The piriformis is a muscle in the gluteal region. It was named in the 16th century by Adriaan van den Spiegel, who missed out on a prime opportunity to name a muscle after himself. DearKidLoveMom.com

The piriformis is a muscle in the gluteal region. It was named in the 16th century by Adriaan van den Spiegel, who missed out on a prime opportunity to name a muscle after himself. DearKidLoveMom.com