View clinical trials related to Flatfoot.
Filter by:People with anatomical leg length discrepancy (LLD) commonly presented excessive subtalar pronation of the long leg compared to their short leg in order to equalize leg length. Although such compensation may decrease the stress in the pelvis and/or low back region, the pronated foot may lead to excessive stress loading onto the ankle or foot, resulting in musculoskeletal injuries. Clinically, the pronated foot has been effectively controlled using functional orthoses with proper posting by adjusting the subtalar joint in the neutral position. But for people with compensatory pronated foot resulted from anatomical LLD, to control excessive pronation of the long leg would exaggerate their asymmetry in leg length. Instead, the pronated foot can be controlled simply by adjusting the length of the short leg. However, there is limited evidence of such intervention in previous literature. The purpose of this research project is going to determine the effect of leg length adjustment on pronation control in people with anatomical LLD. According to this purpose, 5 study objectives will be developed: 1) to examine the validity and reliability of LLD measurement using a hand-held laser distance meter, 2) to compare the foot types before and after leg length adjustment, 3) to compare the kinetic variables before and after leg length adjustment during quiet stance, 4) to compare the kinetic variables before and after leg length adjustment during level walking, and 5) to compare symptoms and functional levels related to low back pain (LBP) before and after leg length adjustment. The present research project will be designed as a convenience sampling, prospective, quasi-experimental, and pretest/posttest design. There will be 2 parts in this research: 1) validity and reliability test of laser measure for leg length and 2) foot morphology and kinetic analysis before and after leg length adjustment. For the first part of this research, 10 male adults and 20 adults will be recruited for the validity and reliability tests respectively. Anthropometric measurements, including body height, body weight, foot length, foot width, and heel-ball distance, will be measured after a consent form is signed. Participants of the validity test will receive standing pelvic radiography and laser measure to measure their leg length. Each participant of the reliability test will receive 2 sessions of laser measure using a hand-held laser-distance meter. For the first session, all laser measurements will be employed twice by 2 raters with a rest interval of more than 5 min. One week later, another session of laser measure will be given again by one of these 2 raters. Intraclass correlation coefficient (ICC) will be used to test the interrater reliability, intrarater reliability, and validity of the laser measure method. Standard error of measurement (SEM), and small real difference (SRD) will be calculated to represented intrarater reliability also. For the second part of the research, another thirty adults with compensatory pronated foot resulted from LLD will be included in the research project but the sample size will be adjusted to the appropriate number according to power analysis. Each participant will be asked to fill out the visual analog scale (VAS) and the Oswestry Disability Index (ODI) and receive tests containing foot type examination, quiet stance with eye opening, quiet stance with eye closed, and level walking. All tests will be performed before and after leg length adjustment. The experiment will be completed after collecting 3 successful trials for each test. All procedures will be done one month later. ANOVA with repeated measures will be calculated to compare the differences in these variables among before, immediately after, and 1 month following leg length adjustment when the data fit the assumptions of normal distribution. Discrete variables or variables with non-normal distribution were tested using the Friedman test. All statistical analyses will be calculated using SAS 9.1.3. The significant level was set at α = 0.05 while the power was at 0.8. Five possible results may be expected from conducting this research project: 1) there will be good validity and reliability of the laser distance meter to measure LLD, 2) there will be significant differences in measurements of foot type before and after leg length adjustment, 3) there will be significant differences in kinetic data during quiet stance before and after leg length adjustment, 4) there will be significant differences in kinetic data during level walking before and after leg length adjustment, and 5) symptom and functional level related to LBP will improve after leg length adjustment. Completion of this research project will be projected to provide solid and objective evidences for leg length adjustment through views of morphology and kinetics in people with pronated foot due to anatomical LLD.
The purpose of this study is to compare the clinical and radiographic outcomes of a randomized, consecutive series of adult patients, with an acquired flatfoot, treated with a lateral column lengthening using an allograft bone wedge versus a titanium porous metal implant (Biofoam, Wright Medical). Null hypothesis: At six months postoperatively, there is no difference in the degree of correction as measured by the talonavicular coverage angle between patients randomized to allograft and Biofoam. Alternative hypothesis: At six months postoperatively, the degree of correction as measured by the talonavicular coverage angle will be less in patients randomized to allograft than the degree of correction in patients randomized to Biofoam.
This is a a study to identify inherited disease genes. The study will use molecular techniques to map genetic diseases using techniques such as Affymetrix SNP chips. The powerful combination of the information generated by the Human Genome Project and technical advances such as microarrays enables attempts to identify genes responsible for inherited disorders more possible than ever before. Starting with even modest pedigrees of only a few individuals, or even single individuals, it is possible to identify the gene(s) involved. It is proposed to collect up to 20 ml of peripheral blood and/or buccal cell samples from subjects and relevant family members. Currently the following disorders are approved for investigation. The current list of disorders: Aarskog-Scott syndrome, Café-au-Lait spots, Cerebral cavernous malformation, delXp, del2q, del10p, del11q, del12p, del13q, del14q, del16q, del17q, del18q, del Xp21, Choreoathetosis, Congenital Vertical Talus (CVT), Clubfoot, Tarsal coalition and other congenital limb deformities, Cystic Fibrosis (CF)-like disease, Desbuquois syndrome, Droopy Eyelid syndrome (Ptosis), Fanconi-Bickel syndrome (FBS), FENIB (familial encephalopathy with neuroserpin inclusion bodies), FG syndrome, Idiopathic generalised epilepsy (IGE), Renpenning syndrome, transient neonatal diabetes with 6q UPD, translocation (13;14), translocation (3;8), translocation (2;18), Uncharacterized familial dementia and X-linked mental retardation (XLMR).
Range of motion at ankle joint and subtalar joint will be assessed before and after utilization of ARM device. The changes in range of motion will be recorded and compared to literature.
In this study we are trying to determine the incidence of flat foot (also called pes planus) among patients who have had an ankle fracture. As compared to the general population, it is predicted that the incidence of pes planus will be higher among people who have fractured their ankle.