An Additional Tool for Precise Location of the Chiasma Plantare: A Morphometric Study on Fresh Frozen Cadavers
Journal Title: INTERNATIONAL JOURNAL OF CURRENT RESEARCH IN MEDICAL SCIENCES - Year 2019, Vol 5, Issue 4
Abstract
In this study, the distances between the chiasma plantare and two bony landmarks (summit of the medial malleolus and tuberosity of the navicular bone) were measured. In addition, the angle between these structures was measured. Twenty fresh frozen feet were dissected. The chiasma was exposed. The adjacent neurovascular structures were retracted. The medial malleolus and tuberosity of the navicular bone were identified. The FHL and FDL tendons were dissected. This area was photographed, and measurements were taken using a digital caliber. The data were statistically analyzed, and the mean values and standard deviations were calculated. The chiasma plantare was found to be at 5.41 ± 0.22 (average 5.09 – 5.76) cm distal to the medial malleolus, and 2.47 ± 0.25 (average 2.13 – 2.81) cm below tuberosity of the navicular bone. The angle between them measured 23.04 ± 6.62 (average 18.66 – 38.65) degrees. It was concluded that measuring the angle between the medial malleolus, chiasma plantare, and tuberosity of the navicular bone may add beneficial information about the precise location of the chiasma.
Authors and Affiliations
Ahmed Farid Al-Neklawya , Gamal Taha Abdelhadyb , and Enas Haridy Ahmedc
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