Abstract
IntroductionAn awareness of the anatomical parameters of the foot such as the position and orientation of the sesamoid bones can be of great value for the etiology and diagnostic approach to patients with hallux valgus (HV). The purpose of this study was to evaluate the basic anatomical features and measurements related to the characteristics of HV in cadaveric material.Materials and methodsThe study sample included 12 cadaveric limbs with HV and 10 cadaveric limbs without HV as a control group. We measured the HV angle (HVA), the first to second intermetatarsal angle (IMA), and the first to fifth IMAs of all samples. We also recorded the shape of the first metatarsal head and the position/orientation of the sesamoid bones.ResultsThe mean values of the HVA (p = 0.000), the first to second IMA (p = 0.000), and the first to fifth IMA (p = 0.000) differed between the HV and non-HV group. The position of the sesamoid ossicles between the HV and the non-HV group was statistically significant (p = 0.001). While we noted the round shape of the first metatarsal head was predominant in HV samples, we found no statistically significant difference in the first metatarsal head shape between the test and control groups.ConclusionThe HVA, the first to second IMA, the first to fifth IMA, and the orientation of the sesamoid ossicles differed significantly between cadaveric samples with HV and those without HV.
Highlights
An awareness of the anatomical parameters of the foot such as the position and orientation of the sesamoid bones can be of great value for the etiology and diagnostic approach to patients with hallux valgus (HV)
While we noted the round shape of the first metatarsal head was predominant in HV samples, we found no statistically significant difference in the first metatarsal head shape between the test and control groups
The mean value of the HV angle and first to second intermetatarsal angle (IMA) angle in all HV feet correspond to a mild HV deformity, which may explain the absence of extreme sesamoid positioning in the sixth and seventh positions
Summary
An awareness of the anatomical parameters of the foot such as the position and orientation of the sesamoid bones can be of great value for the etiology and diagnostic approach to patients with hallux valgus (HV). The purpose of this study was to evaluate the basic anatomical features and measurements related to the characteristics of HV in cadaveric material
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