First Metatarsal Head and Medial Eminence Widths with and Without Hallux Valgus

Lenz, Robin; Nagesh, Darshan; Park, Hannah K; Grady, John F.

doi:10.7547/15-038

Cited by 6 publications

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“…Lenz et al () investigated the relationship between the medial eminence width of the first metatarsal and the presence of hallux valgus using radiographs from 43 patients with hallux valgus and 27 patients without. They found that both the first metatarsal head and medial eminence widths were significantly greater in patients with hallux valgus on the AP view.…”

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confidence: 99%

“…In addition, metatarsals and phalanges move to a more parallel position in relation to the radiographic image with weight bearing resulting in an apparent lengthening on the radiographic image. Lenz et al (2016) investigated the relationship between the medial eminence width of the first metatarsal and the presence of hallux valgus using radiographs from 43 patients with hallux valgus and 27 patients without. They found that both the first metatarsal head and medial eminence widths were significantly greater in patients with hallux valgus on the AP view.…”

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confidence: 99%

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The Relationship Between Linear Osteological and Radiographic Measurements of the Human Calcaneus and Talus

Agoada

2017

The Anatomical Record

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Plain radiographs of the foot are a common form of examination in individuals when medical evaluation is indicated. Their availability makes them useful for studying human variation where large sample sizes are crucial. Calcaneal and talar morphology are critical in the understanding of human foot form and function, but few studies have examined the accuracy of linear measurements of these bones taken from radiographs. If linear measurements are to be used in quantitative analysis, their accuracy must first be demonstrated. For this study, 54 human feet from amputated limbs were imaged in standard radiographic views and skeletonized. Selected linear measurements were made on each skeletonized talus and calcaneus. Corresponding landmarks were identified on the radiographic images and the distances between these points determined. Using the measurements taken from the physical bone, the accuracy of the radiographic measurements was evaluated employing paired Student's t-tests and correlation analysis. Most measurements were not significantly different (P 0.05). Overall, the sagittal plane measurements were correlated (r 2 > 0.61-0.88, all P < 0.001) with the radiographic measurements; transverse plane measurements less so (r 2 5 0.20-0.63, P < 0.001). These results demonstrate that measurements from radiographic images provide useful information concerning both the calcaneus and talus, indicating that radiographs of living individuals can be evaluated quantitatively and compared to osteology collections of modern humans. This information can be applied to the understanding of functional anatomy of the modern human foot, interpreting the hominin fossil pedal record, and establishing identification in forensic analysis. Anat Rec,

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