“…On the other hand, the positional relation between vascular and peripheral nervous structures has been investigated in morphological studies of the brachial region. A number of studies have examined variations in the pathways of the axillary artery (Singer, 1923;Adachi, 1928;De Garis and Swartley, 1928;Hukuyama, 1938;Miller, 1939;Mori, 1941;Huelke, 1959;Keen, 1961;Chiba, 1986;Satou and Takahashi, 1987;Bergman et al, 1988;Aizawa et al, 1996). Most of these examinations focused on categorization and statistical analysis.…”