It is cited at the anatomical literature that the Abductor digiti minimi muscle can be composed by one or more muscular beams (Williams et al., 1995; Murata et al., 2004), being more found presenting only one beam, as described by Testut (1911) and schematized in pictures by other authors (Grant, 1948; Testut & Latarjet, 1959; Gray, 1977; Lockhart et al., 1983; Woodburne, 1984). However, some a...