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- Author or Editor: Maria Reina-Bueno x
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Background: This cross-sectional study aimed to determine whether normal, flat, or high-arched feet corresponded to better performance of certain motor tests in children.
Methods: One hundred eighty-seven children (mean ± SD age, 11.15 ± 1.24 years) were recruited and divided into three groups: 96 with normal feet, 54 with high-arched feet, and 37 with low-arched feet. Nine motor trials were selected to assess motor performance: standing long jump, standing triple jump from each foot, standing vertical jump, shuttle run 10 × 5 m, standing-start 20-m sprint, static balance, dynamic balance on a beam of an inverted gym bench, and agility circuit.
Results: There were no significant differences in the trial results between groups, although in eight of the nine trials participants in the high-arched group tended to perform better. Boys performed better than girls in all of the trials except those of balance.
Conclusions: These results suggest that children with a certain foot type did not achieve better motor performance in the nine trials tested.
Background
Excessive deviation of the distal phalanx in abduction frequently occurs in advanced stages of hallux rigidus but not in hallux valgus. Therefore, theoretically there should be no significant differences in the hallux interphalangeal angle (HIPA) between individuals with normal feet, those with hallux valgus, and those with mild hallux limitus. The objective of the present study was thus to determine if significant differences in HIPA exist in the early stages of hallux valgus or hallux limitus deformities.
Methods
The hallux interphalangeal angle was measured in three groups of participants: a control group with normal feet (45 participants), a hallux valgus group (49 participants), and a hallux limitus group (48 participants). Both of the pathologies were at an early stage. A dorsoplantar radiograph under weightbearing conditions was taken for each individual, and measurements (HIPA and hallux abductus angle [HAA]) were taken using AutoCAD (Autodesk Inc, San Rafael, California) software. Intergroup comparisons of HIPA, and correlations between HIPA, HAA, and hallux dorsiflexion were calculated.
Results
The comparisons revealed no significant differences in the values of HIPA between any of the groups (15.2 ± 5.9 degrees in the control group, 15.5 ± 3.9 degrees in the hallux valgus group, and 16.15 ± 4.3 in the hallux limitus group; P = 0.634). The Pearson correlation coefficients in particular showed no correlation between hallux dorsiflexion, HAA, and HIPA.
Conclusions
For the study participants, there were similar deviations of the distal phalanx of the hallux with respect to the proximal phalanx in normal feet and in feet with the early stages of the hallux limitus and hallux valgus deformities.
Background: The foot is the main element of artistic creation in flamenco dancing. At the professional level, the foot undergoes high musculoskeletal demands, predisposing the development of podiatric pathologic disorders in this group. The principal objective of this study was to determine the most common foot lesions in professional female flamenco dancers.
Methods: In a cross-sectional observational study of 44 female professional flamenco dancers, the participants completed a short questionnaire about their demographic features, number of hours danced per week, and years of professional activity. Any foot lesions presented by the participant were also recorded.
Results: Some type of pathologic foot condition was noted in 75% of the women, with a particularly high prevalence of hallux abducto valgus (61.4%), hypermobility of the first ray (43.2%), claw toe (40.9%), and varus fifth toe (37.5%) compared with the general population. No significant differences in the presence of pathologic disorders of the foot were found according to the time dedicated to dance or the years of professional activity.
Conclusions: Female flamenco dancers in this study had a high prevalence of podiatric medical problems: some kind of pathologic abnormality of the foot was present in 75% of the participants. Hallux abducto valgus, claw toe, and hypermobility of the first ray were the most common pathologic disorders observed.
Background:
This study compares different lower-limb length measurements using tests of lower-limb upright full-length radiography and anteroposterior radiography of load-bearing hips.
Methods:
Forty-seven consecutive individuals aged 17 to 61 years (mean ± SD, 31.47 ± 11.42 years) voluntarily took part in the study; 23 (48.9%) were women and 24 (51.1%) were men. All individuals presenting a difference of 5 mm or greater between both lower limbs quantified with a tape measure were included. All of the participants signed an informed consent form to take part in the study. Two anteroposterior load-bearing radiographs were taken: one of the hip and an upright full-length radiograph of the lower limbs. Lower-limb–length discrepancy was quantified by taking different reference points. Interobserver and intraobserver reliability was assessed for each radiographic measurement. Any correlation between the different measurements were also verified.
Results:
Interobserver and intraobserver reliability was high for all of the measurements because the intraclass correlation was greater than 0.75 in all of the cases. There was a strong and positive correlation between the different measurements because when performing bivariate correlations with the Pearson correlation coefficient, positive values close to 1 were found.
Conclusions:
In this study, the different reference points reported in the upright full-length radiograph in addition to the hip radiographs are useful for assessing lower-limb–length discrepancy. The results showed that there is a correct correlation between the different measurements.
