The main structures forming the pelvic floor are the following:

• Levator ani muslces - the most prominent component consisting of three muscles (puborectalis, pubococcygeus, iliococcygeus);
• Coccygeus muscle - it is also called the ischiococcygeus muscle; posterior, smaller component of the pelvic floor;
• Connective tissue structures, including fasciae that cover the mentioned pelvic floor muscles.