where is the sacral located on the body
Sacrum The sacrum (/ˈsækrəm/ or /ˈseɪkrəm/; plural: sacra or sacrums;[1]) in human anatomy is a large, triangular bone at the base of the spine, that forms by the fusing of sacral vertebrae S1–S5 between 18 and 30 years of age.[2]