The tailbone, or coccyx ... Bend the left leg closer into the body and rest the left ankle across the right knee. Loop the hands around the right thigh and gently pull it toward the chest.

The coccyx, also known as the tailbone, is the final portion of the human spinal column. The technical term for tailbone pain is coccydynia. The causes and symptoms of tailbone pain can vary ...

Atlas Obscura: An Explorer’s Guide to the World’s Hidden Wonders by Joshua Foer, Dylan Thuras, and Ella Morton Workman Publishing Company 2016, 480 pages, 7 x 10.5 x 2.1 inches (hardcover) ...

This much of your body is made up of human cells, while the rest is a mix ... evolution finds a good use for vestigial organs. The coccyx or tailbone, formerly used for balance, is now an anchor ...

According to the video's narrator, the dicephalic parapagus conjoined twins' body consists of two heads, two spines merging at the coccyx ... the adaptability of the human body and the resilience ...