The medial longitudinal arch of the foot is a dynamic structure while walking. The mobility of this structure in people with flexible flatfoot is partially or completely absent. The aim of this study was to investigate the efficacy of an insole that was designed to retrieve the medial longitudinal arch mobility in people with flatfoot. The study was a case series using a single-subject design. This single-subject design study was based on three subjects with flexible flatfoot. This study was designed in two phases: the baseline phase and the intervention phase. Each phase included five measurement sessions that were done in 5 consecutive weeks. We used the celeration-line method to detect the significant differences between the phases. Significant differences were recorded in the walking velocity, step length, and medial longitudinal arch mobility parameters when using the hydrodynamic insole. The results of this study showed that using the hydrodynamic insole may have a positive effect on the foot kinematics and gait parameters in people with flexible flatfoot.
Based on the data of the 72 subjects presented in this study, the open-design collar adequately immobilized the cervical spine as a semirigid collar and was considered cosmetically acceptable, at least for subjects aged younger than 30 yrs.
Case Description: This is a report of a 2.5-month-old infant with bilateral lambdoid and sagittal synostosis who underwent minimally invasive suturectomy followed by cranial remolding orthosis (CRO). Objectives: To evaluate the result of minimally invasive suturectomy followed by CRO treatment in an infant with bilateral lambdoid and sagittal synostosis.Study Design: This is a case report. Treatment: We fabricated the orthosis based on a computer-aided design and with computer-aided manufacturing technology. Cranial remolding orthosis compliance was measured subjectively. The child's parents were asked to complete a survey using visual analog scales to assess their satisfaction of their child's head appearance, problems with donning/doffing the orthosis, and feedback received from other people. Outcomes: At the time of fitting, the posterior skull hemisphere volume was 389.4 cm 3 . The values of cephalic index and cranial vault asymmetry index (CVAI) were 81% and 5%, respectively. After 6 months of CRO treatment, the cephalic index and CVAI were 83% and 1.5%, respectively. Moreover, the posterior skull hemisphere volume was 589.2 cm 3 . Average compliance with CRO wear was 88%. According to the parental questionnaire results, pressure sores occurred 0% of the time, displacement occurred 15% of the time, contact dermatitis occurred 10% of the time, problems with donning/doffing of the orthosis occurred 27% of the time, difficulties in breastfeeding occurred 30% of the time, negative feedback from other people upset them 55% of the time, and they were 100% satisfied with treatment. Conclusions: After 6 months of using CRO, the CVAI and skull volume improved and reached their normal proportions. Our results may help ongoing research and clinical care regarding the role of postoperative CRO treatment in patients with complex synostosis.
The results demonstrated that the modified solid ankle-foot orthosis had the same effects as the conventional solid ankle-foot orthosis-shoe combination on the gait and balance performance of asymptomatic adults. Clinical relevance The findings of the present study can be used as the basis for further investigations on the efficacy of the modified solid ankle-foot orthoses in different neuromuscular populations in order to help people who do not wear shoes at home, as is the custom in some Asian cultures.
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