effects in all populations younger than 13 years. However, there might exist a hidden effect of normal structural pedal alignment during growth accompanied with bony maturation and developmental process. To date, it is controversial whether the treatment of flexible flatfoot is necessary in the vast majority of cases, or simple observation and advice to parents would suffice.
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To evaluate the effect of custom-molded foot orthoses on foot pain and balance in children with symptomatic flexible flat foot 1 month and 3 months after fitting foot orthosis.
A total of 24 children over 6 years old with flexible flat feet and foot pain for at least 6 months were recruited for this study. Their resting calcaneal stance position and calcaneal pitch angle were measured. Individual custom-molded rigid foot orthoses were prescribed using inverted orthotic technique to control foot overpronation. Pain questionnaire was used to obtain pain sites, degree, and frequency. Balancing ability was determined using computerized posturography. These evaluations were performed prior to custom-molded foot orthoses, 1 month, and 3 months after fitting foot orthoses.
Of 24 children with symptomatic flexible flat feet recruited for this study, 20 completed the study. Significant (p<0.001) improvements in pain degree and frequency were noted after 1 and 3 months of custom-molded foot orthoses. In addition, significant (p<0.05) improvement in balancing ability was found after 3 months of custom-molded foot orthoses.
Short-term use of custom-molded foot orthoses significantly improved foot pain and balancing ability in children with symptomatic flexible flat foot.
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To investigate the correlation between the Foot Posture Index (FPI) (including talar head palpation, curvature at the lateral malleoli, inversion/eversion of the calcaneus, talonavicular bulging, congruence of the medical longitudinal arch, and abduction/adduction of the forefoot on the rare foot), plantar pressure distribution, and pediatric flatfoot radiographic findings.
Nineteen children with flatfoot (age, 9.32±2.67 years) were included as the study group. Eight segments of plantar pressure were measured with the GaitView platform pressure pad and the FPI was measured in children. The four angles were measured on foot radiographs. We analyzed the correlation between the FPI, plantar pressure characteristics, and the radiographic angles in children with flatfoot.
The ratio of hallux segment pressure and the second through fifth toe segment pressure was correlated with the FPI (r=0.385, p=0.017). The FPI was correlated with the lateral talo-first metatarsal angle (r=0.422, p=0.008) and calcaneal pitch (r=-0.411, p=0.01).
Our results show a correlation between the FPI and plantar pressure. The FPI and pediatric flatfoot radiography are useful tools to evaluate pediatric flatfoot.
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To identify the effects of a custom-made rigid foot orthosis (RFO) in children over six years old with pes planus.
The medical records of 39 children (mean age, 10.3±4.09 years) diagnosed with pes planus, fitted with RFOs, and had who more than two consecutive radiological studies were reviewed. The resting calcaneal stance position (RCSP), anteroposterior talocalcaneal angle (APTCA), lateral talocalcaneal angle (LTTCA), the lateral talometatarsal angle (LTTMA), and calcaneal pitch (CP) of both feet were measured to evaluate foot alignment. After diagnosis, children were fitted with a pair of RFOs and recommended to walk with heel strike and reciprocal arm swing to normalize the gait pattern. A follow-up clinical evaluation with radiological measurements was performed after 12-18 months and after 24 months of RFO application. Post-hoc analysis was used to test for significant differences between the radiological indicators and RCSP.
With RFOs, all radiological indicators changed in the corrective direction except LTTCA. RCSP and CP in the third measurement showed significant improvement in comparison with the second and baseline measurements. Additionally, APTCA and LTTMA revealed improvements at the third measurement versus the baseline measurements.
This study revealed that radiological indicators improved significantly after 24 months of RFO application. A prospective long-term controlled study with radiographical evaluation is necessary to confirm the therapeutic effects of RFOs and to determine the optimal duration of wear in children with pes planus.
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Objective: The purpose of this study was to determine prevalence of flatfoot and to investigate relationship between flatfoot and the practice of wearing footwear.
Method: Four hundred-one subjects were interviewed and evaluated with foot printing for flatfoot and measured with foot and shoe tracing for foot and shoe size.
Results: The prevalence of flatfoot in the subject was 18.7%, and flatfoot was significantly associated with weight, body mass index, and obesity. Only parental parameter significantly associated with flatfoot. There was no significant relation between flatfoot and the other parameters such as footwear type before entrance into a primary school, present footwear type, duration of wearing footwear each day, and age when footwear first worn.
Conclusion: The flatfoot was related with obesity, body mass index, weight, and parent parameter.
Objective: This study was aimed to demonstrate definite diagnostic radiologic criteria between normal and flatfoot.
Method: Sixty healthy subjects and fifty two flatfoot cases were evaluated by radiologic measurements. We evaluated criteria for longitudinal arch curve by measuring of calcaneal pitch, talocalcaneal angle, talometatarsal angle, metatarsal angle and navicular height I and II.
Results: Over 10 years old, there was significant correlation between normal group and flatfoot in calcaneal pitch, talocacaneal angle, difference angle, metatarsal angle, navicular height I and II. But below 10 years old, there was difference in only talometatarsal angle and metatarsal angle. Therefore talometatarsal angle and metartarsal angle are valuable in diagnosis of flatfoot in all age group.
Conclusion: In diagnosis of flatfoot, variable radiologic measurement are clinically significant.
Objective: The purpose of this study was to evaluate the difference for each variable on plain radiologic study of the foot between weighted and non-weighted routine plain anterior-posterior and lateral views in flatfoot children diagnosed by Harris mat footprint.
Method: Both feet of thirty-four children over two-year old, who had been diagnosed as flatfooted by modified Rose' classification using Harris mat footprint were included. We studied plain roentgenogram images, including anterior-posterior and lateral views, in both standing (weighted) and sitting (non weighted) position of the feet of the patients. We measured the following variables; arch height (AH), calcaneal pitch (CP), talocalcaneal angles from lateral view (TCALA) and anterior-posterior view (TCAAP), talo-first metatarsal angles from the lateral (TFML) and anterior-posterior view (TFMA).
Results: Each variable revealed no significant difference between boys and girls (p＞0.05); neither was there any significant difference noted in each parameter between the right and left feet (p＞0.05). All the variables of plain foot roentgenogram on weighted state were significantly different from the data of non-weighted state, except TCAAP (p＜0.05). CP was the only parameter which showed significant difference according to severity of flatfoot by modified Rose'classification.
Conclusion: Because most of the flatfoot in childhood is hypermobile type, it is necessary to take plain radiologic studies of the feet both in weighted and non weighted state and to compare both data of each variable. In addition, it is prefer to use plain radiologic study of foot both in weighted and non weighted state with footprint as the screening method of pediatric flatfoot lesions.
Flatfoot is a common foot disorder. Some modifications by orthotic shoes for the flatfoot have been prescribed, however their effectivenesses are not fully proven yet. We have tried to validate the effectivenesses of conventional orthotic shoes for the flatfoot patients. We assessed the static and dynamic pressure, dynamic pressure-time integral, and relative impulse with and without wearing orthotic shoes. Thirteen subjects with the flatfoot were included in this study. The results showed the positive effects of orthotic shoes for the subjects. Especially the dynamic pressure-time integral values revealed the significantly reduced values at the medial side of midfoot, which meant the functional improvement of flatfoot status. We have concluded that the use of conventional orthotic shoes for the flat foot patients would be effective for properly selected patients, if there is no other associated abnormality.
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